cgates said: Are the 4L60E transmission cooler lines the same as for the 700R. 6AN 70" Transmission Cooler Hose Kit Lines Fitting Kit for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E,Stainless Steel Braided Lines. These plate and fin, and stacked plate B&M. 45 Add to Cart: GM COOLER LINE FITTING,. TRANSMISSION PIT COOLER. 0 out of 5 stars. Weight/Size. The lines come complete with all required hardware and provide leak free, secure connections between your cooling system and transmission. These lines come with all the necessary fittings to run your lines from the cooler to the transmission. FOUR SEASONS Cooler Inst. #1 · Apr 23, 2020. I'm installing an aftermarket cooler this weekend along with the usual stainless braided lines & AN fittings, and a transmission temperature gauge. They stick out too far. Not Yet Reviewed. It's usually 3/8" OD. GM 700R4 4L60E Transmission Transfer Case Adapter Gasket 5 Bolt & 6 Bolt Pack. Find Transmission Line Adapter Fittings Aluminum Fitting Material and get Free Shipping on Orders Over $109 at Summit Racing!. 1 Year Limited Warranty. Derale 15300 tube and fin cooler. 2%. LSX Innovation Billet aluminum 6AN transmission cooler adapter fittings. ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum. Compressor Works Power Steering Cooler Line 900250. 4L60E transmission. Automatic Transmission Assembly Rear Wheel Drive; Transmission Code:. Dorman 800-619 Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF Compatible with Select Models. Our products have been undergone durability test, sealing test, temperature test, and pressure tests before. Transmission Fitting . It features an aluminum construction and a heavy-duty, efficient turbulator tube design, which helps to quickly dissipate heat in the most extreme conditions. DURABILITY - This transmission cooling line kit is made of high-strength PTFE(Teflon), which is resistant to high & low temperatures and is anti-corrosion. Safari. Opens in a new window or tab. 50+ bought in past month. You could also use a 3/8" rubber hose for a tighter fit if necessary. Dorman OE Solutions Oil Cooler Line - 625-121. Between the size of the cooler and the need for aftermarket fittings, this cooler can get the job done in street applications, but has the ability to have a large cooling fan mounted to it easily. 90. 2 out of 5 stars 143 ratings. 1/4 in. Designed to install onto all 1/2” Diameter transmission lines. Choose from a huge variety of fitting sizes and attachment styles. When I was piecing together parts for my -6AN transmission cooler lines I was doing it for a 4L80E swap using the OEM radiator cooler and a Tru-Cool M7B which used 1/2" NPT fittings, so I'm really no help with the Imperial cooler you have or the factory AUX cooler. Helpful. Rating Required. 4L60E cooler lines issue. When mounting the cooler with the fittings on the right or left side, the lower fitting must be the inlet with the top fitting routing the fluid back to the transmission. 70" 6AN SS Braided Transmission Cooler Hose Lines,for 700R4 4L60 4L60E 4L65E 4L80E,Compatible with Ford C6/AOD & GM Chevy 1996-2021. 3. clients. PART# 624-100A and 624-101A ($15 each) They snap in, and hug the trans and the LS block. system is the #1 cause of transmission failure after a replacement. Sponsored. Learn more about the best transmission cooler upgrades for 4l80e transmissions. Features: The Transmission Adapter Fitting Designed for the Front and rear transmission line ports. Fitting Material: Steel . The cooler has AN-10 male fittings on it. If installing an additional transmission cooler onto a vehicle, the lines should be set up so the fluid flows from the converter to the add-on transmission cooler in front of the. 0L 5. SecosAutoparts SS Braided Transmission Cooler Hose Line. What you need to know about GM Chevy transmission cooler line removal. line fitting is 1/2″-20 inverted flare INS. Upgraded line and fittings would need to be purchased separately. What size are transmission cooler lines? Transmission Radiator end of fitting has 1/4″ MPT. Some General Motors transmissions require 6 x 1/4 NPS bolts to attach the transmission pan. The cooler lines themselves are 5/16” with flare fittings. 