PLEASE READ THIS FIRST. 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. Last one Free shipping. 0l; yukon 2500 04-06 4 sp rwd/4x4 v8 8. Opens in a new window or tab. $18. The rear cooler line is a special fitting and must be used. SKU : AN710-06A Up to 2007 Transmission Adapter Fitting -6AN 6 AN TH400 TH350 4l60e Ford AOD C5. Package quantity: 1. Drain your fluid, remove the pan, drill the hole to 1/2" install the drain plug kit but instead of using the plug that came with the kit, install the prob for your temp gauge. Top Rated Plus. 4l60e. Shop Transmission Line Adapter Fittings at Summit Racing. Amazon. 06: Alternate: Quantity: Add to Cart. View Profile View Forum Posts View Blog Entries Veteran Join Date Feb 2009 Location Mansfield, PA. Part Number: SUM-230321-B. I'm installing an aftermarket cooler this weekend along with the usual stainless braided lines & AN fittings, and a transmission temperature gauge. . We found the cooler made a significant difference in terms of cooling and preventing heat soak. 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 . 700-R4, 4L60, and 4L60E Automatic Case Mount Shifter Installation Instructions (Old Style Quad Arm) 700-R4, 4L60, and 4L60E. Quick Connect Cooler Line Fittings, 4L60E. If you are looking for a lower cost alternative, the Hayden 679 is another great option. Super Moderator. Amazon. Dorman Automatic Transmission Oil Cooler Line Fitting 800-604. TRANSMISSION PIT COOLER. Size: Torque: Accumulator Corver to Case Bolt: 2: M6. Sent from my HiDiNg PlAcE. #1 · Apr 23, 2020. If using your existing transmission lines, flush thoroughly with brake cleaner before installing new cooler. I just know that I'd read 5/8"-18 inverted flare was the factory size for those radiator trans cooler line fittings, so that's what size -6AN adapters I bought for my 4L80E swap. Amazon. This is intended for aftermarket transmission coolers with -6AN Fittings. Also install transmission. I tried: -New o rings, x 4. Transmission Line Connector Thread Size: 5/8 Thread: Fitting Angle: Straight: End 1 Fitting Attachment Type:. Please check hose & fitting sizes prior to ordering since some. Banjo Transmission Fittings 1/4" straight pipe thread. Manual Transmission - Tr6060 oil cooler lines - Anyone know where I can find oil cooler lines for my tr6060?. I bought the 1/4" NPT to -6 AN for the trans cooler. Qty. The purpose of this article is to examine some of the best transmission coolers for 4l60e available and explain why they are so effective. Thx! Clear Image Tri-Ys & Hi-Flow cats >> 2. Part Number: RNB-800-619. Also fits Transmissions w/ 1/4 in. 8 lb-ft. 625 in: End 2 Fitting Size: 0. 99. 1) B&M Coolers. Reviewed in the United States 🇺🇸 on May 30, 2017. Currently I have the NPS to -6 straight AN adapters with -6 90 degree fittings on the lines. Fitting Material: Steel . Eva. 6AN 70" Transmission Fluid Oil Cooler Hose Line kit for GM Chevy Transmission 4L80E TH350 TH400 4L60E 700R4 200-4R TR6060 Ford AOD 4R100 4R70W and C5 Stainless Steel Braided PTFE Hose Brand: Generic 4. Dorman HD Solutions Transmission Oil Cooler - 918-5602. Buy on Amazon: 7: 6AN Braided Oil Fuel Line… 8. FREE Returns . GM TH350/TH400/700R4. Opens in a new window or tab. 40. Cooler Line Fittings. Apr 28, 2019. Can be stock or braided line with fittings. The process covers the parts, part numbers, cutt. Cooler RETURN fitting ( Horizontal-points towards front of car) 1/4-18 NPSF. 0L/4. The ’64 Chevelle/El Caminos position the. AFAIK GM tranny lines have traditionally been 5/16 inverted flare. The cooler lines themselves are 5/16” with flare fittings. Part # 800. Thanks Reply Like. Male Threads, Female Inverted Flare, AMC, Chevy, Ford, GMC, Each Part Number: FSS-53020 4. Early 04 to current: Cooler FEED fitting (points straight down) 9/16-18 UNF, NO CHECKBALL. You push the line and a clip holds the line in. barge935 (31) 100%. The size of the line needed depends on the specific vehicle and transmission type. Designed to install onto all 1/2” Diameter transmission lines. I tried: -New o rings, x 4. This effect varies with 46 or 47 RH/RE cooler lines and may become a problem as head pressure nears 80 psi or more (see Figure 2 ). 