4l60e transmission cooler line fitting size. Dorman 800-619 Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF Compatible with Select Models. 4l60e transmission cooler line fitting size

 
Dorman 800-619 Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF Compatible with Select Models4l60e transmission cooler line fitting size  Part Number: SUM-230321 4

Use only Gearstar’s 6 A/N cooler line fittings. Universal transmission cooler lines range in price between around $10 to over $50 and transmission cooler line fittings ranging in price from under $10 to around $40 each. jalikaria24; Feb 10, 2020; Mechanical/Maintenance Forum; Replies 12 Views 2K. , it is very important to determine the send line and which line is the return line on a 4l60e transmission (inlet and outlet). These fittings are made from a high-quality steel with an O-ring seal for reliable performance. Part #: 388 Line: HDN. These have a straight thread and seal on the gasket. From the factory, 2 lines come out of the passenger side of the transmission and run to the front of the car. GT 350 said: First pull the plastic cover back . The size of the line needed depends on the specific vehicle and transmission type. The 48re has a torque rating of about 550-570 ft lbs, and Chrysler gives it a strength rating of 8. 9. Add To Cart. Top Rated Plus. Cooler Line Fittings. Upgraded line and fittings would need to be purchased separately. Transmission Fluid Temp Test (60* ambient):OEM Cooler: 150*. 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. FREE delivery Thu, Oct 19 on $35 of items shipped by Amazon. Stock bottom 350, Built by B-Body Performance. . Transmission Line Fitting Kit. Connect the transmission oil cooler lines to the auxiliary cooler. The Transmission Cooler line is made of high quality Stainless Steel. - 3/8" o. Aluminum Powerglide 350 350C 200 200-4R 700-R4 4L60E 4L65E 4L80E 1991The return line on a 4L60e transmission cooler is the outlet on the top line where hot fluid flows from the factory cooler. Use only Gearstar’s 6 A/N cooler line fittings. 28. In this video, I show you what I used for my Transmission lines on my 1980 K5 Blazer with LS Swap and 4L60e. Check On Amazon. R&R = Remove & Repair (or Rebuild) = Transmission must be removed to fix the problem and may have to be rebuilt or replaced. Another flow problem is in cold. Don't worry about the volume left in the cooler. 99. FITTING TYPE - 5/8"-18, 450 SIE. I ended up remaking the auto lines from front to back with new fittings. the trans usually has Adapter Fittings that go from Pipe Threads to Flair fitting,, or you can change the adapter to a hose fitting with a barb or. So if you replace your radiator with a spectra this fittings will fit on the Transmission cooler lines (passenger side). Monster. line fitting is 1/2″-20 inverted flare INS. $8. Quantity: Sold as a pair. I believe on both the 4L60E and 700R4 its a 1/4 NPT on the case (not any added compression fittings). Derale 15300 tube and fin cooler. AN to NPS. 4L60e transmission cooler fitting for fluid exchange. Package Width. Return this item for free. Dorman Automatic Transmission Oil Cooler Line Fitting 800-604. This transmission cooler offers a 30,000 pound GVW rating and is priced right around $70. Figure 3. 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 9/16-18 UNF. The 1947 - Present Chevrolet & GMC Truck Message Board Network > General Truck Forums > Engine & Drivetrain >. Part #: 918-5602 Line: DOR. 4 out of 5 stars 28 ratings. 11 N-m. COMPATIBILITY - MuHize 70 inch transmission cooler hose fits for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD, for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E. Bloomington, MN. TRANSMISSION PIT COOLER. The ideal size for these types of transmissions is 6 x 1/4NPS. 4L80 Trans Fittings Fit Stock Adapters. D. They fit any transmission port that is 1/4" NSPT and will convert to a -6AN male fitting. Both vehicles had a 4l60e and this transmission cooler was easy to install and worked great. We loosened and set aside the headlamp housings to allow for easier. I was thinking of running braided lines. Note. Estimated Ship Date: Today. 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. 6 out of 5 stars 142. Manufactured to GM OE specifications for fit, form and function. 34. Transmission Line Adapter Fittings, Billet Aluminum, Natural, 1/4 in. Transmission Line Adapters. 