1/2” Compression Fittings - Designed to install onto all 5/16” Diameter transmission lines. Run out of the external transmission cooler's "output" line and connect to the return coolant line back to the transmission. So fill the. Fitting Location Thread Size Flow Direction. Dorman transmission cooler lines feature premium materials to provide better and longer-lasting protection for transmissions. GM Transmission Line, 1/4" NPSM to -6AN Hose Adapter Set Used to replace factory quick disconnect cooler hard lines with AN style hose and fittings. #1 · Feb 13, 2014. Rated 5 out of 5 by Ls3 525hp from Fit 4l60e perfectly Fit my 4l60e transmission perfectly to adapt to 6an lines. Here's the list of GM transmissions and their in/out line sizes and flow direction. Get Results;. Monster. 99. Also fits Transmissions w/ 1/4 in. PLEASE READ THIS FIRST. Transmission Cooler Line Adapter,Designed with 6AN to 1/4in NPSM thread pitch, used for AN type hoses and quick disconnect cooler hard pipes, professional size butt, strong adaptability, after installation, the performance can be as good as the original accessories. 88 $ 45. 4IN. - new clips x 2. Its solid plate construction provides superior durability and performance. Male Threads, Female Inverted Flare, AMC, Chevy, Ford, GMC, Each Part Number: FSS-53020 4. 9. Part Number: SUM-230322-B. These fittings are 1/4-inch pipe thread, and CAN include an adapter. MuHize Transmission Cooling Hose - Upgraded 70 Inch SS Braided Transmission Cooler Line, Heavy Duty Transmission Cooler Hose Fitting 6AN Compatible with GM. SKU : 551124 4L80E Transmission Adapter Fitting Front & Rear Port -6AN Flare 6 AN 4l80e Bare. MuHize Transmission Cooling Hose - Upgraded 70 Inch SS Braided Transmission Cooler Line, Heavy Duty Transmission Cooler Hose Fitting 6AN Compatible with GM Chevy Ford Turbo 700R4 4L60E 4L65E 4L80E 4. 6AN Transmission Cooler Lines 70 Inch, Nylon and Stainless Steel Braided Hose Fitting Repair Kit for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E, for Ford C4-C6-AOD, for GM Chevy 1996-2021 4L80E. $52. 4. Notes: Automatic Transmission Oil Cooler Hose Assembly. 25". A. This is just a stock 2001 Vortec V6 setup in my Blazer. Russell Transmission Cooler Line Fittings 640520. Monster Transmission provides transmission parts for all transmission year, make, and models. 5" This kit includes: (2) straight hose ends and (2) 90 Degree hose ends, (2) 10 ft black braided hose, (2) 1/4" NSP fittings for 4L80E; one for theI have NO idea what "a steel 5000 psi fitting" is. i went to the junk yard and clipped them from a truck with the same size lines (by eyeball) and brought them to pepboys to get adapters since i'm going from that size at the radiator, to the "quick connect" fitting size on my new 4l60e cooler hoses. Fitting Attachment 2: Male threads . "Transmission fluid cooler lines: on the 700R4 the bottom fitting on the right side of the transmission is the "out" line to the cooler and the top fitting is for the return line from the cooler. About this item 【Product Detail】-8 x 1/4 NPS is the correct thread size for most of the GM 4L60E transmissions. Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF. 28. Some of the most popular models of transmission coolers among LS owners include the B&M 70264 (stacked plate, around $60), the Hayden OC-1404 (around $50), the B&M 24k, and the Flex-a-Lite 18k (around $50), but there are countless other good ones out there. 1l; yukon 2500 07 4 sp rwd 4x4 v8 6. The sender is the same size as the plug so that was easy. These fittings are made from a high-quality steel with an O-ring seal for reliable performance. 95: In Stock. Location. This fitting consists of 1/2 inch-20 inverted flare with recessed internal threads. pajeff02. About this item . & 3/8'' I. Transmission Location: 30‐40LE Rear: 404, 413, 470 Top: 41TE, 41AE, (604) Front:. Part Number. The ideal size for these types of transmissions is 6 x 1/4NPS. Most commonly, these fittings are 1/2"-20 inverted flare with recessed internal threads. This specification has been proven to work best when used in conjunction with many other GM transmissions and provides. 00 Add to cart * 86C, Allison Mega Transmission Cooler $ 260. 