5L DIESEL: Chevrolet/GM:. So, when looking at transmission lines, there are two main types of transmission line that can be used: coaxial and microstrip. Find many great new & used options and get the best deals for LS1 4L60E Conversion to Standard Transmission Cooler Line Adapter Fittings at the best online prices at eBay! Free shipping for many products!. 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. 2. I have just developed a leak on the upper outlet fitting for the tranny cooler lines on my 4l60e. - new clips x 2. Optimal transmission temp is about. 399 posts · Joined 2010. Ideal for converting stock transmission cooler lines to braided lines using aircraft / an fittings; Includes two fittings and two crush washers;. Return this item for free. Package Depth. Estimated Ship Date: TomorrowCome out of the radiator cooler and around to the "input" line of the external transmission cooler. 4L60E 6 AN x 1/4NPS. 1st one looks correct for the 4L60E with a side mount cooler in the cross-flow radiator. Complete the job with these highly suggested add-on products. B&M 70274 Specs. 52". Transmission Fluid Temp Test (60* ambient):OEM Cooler: 150*. 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. He does not have the factory in/out tranny lines (to the cooler) and wants to rig something up. GM Genuine Parts 19125677 Automatic Transmission Fluid Cooler Line Fitting . I was using the factory type fitting and line that use the little e-clip to hold. 4. Powerglide - Dedenbear. 4. They're manufactured from high-quality material that meets or exceeds. 4L80 Trans Fittings Fit Stock Adapters. 925513. Part # 800-713. 12267 posts · Joined 2007. Cooler Line-Transmission-Stainless Steel-2 Piece Diesel : 4 Wheel Drive 3/4 Ton 88-94: 1: $79. PRIMARY COOLING Transmission (See Diagram #4 & 5) 1. 37 $ 12. 10mm and 3⁄8 line are close enough in size that in a pinch, standard 3⁄8 tube nuts can be drilled out to fit over the 10mm line, then double-flared in place. 5. DORMAN . 50. Tru Cool 40k – Best Transmission Cooler For Towing & Trucks. Fitting Material: Steel . slravene Discussion starter · Jun 30, 2015. 1995-98 Chevrolet GMC Truck 4L60E 5/16" Trans Cooler Lines 2pc, OE Steel. 1 Year Limited Warranty. The supplied line with the Hayden cooler was a different size than the factory line. Transmission Line Adapter Fittings, Transmission Oil Cooler Fittings, Steel, 5/16 in. This warning applies to stainless steels as well. Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. 3L V8 4. Or fastest delivery Wed, Oct 18. 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. $45. Air Conditioning Long Thru Frame Fitting 1/2" Thru Hole. Bracket. Inlet Line runs from Top Fitting on Transmission to Top Fitting on Passenger's Side Radiator Connection, Outlet Line runs from Bottom Fitting on Transmission to Bottom Fitting on Passenger's Side Radiator Connection. This 4l60e transmission cooler lines diagram. Manufactured to GM OE specifications for fit, form and function. The ideal size for these types of transmissions is 6 x 1/4NPS. Transmission cooler lines are generally available in sizes ranging from 3/8 inch to 5/8 inch. Fitting Size:-10AN / 7/8″-14 o-ring female x -8AN male. In 1992, GM began using an electronically. UPC: 190861000230. 7 out of 5 stars 33. COOLER LINE FITTING 4L60E SNAP IN TYPE 4L65E 4L70E TRANSMISSION OEM M30 M32 M70. 9. This specification has been proven to work best when used in conjunction with many other GM transmissions and provides. , it is very important to determine the send line and which line is the return line on a 4l60e transmission (inlet and outlet). Male straight pipe to male -6AN fitting. 