6AN 70" Transmission Fluid Oil Cooler Hose Line kit for GM Chevy Transmission 4L80E TH350 TH400 4L60E 700R4 200-4R TR6060 Ford AOD 4R100. 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. "C" Fits 5. 55 Max PSI: 750 Min bend radius: 2. 1st one looks correct for the 4L60E with a side mount cooler in the cross-flow radiator. You'll do this a total of 3 times. Whether replacing an existing transmission or on a brand new install always flush out the cooler and lines with at minimum some brake cleaning agent and compressed air. cooler line fitting; push-in type; fits front, 3/8" durable steel construction; by teckpak usa; photo shows actual cooler line fittingTECKPAK FITZALL FS-210 Ford Push-In Cooler Line Fittings 11/16" Threads, 2 O Rings inside. Dorman HD Solutions Transmission Oil Cooler - 918-5602. Powerglide - Dedenbear. . 4. 0LA4LDAEROSTAR96-97V6. 1/4 in. Sold as a pair and includes the spring clips to hold the cooler lined together. Fits Most Common Domestic Transmissions. 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?. 52 inch 6AN Stainless Steel Braided Lines Transmission Cooler Hose Fitting Fit for Chevy Ford Mopar GM GMC Buick Cadillac Cars and Trucks. It's usually withing 10* of the factory sensor in the pan. 1. Finally, Earl’s manufactures curved coolers that have a width of 11. Amazon. 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. Yukon XL Denali. Upper ⅛" Pipe Return/in. 6l diesel; yukon 2500 04-06 4 sp rwd/4x4 v8 6. Start. fuel pump fittings adapters. #5 · Apr 8, 2020. Estimated Ship Date: TomorrowCome out of the radiator cooler and around to the "input" line of the external transmission cooler. About this item 【Product Detail】-8 x 1/4 NPS is the correct thread size for most of the GM 4L60E transmissions. The process covers the parts, part numbers, cutt. The lines come complete with all required hardware and provide leak free, secure connections between your cooling system and transmission. 34. Ideal for converting stock transmission cooler lines to braided lines using aircraft / an fittings;. Make sure the cooler tube connec-tor fittings are tight in transmission case first, then con-nect cooler lines and tighten the tube compression nuts with a fitting wrench to avoid damaging the nuts. ,2pcs an6 to 3/8npt fitting,2pcs 6an to 1/4npt fitting,2pcs 6an to 1/4nps fitting,4pcs 6an female to 6an male 90degree fitting. 562-inches and a height from 3. 99. 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. You want the already warm fluid to flow into the external cooler to help better control fluid temperatures, so. DESCRIPTION: 6AN Transmission Cooler Lines 70 Inch, Stainless Steel Braided Hose Fitting Repair Kit for Turbo 350/400/200-200R4/700R4 4L60 4L60E 4L65E, for GM Chevy 1996-2021 4L80E, for Ford C4-C6-AOD . #2 · May 26, 2020. 05. 2 out of 5 stars 143 ratings. NPS x -6 AN. j cat. 50. Brand: RJSPHH. Adding to cart… The item has been added. Gasket Or Seal Included:. Long Tru-Cool Max transmission cooler P/N LPD47391. 4L60e transmission cooler fitting for fluid exchange. Powerglide - OEM. Learn more about the best transmission cooler upgrades for 4l80e transmissions. Although a small increase, this can improve flow by more than 30%. The 4L60e and 6L80 are both automatic transmissions made by General Motors. 25. #2 · Nov 21, 2011. Automatic Transmission Assembly Rear Wheel Drive; Transmission Code:. Quick Connect Cooler Line Fitting, 700R4/4L60E/4L80E $8. STEP 10: Install drive shaft (and torque arm if used). Your Cost $11. 7l 6. some of the newer Aluminum Radiators may be the same way. 3. Find many great new & used options and get the best deals for Ford Fuel & Auto Transmission Line Disconnector Separator OME Fitting Tool at the best online prices at eBay! Free shipping for many products!. 4l60e. Disconnect the factory transmission lines and plug the factory transmission line. Model: 120562. Fitting Size: 1/2″ NPT. Fitment - Automatic transmission to radiator lines hose kit fit for GM 4L60E 4L65E. Part #. While many GM trucks come factory with an external cooler, it is not big enough to provide the cooling needed. i was able to determine that the thread size is 1/2" x 20. Part Number: RNB-800-619. Fitting Size. 0 out. 8: Pick from Amazon: 2: JSDAN 4L60E 6 AN x 1/4NPS Transmission Cooler Adapter Fittings Front and Rear -AOD TH350 TH400 700R4 200-4R TR6060 4R100 4R70W C5 Aluminum 551114 (Pack Of 2) 9. Estimated Ship Date: Nov 22, 2023 (if ordered today) Drop Ship. Sponsored. 