95. - new clips x 2. Using 1/4” tapered pipe thread fittings could crack your transmission case and will void the warranty. He does not have the factory in/out tranny lines (to the cooler) and wants to rig something up. hosebarb threads onto transmission line fitting. Brass) Case Fitting 5L40: Bottom 6L45, 6L50, 6L80, 6L90 Bottom:. #1 · May 16, 2005. Transmission Cooler Adaptor -6AN Male to ¼-18 NPS See More Specifications | Check the FitTCI Transmission Cooler Line Fittings 831012. AN to NPS. I had to have mine replaced last year. Fitting, Transmission Cooler Line Connector, Steel, 3/8 NPT Male Threads, Quick-connect, Cadillac, Chevy, GMC. The purpose of this article is to examine some of the best transmission coolers for 4l60e available and explain why they are so effective. 3. This fitting consists of 1/2 inch-20 inverted flare with recessed internal threads. 8 out of 5 stars 52. Part #: 388 I honestly have no idea. When replacing a GM 4l60E, its important to verify that you the correct cooler fitting style. Videos for related products. This will allow hose to be connected to the transmission cooler line without having to flare factory line. It's usually 3/8" OD. View Profile View Forum Posts View Blog Entries Veteran Join Date Feb 2009 Location Mansfield, PA. 【Package Includes】-2 Short Transmission Cooler Fittings Sent from my GT-I9100 using Tapatalk. Kit comes with 2 adapter fittings and 2 seals Threads into transmission case and provides a -6AN male thread to attach your transmission cooler lines. The fitting is a 3/8" inch brass trans cooler line fitting. You'll do this a total of 3 times. 56" thread outside dimension, see other listings for smaller thread 6AN to 9/16-18 Package Includes: 1 fitting (bare aluminum finish), 1 oring. Earl's Performance Transmission Cooler Line Adapters 961983ERL Transmission Adapter Fitting Rear Port, 2009-up 4L70E, 4L80E,. 99End 2 Type: Hose BarbEnd 1 Type: 3/8 InchMaterial: Brass. I'm more unsure of the transmission side, hoping it's the same for both the inlet and outlet. 6AN 70" Transmission Cooler Hose Kit Lines Fitting Kit for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E,Stainless Steel Braided Lines. Flared line case fitting #M462C. - 3/8" o. Gearstar’s 6 A/N cooler fittings are straight 1/4” pipe threads. Part Number: SUM-230321-B. D. 【Measure】-These fittings measure 0. #1 · Feb 18, 2013 (Edited) Hi all, took the 2007 Impala in for tire rotation and alignment check and they found the transmission cooler lines were leaking, not too badly though. Some transmission above-listed & coolers may have different size fittings than our kit includes; 2. Sponsored. Use only Gearstar’s 6 A/N cooler line fittings. van full size 3500 06-08 4 sp rwd v8 6. Installation Kit: Yes – Includes universal installation kit with rubber transmission line, various fittings, clamps,. This 4l60e transmission cooler lines diagram. 4L60E Transmission Cooler Replacement. 11. 4L80 Trans Fittings Fit Stock Adapters. This cooler is rated at 40,000 GVW and measures 8. 4WD transmissions have shorter tailshafts which cannot be swapped without disassembly of theIn this video, I show you guys how to fix a common problem on many old Chevy trucks that your mechanic can charge you a fortune to fix. Individual Engine Size Numbers; Rear Panel and. End 2 Fitting Type: Female Threaded. Russell Transmission Cooler Line Fittings. Cooler Dimensions: 11″ x 11″ x 1 1/2″ Cooler Type: Stacked Plate. Dorman Automatic Transmission Oil Cooler Line Fitting 800-713 $ 6. These are your transmission fluid/oil/coolant lines. 4L60E. Figure 3. This warning applies to stainless steels as well. 1967 - 1969 Camaro Transmission Cooler Lines, Overdrive Transmission. Our replacement lines are engineered from factory original lines and CNC manufactured for precision. Register or Log In To remove these advertisements. The ’64 Chevelle/El Caminos position the. The 4L60E transmission cooler line fittings are designed to fit the GM 4L60E transmissions. Brand New. GT 350 said: First pull the plastic cover back . $54. GM Genuine Parts 25874797 Automatic Transmission Fluid Cooler Line Fitting Seal . Includes 2 fittings, one for the front cooler line and one for the rear cooler line fitting. Dorman Automatic Transmission Oil Cooler Line Fitting 800-604 $ 7. 