0 out of 5 stars. Size: 6AN Flare to 1/4" NPSM; Material-Aluminum alloy, reusable and recyclable. Fittings are made from lightweight anodized aluminum, with fluorocarbon seals and are 100% leak tested. 1lbs. Note. I don't believe brand is a concern. All the literature and the product lists for the fittings to convert the standard quick connect cooler lines on a brand new 4L60E to AN fittings say that the thread size in the case of the transmission is 1/4 NPS, with an o-ring. 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 another type like a AN-fitting. Transmission Cooler Hose Line with Fitting kit. Quality replacement - this transmission cooler connector matches the fit and function of the original equipment connector ;. It appears that the supercharger's air-to-water intercooler, which sits in front of the transmission cooler, blocks enough. JEGS 113600K. 0l . . Yukon XL Denali. A 9/16” wrench just rattles around on it. Show More. You should see the fluid change color to a bright red/pink. Find Parts and Accessories 4l60e cooler line fittings KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing!2. Installed the engine and brand new 200-4R transmission in my '66 Chevelle a few weeks ago. — Male hosebarb threads into the transmission line fitting. Summit Racing Part Number: SUM-220027. Sponsored. 0 or 6. cut them about 3 inches apart not next to each other. I am trying to buy lines for my 55 Nomad and find 700R lines but not the 4L60E listed. Fitting Size 1: 1/4 in. Automatic Transmission Assembly Rear Wheel Drive; Transmission Code:. 1. van full size 3500 06-08 4 sp rwd v8 6. It's 1/8" npt and a sensor will thread right in. Toggle menu (844) 298-6404. 00 Add to cart; Information. #1 · Sep 27, 2013. 2 out of 5 stars 143 ratings. 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. Ideal for converting stock transmission cooler lines to braided lines using aircraft / an fittings;. 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. If so, the seal will be tapered to fit the fitting and will be harder so it won't extrude into the tube. Fitting Size 2:-6 AN . PLEASE READ THIS FIRSTApplications: 4L60E, 4T65E, and 4L80E. 4l60e vs 6l80: Difference Between 4l60e. Used store-bought pre-made 5/16 nickel/copper brake lines (60") from a local auto parts store. Cooler Dimensions: 11″ x 11″ x 1 1/2″ Cooler Type: Stacked Plate. 4, or even up to 14 quarts. Special Order. $48. A) with an auxiliary cooler install after OE cooler return in. 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. GM COOLER LINE FITTING, 4T60E, 4L60E, 4L80E(Front) Item #: 31284 $6. the 1/4 NPT doesn't thread in, gets stuck after 1/4-1/2 turn. - removed and re installed the fitting after. Dorman 800-604 Transmission Line Fitting (3/8" x 1/4"-18) 2001-2008 GM Silverado/Sierra 2500HD/3500HD (See Applications) +$6. NO fit. View transmission cooler line diagrams for LBZ & LMM Duramax trucks. 4L60-E Mod/Upgrade Info (with Pics) In late 1981, GM introduced a 4 speed automatic transmission for the 1982 model year and designated it the 700R4. NPS Male Threads, -6 AN Male AN, 4L60E, AOD, C5, TH350, TH400, Each. 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. This kit has been designed to simplify the installation of these coolers, while providing a great looking, lightweight, and extremely durable design. Set includes: 1 Inlet Line 5/16" (in 2 easy to install sections), 1. Change the filter, re-install the pan, fill with fluid. 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. 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?. Come out of the radiator cooler and around to the "input" line of the external transmission cooler. I have trial fitted the LS1 / 4L60 and when I was under the car I observed that the entry point of the transmission cooler lines will be very close to the body flange. Close ×! OK Cancel. 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. 3. 5. Quantity: Sold as a pair. 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. Home; Learn More. B. Footer Start. Female hosebarb threads onto radiator Jeep & Dodge Kit 3928. 