1995-1998 Chevy-GMC Truck Transmission Cooler Lines, 4WD, 4L60E, 3/8" Stainless Steel. Yes, the original 4L60E lines can be made to work with a transmission. I tried: -New o rings, x 4. 5. Especially if it was dirty. 4671 Views 9 Replies 6 Participants Last post by slravene , May 1, 2017. These preformed transmission lines replace the original transmission cooler lines and run from transmission to radiator following the factory routing. Automatic Transmission Accessory Parts. cgates said: Are the 4L60E transmission cooler lines the same as for the 700R. Other parts of the kit area 6-ft black rubber 3/8” transmission line, two fittings, two hose connections, six hose clamps and, of course, the cooler unit all designed for an easy installation. Part Number: RNB-800-606. T350, T400, 700R4 and most 4L60E, 4L85E Transmission Cooler Line Fittings . 00 Add to cart * 86C, Allison Mega Transmission Cooler $ 260. 4L60E Transmission Line Fitting Size Mar 16, 2020 / 9 Minutes Read / By Albert What size are transmission cooler line fittings? Are braided transmission. #1 · Apr 23, 2020. PLEASE READ THIS FIRSTApplications: 4L60E, 4T65E, and 4L80E. Previous Article. Tru-Cool - Max LPD47391 47391 Low Pressure Drop Transmission Oil Cooler. PRICE: 8. 0l . I'll have to dig around for the links here on the forum. Notes: Automatic Transmission Oil Cooler Hose Assembly. GM 4L60E Transmission Cooler Fittings. Add 3-4 quarts of new fluid in the trans dipstick tube to the full line on the dipstick and repeat. Best Sellers. Read More. JEGS Automatic Transmission Cooler Line Kit for GM TH350/TH400/700R4. 28 lb-ft. 3. It circulates the hot fluid away to the radiator via cooler lines and returns the cooled fluid back to the transmission. Start a package delivery business. 4L60E Cooler Line Pressure. LS1 4L60E Conversion to Standard Transmission Cooler Line Adapter Fittings. R&R = Remove & Repair (or Rebuild) = Transmission must be removed to fix the problem and may have to be rebuilt or replaced. I've disconnected and reconnected it to make sure that it was all the way in and that the clip and. Part # 900250. 4L60E cooler lines issue. Unlike GM’s factory six-speeds, which are ‘double overdrive’ with both fifth and sixth gears. Jan 23, 2018. Buy on Amazon: 8: Compatible. Automatic Transmission Cooler Line Kit Fit GM 4L80E 6AN Nylon Steel Braided Line. General Motors Transmission Info . This listing is for one fitting. – Factory fitting remains with recessed internal threads. Checked out rockauto. Used store-bought pre-made 5/16 nickel/copper brake lines (60") from a local auto parts store. 50+ bought in past month. Body Quick Connector; w/Bevel Washer At Cooler Fitting; 9/16 In. View Add to Wish List Add to Compare. So now I've ordered an 5/16" in-line manifold also from AUTOMETER #2287 that will mate up with the gauge. Package Height. Hayden 679 transmission cooler. Braided Cooler Line Kit with 90 Degree Hose Ends and 1/4" NSP Fittings for 4L80E Specifications Inside Diameter: . So fill the. Also install transmission. 6AN Male Flare to 1/4 NPSM Transmission Cooler Adapter Fitting Aluminum Black Fits TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5, Pack of 2. Installation Kit: Does the Tru Cool 40k include an installation kit? Yes, it includes universal installation kit with rubber transmission line, various fittings, clamps, and mounting hardwareBuy Wztepeng SS braided Transmission Cooler Hose Line Compatible with Chevy 700R4 4L60 4L60E 4L65E 4L80E Ford C4 C6 AOD Turbo 350 400 200-200R4:. Additionally, these bolts are suitable for a wide range of other General Motors transmissions. 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. 99End 1 Type: 9/16-18 UNFEnd 2 Type: Male Inverted FlareMaterial: Aluminum. 2nd one looks like a 4L80E with an auxiliary cooler and a down flow radiator. Report. JEGS 113600K. . Transmission Fitting . OK trans experts! I'm evauating a stock 4L60E's cooler line pressure to ensure the tranny has not been a cause of a repeated thrust bearing failure (before I tear the engine down again). Optimal transmission temp is about. 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. 