4. Don't use npt. In a truck it goes from line 4 to rad then to external cooler then returns to trans via line 5. Transmission Line Adapter Fittings, Transmission Cooler Line Adapters, Steel, Nickel Plated, 9/16-18 in. fuel pump fittings adapters. 50. Brand New. j cat. - removed and re installed the fitting after cleaning it by scotch-briting the inner flange. Package Depth. I have just developed a leak on the upper outlet fitting for the tranny cooler lines on my 4l60e. Fitting Size 2: 1/4 in. Transmission coolers range in price between $30 and $1,000, depending on size, attached cooling fan, and other options. Do these transmissions take the fitting with the extension and one regular fitting, or 2. I. 4l60e Transmission Coolers Chevrolet Trailblazer Transmission Cooler Lines. Part #: 918-5602 Line: DOR. Fitting, Transmission Cooler Line Connector, Steel, 3/8 NPT Male Threads, Quick-connect, Cadillac, Chevy, GMC. Models with Auxiliary Transmission Cooler : 32-7004 . $7. Make sure this fits by entering your model number. Fitting Size: 1/2″ NPT. Coaxial line (seen in Figure 3. A tube style transmission cooler. 5 in: SDS Required: No:. You see how the spools can stage mid-circuit, which further restricts converter and cooler flow. Female hosebarb threads onto radiator Jeep & Dodge Kit 3928. I am teed into the top cooler line near the radiator. The image below shows the difference between the Tru Cool 40k and factory external cooler. y_2023, m_11, d_19, h_8;. These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission cooler. Not Yet Reviewed. I'm finding most aux coolers are 3/8 tube , most with push on hose ends . This tells you through which the upper radiator port and the external transmission cooler are connected. Body Quick Connector; w/Bevel Washer At Cooler Fitting; 9/16 In. I've used a lot in my time and they all look the same to me. 1 out of 5 stars 41 ratings Cooler Line-Transmission-Stainless Steel-2 Piece Diesel : 4 Wheel Drive 3/4 Ton 88-94: 1: $79. The 4L60E transmission cooler line fittings are designed to fit the GM 4L60E transmissions. " The bottom line is the "feed line" which runs out of the transmission into the factory in-tank cooler inside the. Best Sellers. So now I've ordered an 5/16" in-line manifold also from AUTOMETER #2287 that will mate up with the gauge. JEGS 113601K Part Number: 555-113601K. Sponsored. B. jalikaria24; Feb 10, 2020; Mechanical/Maintenance Forum; Replies 12 Views 2K. 🔧【Package Include】The Transmission Cooler Line. Type of Transmission Cooler: Plate & Fin. Order. Estimated Ship Date: Today. Dorman 800-604 Transmission Line Fitting (3/8" x 1/4"-18) 2001-2008 GM Silverado/Sierra 2500HD/3500HD (See Applications) +$6. 0l; yukon 2500 04-06 4 sp rwd/4x4 v8 8. Long Tru-Cool Max transmission cooler P/N LPD47391. Fittings, Transmission Cooler Line Adapter Type,. Read More. Sent from my HiDiNg PlAcE. 70. The 48re has a torque rating of about 550-570 ft lbs, and Chrysler gives it a strength rating of 8. com: 70" 6AN SS Braided Transmission Cooler Hose Lines,for 700R4 4L60 4L60E 4L65E 4L80E,Compatible with Ford C6/AOD & GM Chevy 1996-2021 : Everything Else. The oem lines are 1/2" od. Transmission Cooler Installation Kit. Automatic Transmission Accessory Parts. Generally, vehicles with larger engines or higher performance transmissions will require a larger line size for adequate cooling. Transmission oil cooler line connector 3/8" body quick connector. Automatic Transmission Cooler Line Kit. Using ¼” tapered pipe threads fittings could crack transmission case and will void warranty. 5. Find Transmission Line Adapter Fittings 4L60E Transmission Model and get Free Shipping on Orders Over $109 at Summit Racing!4L65E / 700R4 / 4L60 / 4L60E Cooler Line Fitting, 5/16" x 1/4" (82-Up) A Brand 4L65E, 700-R4, 4L60, 4L60E cooler line filling. Re: Splicing trans cooler lines, compression fittings? 