55 Max PSI: 750 Min bend radius: 2. 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. #2 · Nov 21, 2011. This 4l60e transmission cooler lines diagram provides an easy to follow example of how your 4l60e’s cooling path works. , it is very important to determine the send line and which line is the return line on a 4l60e transmission (inlet and outlet). Order Chevrolet K1500 Auto Trans Oil Cooler Line Fitting online today. 0L 5. The lines come complete with all required hardware and provide leak free, secure connections between your cooling system and transmission. fuel lines hoses. 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. FREE Returns . The 4l60e top port is the return line, the bottom port is the pressure line. VSWIG 6AN Transmission Cooler Lines 70 Inch . Feb 12, 2020. 15. 5/16 SCREW IN COOLER LINE FITTING CONVERSION 4L60E 4L65E 4L80E ADAPTER 700R4 1/4To help you find the 4l60e trans lines brand we analyzed & researched all the features that are right for you and came up with a list of 10 different options to purchase. Quick Connect Cooler Line Fitting, 700R4/4L60E/4L80E $8. Quick question here, the cooler lines going into a GM 700R4/4L60 are what size/type? From what I can tell, they appear to be standard 5/16" inverted flare lines (brake line), at least on the radiator side. My 4L60E fit under the floor with no sheet metal surgery required, and yes, I'm also using the Holley forward-bias engine mounts on my 70 El Camino. Coaxial line (seen in Figure 3. 5/16" Line x 1/4" pipe. Horizontal case fitting: 4T80E : Main case fitting (not channel plate) 400, 375, 475 (3L80, 3L80H). MSRP $63. #1 · Aug 25, 2011. Summit Racing™ Transmission Line Adapter Fittings. Some transmission above-listed & coolers may have different size fittings than our kit includes; 2. Body Quick Connector; w/Bevel Washer At Cooler Fitting; 9/16 In. 4L60E transmission. The reason for this is because the 4L60E has a. fuel pump fittings adapters. BrianF. I forget the year but: 4L60E trans went to a clip in cooler line O-ring style end. Most applications require two fittings. I ended up remaking the auto lines from front to back with new fittings. $38. End 1 Thread Size:. Slow, slipping or no reverse: “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. I plan to install it just behind the fitting before entering radiator. 70" Transmission Cooling Lines . I have just developed a leak on the upper outlet fitting for the tranny cooler lines on my 4l60e. 90. 3L 5. Email Required. Part Number: TCI-831013 5. Street performance & off-road parts. CTT9504. Rating Required. Our products have been undergone durability test, sealing test, temperature test, and pressure tests before. Transmission Line Adapter Fittings, Transmission Cooler Line Adapters, Steel, Nickel Plated, 9/16-18 in. 8 out of 5 stars 6 These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission cooler Compatible with: TH400, TH350, 700R4, 4L60E, & 200-4R transmissions (4L80E see other listing, compatible with 1 additional long fitting) The Grumpy Grease Monkey mechanical engineer. Buy JSDAN 4L60E 6 AN x 1/4NPS Transmission Cooler Adapter Fittings Front and Rear -AOD TH350 TH400 700R4 200-4R TR6060 4R100 4R70W C5. Gasket Or Seal Included:. 1/2” Compression Fittings - Designed to install onto all 5/16” Diameter transmission lines. 6 out of 5 stars 135 ratings | 16 answered questions . Based on the A618, the 48re is an electronically governed, ECU controlled four-speed automatic overdrive transmission that is a stronger version of its predecessor, the 47re. Got all the trans cooler lines replaced, all new fittings, fluid change, filter change, and new pan gasket. B&M 70264 transmission cooler. Product Size - Each 3/8" inner diameter hose is about 70" long with AN-6. Compressor Works Power Steering Cooler Line 900250 $ 7. 