520". As for hose diameter a 7/16" rubber transmission hose should work. Transmission cooler lines are generally available in sizes ranging from 3/8 inch to 5/8 inch. Aluminum Powerglide 350 350C 200 200-4R 700-R4 4L60E 4L65E 4L80E 1991 The size of the transmission lines of your 4L60e is ¼ NPT threaded on any case, and ¼ NPT to 6AN is for the compression fitting adapter lines. 52 inch 6AN Stainless Steel Braided Lines Transmission Cooler Hose Fitting Fit for Chevy Ford Mopar GM GMC Buick Cadillac Cars and Trucks Replace 700R4/ TH350/. 516", standard GM transmission case thread) These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission coolertor and shifter cable. The 4L60E transmission cooler line fittings are designed to fit the GM 4L60E transmissions. Exact fit for my LS swap 4L60E to 4L80E on my Chevy RSCB Truck BOWTIE4LIFE! Read more. FOUR SEASONS Cooler Inst. It will take about 30 seconds and will pump out 3-4 quarts of fluid. In 1992, GM began using an electronically. 700R4/4L60/4L60E/4L65E. 700-R4, 4L60, and 4L60E Automatic Case Mount Shifter Installation Instructions (Old Style Quad Arm) 700-R4, 4L60, and 4L60E. Automatic Transmission Cooler Lines, 5 Foot Length, Flexible, Braided Stainless Steel, Black, PTFE, 4L60, 700R4, TH350, TH400, Pair Part Number: SUM-230322-B 3. These quick disconnect cooler lines feature fluid fittings that exceed flow requirements while connecting and disconnecting with 100% accuracy. Sent from my HiDiNg PlAcE. Compatible with:-for for GM Chevy 1996 and Newer 4L80E-for 700R4 - 4L60 - 4L60E - 4L65E-for Turbo 350 (Some are 1/4" NPT)-for Turbo 400-for Turbo 200 - 200R4-for Power Glide (Some are 1/4" NPT) Service:-2 Year. This warning applies to stainless steels as well. 0L 5. The most-effective verification technique is to temporarily bypass the cooler circuit and re-test. #6 · Apr 20, 2013 (Edited) using a tubing cutter you can cut off the lines near the transmission where it is easy to work. Regarding factory coolers for trucks, GM SUVs, etc. Dorman transmission cooler lines feature premium materials to provide better and longer-lasting protection for transmissions. $16. Material: Steel/Rubber. If the transmission cooler is a custom fit why do I need to measure? The cooler itself is not the custom-fit part. Figure 2. 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. 10623 posts · Joined 2002. A) with an auxiliary cooler install after OE cooler return in. Compatible with: Up to 2007 both front & rear (top & bottom) GM trans case holes (For 1991-1995 4L80E, This kit uses Fragola Made in the USA lines and fittings! Included in the kit are: (2) Transmission Oil Port Fittings w/ #6 AN male ends (2) 6AN 90* Hose Ends (2) 6AN 90* Hose Ends; 20 foot Fragola Performance Black Braided Nylon Hose; DERALE Transmission Cooler 10x9x1. Fitting Size. DORMAN . Quality replacement - this transmission cooler connector matches the fit and function of the original equipment connector ;. Fill the transmission with liquid to the “full cold” line on the dipstick. On The Tree. I. #3. Fitting, Transmission Cooler Line Connector, Steel, 3/8 NPT Male Threads, Quick-connect, Cadillac, Chevy, GMC. A 9/16” wrench just rattles around on it. 4L60E Transmission Cooler Replacement. View 4l60e transmission cooler line diagrams that route to the radiator and to an external transmission cooler. Inlet Size in 3/8 (5) Number of Cooling Rows 1 (4) 2 (1) Outlet Attachment Hose barb (5). 90. I found a fitting at Autozone that states it is an inverted flare transmission cooler fitting, for those who want to add an aftermarket cooler to their existing system. 12538 posts · Joined 2008. Dorman 800-604 Transmission Line Fitting (3/8" x 1/4"-18) 2001-2008 GM Silverado/Sierra 2500HD/3500HD (See Applications) +$6. Fitting Location: Thread Size: Flow Direction: Upper: 1 / 8 ” Pipe. by Transmission Cooler Guide. 00 Add to cart; Information. Reactions: Jarryd99k1500burb. Mechanic tools & shop equipment. Feb 12, 2020. 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. Or fastest delivery Wed, Oct 18. 5" X-Pipe & Magnaflow Tri-Chambers, Mike Harris 4L60E, Circle-D 2,400 RPM TC, All MOOG FT End & Del-A-Lum bushed MOOG CTRL Arms,. slravene Discussion starter · Jun 30, 2015. All Dorman transmission oil cooler line designs are fit- and function-tested in a 12-step testing process, and must pass a grueling 120-hour salt spray test to prove corrosion. . 99 pr. Buy on Amazon: 6: 700R4 SS braided Transmission Cooler… 9. 