01-16-05 01:01 PM - Post# 601706 In response to Bill55AZ I would have no problem using a compression fitting on a trans cooler line. Hayden 679 transmission cooler. I was using the factory type fitting and line that use the little e-clip to hold. 67 out of 5 stars ( 3 )Amazon. RJSPHH . Shipping Weight: 0. ( 30 ) Estimated Ship Date: Today. Russell Transmission fittings are designed to replace OEM adapters in TH350, TH400, 700R4, 4L80 and additional applications that. Automatic Transmission Cooler Line, Chevy, GMC, 5. NA: 10. Part Number: RNB-800-619. If so, the seal will be tapered to fit the fitting and will be harder so it won't extrude into the tube. Product Size - Each 3/8" inner diameter hose is about 70" long with AN-6. Is there a thermostat in-line somewhere in the trans for the cooler lines, or does it rely on the stock cooler ebing part of the radiator to help bring the trans up to temp as well?. A loss of fluid leading to an overheated transmission can be devastating as the system loses its ability to cool. Perfect fit for TH700-R4, TH200-4R & 4L60E transmissions. Size 1 Count (Pack of 1) Item Package Quantity 1 : Included Components Dorman 800-605: Transmission Line Connector With 3/8 Tube X 5/8-18 In. Part #: TR705 Line: AGS 2410006. Transmission Cooler Guide participates in the Amazon Associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. GVW: 29,200 (BTU) Fitting Size: 1/2″ NPT6AN 70" Transmission Cooler Hose Kit Lines Fitting Kit for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E,Stainless Steel Braided Lines. GM used multiple types of cooler fittings. The bottom pressure port on the tranny should be hooked to the top port on your radiator. Transmission Line Connector - Tube Size 1/2 - Thread. $11. 4L65E / 700R4 / 4L60 / 4L60E Cooler Line Fitting, 5/16″ x 1/4″ (82-Up). What size are the transmission cooler lines on a 4L60E?-6 x 1/4NPS is the correct size for GM turbo 350, Turbo 400, 700R4, 4L60E and. Since you need to make a bend on the lines before they pass on to the radiator I was wondering whether there was something I could. 10. 12538 posts · Joined 2008. Modification of case cooler fittings in a 4L60E transmissionView Turbo 350 (TH350) transmission cooler line diagrams and cooler flow path that route to the radiator and to an external transmission cooler. It will make the job a lot easier, but if you don't have one, you can use a small flat head screw. 700-R4, 4L60, and 4L60E Automatic Case Mount Shifter Installation Instructions (Old Style Quad Arm) 700-R4, 4L60, and 4L60E. DORMAN . Advice and. I picked this one up at O'Rielly's. 0. Cooler installation kit. Estimated Ship Date: Nov 22, 2023 (if ordered today) Drop Ship. $48. 3. Add To Cart. Fitting Size. This cooler is hands down the best 4l60e transmission cooler upgrade due because if its large design, great price point, and cooling capabilities for full size trucks. Package Width. 0 or 6. 2393 posts · Joined 2000. com: Transmission Cooler Hose Line Fits for GM Chevy 1996 and Newer 4L80E Transmission Stainless Steel Braided Lines Fits for Ford C4. The fittings do not appear that they will inhibit flow, the groove is cut into both the bolt and banjo and deep enough for the oil to move without restriction. Fittings. Powerglide - OEM. Part #. MuHize Transmission Cooling Hose - Upgraded 70 Inch SS Braided Transmission Cooler Line, Heavy Duty Transmission Cooler Hose Fitting 6AN Compatible with GM Chevy Ford Turbo 700R4 4L60E 4L65E 4L80E 4. Sold as a pair and includes the spring clips to hold the cooler lined together. Tweet. I'll keep everyone updated w/pics as my install progress continues. Common failures on 4L60E, symptom < cause > any possible repair: 1. 2 out of 5 stars 141 【Product Detail】-8 x 1/4 NPS is the correct thread size for most of the GM 4L60E transmissions. 1 - 24 of 252 results for Oil Cooler Line Compare Refine. Change the filter, re-install the pan, fill with fluid. #1 · Aug 29, 2018. Transmission Line Connector Thread Size: 5/8 Thread: Fitting Angle: Straight: End 1 Fitting Attachment Type:. Email Required. Free shipping on $109 orders. Fittings, Transmission Cooler Lines to Case, -6 AN to 1/4 in. The transmission cooling line system is vital to any automatic transmission. 5/16" Line x 1/4" pipe. JEGS 113600K. I don't have a pic, I think it was by the governor. Needed a tubing cutter to cleanly cut existing steel transmission cooler lines for attaching rubber hoses to have sweeping curves. Gross Vehicle Weight (GVW): 40,000 pounds. #5 · Apr 8, 2020. This type of fitting is designed to create a secure connection between two components while still allowing for easy removal and re-use, if necessary. The size of the line needed depends on the specific vehicle and transmission type. It took me about 3 hours as well, but I did not have the special transmission line tool. R&R = Remove & Repair (or Rebuild) = Transmission must be removed to fix the problem and may have to be rebuilt or replaced. Rich. What Size are 4L60E Transmission Cooler Lines? The 4L60E transmission cooler lines are typically 3/8 inch in diameter. This job isn't the e. Show More Show Less Compare. 