0:52 . So I switched to stock lines for a 1999 Blazer. 25" Number of plates: 13; Fitting size: 3/8" inverted flare. I don't have a pic, I think it was by the governor. Most 4l60e transmission filters and kits (including pan gasket and filter seal) cost around $20 – $30. So, when looking at transmission lines, there are two main types of transmission line that can be used: coaxial and microstrip. The picutre is for the tow package version the non tow one just goes to rad and lines at that point. Likely less--35--80 psi. Compatible with: TH400, TH350, 700R4, 4L60E, & 200-4R transmissions (4L80E see other listing, compatible with 1 additional long fitting) Made in Wichita, Kansas from aerospace grade billet aluminum. Fitting Size:-10AN / 7/8″-14 o-ring female x -8AN male. 25; Transmission case fittings vary from pictures 43 posts · Joined 2013. The estimate for the lines was 150 (plus labor, fluid etc). What Size are 4L60E Transmission Cooler Lines? The 4L60E transmission cooler lines are typically 3/8 inch in diameter. The cooler has AN-10 male fittings on it. 95: In Stock. 8:. $7. Please Note: Not all Th350s used this size cooler line fitting; some were different size with a washer. Product Size- This stainless steel flexible braided transmission hoses, each 3/8" inner diameter hose is approximately 52" in length, and comes with an AN-6 inverted torch end; single-channel and dual-channel. D; Each 3/8" inner diameter hose is about 70" long with AN-6 inverted flare. Our products have been undergone durability test, sealing test, temperature test, and pressure tests before. Will fit years from 1982 - UP. 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. The image below shows the difference between the Tru Cool 40k and factory external cooler. Reviewed in the United States 🇺🇸 on May 30, 2017. B&M 70274 Specs. #1 · Sep 27, 2013. Based on the actual diagram, the cooler line flow is not too. Brand New. 11811 posts · Joined 2004. Quick Connect Cooler Line Fittings, 4L60E. pipe. The number of bolts that both contain is also different. The “extra wide” coolers from Earl’s have a width of 15¼ inches and heights range from 2 to 18½-inches. Generally, vehicles with larger engines or higher performance transmissions will require a larger line size for adequate cooling. They're manufactured from high-quality material that meets or exceeds. Currently I have the NPS to -6 straight AN adapters with -6 90 degree fittings on the lines. 1970-74 Firebird; Cooler Lines; TH350 & TH400 Auto Trans; 1/2" Nut. Part #: 918-5602. 7262 posts · Joined 2010. 99. 2. This transmission cooler comes as a complete kit. It has an external cooler, as well as, the route through the radiator. Complete the job with these highly suggested add-on products. Not Yet Reviewed. Recent Posts $400,000 for a Dodge Demon 170? Lucid Air Sapphire sets new world record running 8’s in the 1/4 Mile. Service Bulletin – Product Page 2 of 3 RT - 715/915 21525 4308759 Field Strategy: Below are three options for connecting pipe thread cooler fittings to a transmission main case with straight thread cooler ports. Part of the conversion is to remove the factory heat exchanger that bolts to the side of the tranny and uses floating inserts sealed with O rings. 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. Fitment - Transmission cooler hose fitting fit for Chevy Ford Mopar GM GMC Buick Cadillac Cars and Trucks. Apr 28, 2019. I plan to install it just behind the fitting before entering radiator. GM COOLER LINE FITTING, 4T60E, 4L60E, 4L80E(Front) Item #: 31284 $6. A loss of fluid leading to an overheated transmission can be devastating as the system loses its ability to cool. Feb 11, 2020. Sent from my HiDiNg PlAcE. Classic $57. Size: Torque: Accumulator Corver to Case Bolt: 2: M6. The threaded portion looks to be about 1/2” in diameter, but a 1/2” wrench will not fit over the threads. Here's some thing to consider. $182. 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. 4L60E Transmission Cooler Replacement. 37 $ 12. 4L60E (1) 4L65E (1) 4L85E (1) 4R70W (1) 4R75E (1) Show All. GM Genuine Parts 25874797 Automatic Transmission Fluid Cooler Line Fitting Seal . See More Ways to Make Money. 59. " The bottom line is the "feed line" which runs out of the transmission into the factory in-tank cooler inside the. Set includes: 1 Inlet Line 5/16" (in 2 easy to install sections), 1.