4L60E Transmission Line Fitting Size Mar 16, 2020 / 9 Minutes Read / By Albert What size are transmission cooler line fittings? Are braided transmission. Dorman 800-614 Transmission Line Connector - Tube Size 3/8 - Thread 9/16-18UNF Compatible. Top Rated Plus. Part Number: SUM-230321 4. Review Subject Required. Refer to Transmission Fluid Cooler Hose/Pipe Replacement ( See: Fluid Line/HoseService and Repair) . Rich. Part Number: ADO-24236554. I tried: -New o rings, x 4. 37. With bevel washer at cooler fitting. Pair of Transmission fittings 1/8 in. 70" 6AN SS Braided Transmission Cooler Hose Lines,for 700R4 4L60 4L60E 4L65E 4L80E,Compatible with Ford C6/AOD & GM Chevy 1996-2021. GVW: 29,200 (BTU) Fitting Size: 1/2″ NPT GSTP Transmission Adapter Fitting 6AN Flare to 1/4" NPSM for TH350 TH400 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Transmission . Download a free 186 page 4l60e rebuild manual pdf and procedures guide. 7L. I understand that unscrewing the fitting would necessitate putting thread sealant on the threads before reinstalling it. Quick view Add to Cart The item has been added. Usually, when installing a transmission cooler, you will require an internal diameter of 11/32 inch. 0l . GM 4L80E Transmission Line Adapter Kit Designed for the Front (short fitting) and rear (long fitting) transmission line ports, -6AN to 1/4"NPSM (thread O. The Derale Series 8000 Plate-Fin Transmission Cooler is the best transmission cooler for a 4L60E. 4L60e transmission cooler fitting for fluid exchange. Buy Transmission Cooler Line Quick Connector - NOE 7305033 online from NAPA Auto Parts Stores. 2 out of 5 stars 140 Just finished (a few minutes ago) running new coolant lines from my 700R4 up to the trans cooler. Line Going to the Transmission Case: I believe on both the 4L60E and 700R4 its a 1/4 NPT on the case (not any added compression fittings). Reply Quote. The process covers the parts, part numbers, cutt. Shop Transmission Line Adapter Fittings at Summit Racing. Fits GM 4L60E 4L65E Transmission Cooler Lines Fitting Set 6AN Fiber & SS Braided. 7L, 4L60E, Each. An o-ring could just as easily squish into the tube when you tighten the nut and then you would have a loose o-ring, or parts of one, headed for the transmission. Transmission cooler lines are generally available in sizes ranging from 3/8 inch to 5/8 inch. It appears that my 2003 Tahoe Z71's 4L60E Transmission needs more cooling than the current setup provides. Please check as much as possible to make sure the size is the exact one that you need. Another Wrangler direct fit transmission cooler option for the JK owners is the B&M 70291. Find Parts and Accessories 4l60e cooler line fittings KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing!2. 4L60E Destroyer. Toggle menu (844) 298-6404. 05. View Add to Wish List Add to Compare. $5. Dorman 800-619 Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF. This kit uses Fragola Made in the USA lines and fittings! GM TH350, TH400, 700R4, 4L60E DERALE Trans Cooler Kit w/Fan & Fragola Lines/Fittings This kit allows you to grab everything you need to plumb up a very efficient transmission. 10 times better than a piece of hose. Thread73 posts · Joined 2005. #1. 1 Transmission Line Connector: Manufacturer: Dorman: End 1 Fitting Size: 0. Oversize $9. Cooler Line Fittings. More than 10 available. . I've got one pesky leak where the line from the transmission cooler connects to the lower right side of the radiator. 4l60e binding reverse. Here's some thing to consider. Regarding factory coolers for trucks, GM SUVs, etc. This 4l60e transmission cooler lines diagram provides an easy to follow example of how your 4l60e’s cooling path works. Designed for 1999-2007 GM Trucks (Silverado/Sierra/SUV), this kit allows bolt-on installation of the Tru-Cool 40K Transmission Cooler (LPD47391).