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. Radiator Side; Transmission Oil Cooler Line Connector 3/8 In. Russell Transmission Cooler Line Fittings. Cooler RETURN fitting (Horizontal-points towards front of car) 9/16-18 UNF. Dorman Automatic Transmission Oil Cooler Line Fitting 800-713 $ 6. 9/16" x 18 thread. If your transmission. Pair of Transmission fittings 1/8 in. Best Transmission Cooler For 4l60e. If the transmission cooler is a custom fit why do I need to measure? The cooler itself is not the custom-fit part. . I've used a lot in my time and they all look the same to me. 4l60e binding reverse. 00 + Sold in packs of 1 x 1: $8. Brand New. Derale 15300 tube and fin cooler. These fittings are threaded into the cooler ports in your transmission and enable you to run AN lines to a transmission. Russell Transmission fittings are designed to replace OEM adapters in TH350, TH400, 700R4, 4L80 and additional applications that. 2. There is a port on the driver side of the transmission right above the shifter shaft. PLEASE HELP: If you have one of these lines, or a transmission with the fittings, could someone please measure the thread or tell me what the fitting is? Using the "ghetto caliper" on my Crescent wrench, the tube seems to be either 1" or. Disclaimer: Under no circumstances will proclaimliberty2000 be responsible or liable in. Size: Braided. 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. Common failures on 4L60E, symptom < cause > any possible repair: 1. #1 · May 16, 2005. Fits Most Common Domestic Transmissions. Find our best fitting transmission cooler line assemblies for your vehicle and enjoy free next day delivery or same day. Find the right. 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. NPS x -6 AN. 1/4 in. Customer reviews and photos may be available to help you make the right purchase decision!. Classic $57. This is just a stock 2001 Vortec V6 setup in my Blazer. 562-inches and a height from 3. Not Yet Reviewed. Report. Fitment:-Flexible SS Braided Transmission Cooler Hose Line GM Chevy 1996 & Newer 4L80E Transmission About 70" Length. With bevel washer at cooler fitting. by Transmission Cooler Guide. The best way to patch a cut cooler line is to double-flare the lines and join both ends with a tubing union. . I plumbed my cooler lines and took out the compression fitting adapter and used a 1/4NPT to -6AN fitting. So 4 is pressure to cooler and 5 is return to trans. The upper port on the trans was very difficult to access because of its proximity to the trans tunnel, headers, and TV cable. You see how the spools can stage mid-circuit, which further restricts converter and cooler flow. Transmission Cooler Fittings Kit [Set of 2], 700R4/4L60E/4L80E $14. 4, 11. The fitting is a 3/8" inch brass trans cooler line fitting. NPS . 80. Part Number: SUM-230322-B. 99Hose Color: CoatedLength: 41End 1 Type: Male Quick DisconnectContains Spring: NoEnd 2 Type: Male Quick DisconnectFittings Included: NoHose Material: MetalEnd 1 Inside Diameter: 7Transmission lines 4L60e to stock 71 rad cooler LSx Swaps. The cooler has AN-10 male fittings on it. Lowest Price Guarantee. Derale 14204 Transmission Cooling Pan For Gm 700r4 And 4l60e. You have the 3/8 size lines, the tubing measured O. The derale transmission cooler for4l60e has been making quality transmission cooling pans for over 25 years, This new 700r4/4l60e pan has been redesigned to fit more applications than previous designs. Gearstar’s 6 A/N cooler fittings are straight 1/4” pipe threads. 99End 1 Type: 9/16-18 UNFEnd 2 Type: Male Inverted FlareMaterial: Aluminum. We have the best Auto Trans Oil Cooler Line Fitting for the right price. GM 4L60E Hardware Torque Specifcations; 4L60E Filter Style Guide; 4L60E/4L65E Rebuild Kit Options; 4L60E Valve Body Rebuild Instructions;Trans Cooler Return Line Chart Transmission Location. NPS Male Threads, -6 AN Male AN, 4L60E, AOD, C5, TH350, TH400, Each. This tells you through which the upper radiator port and the external transmission cooler are connected. Prime Big Deal. Bell Housing Included: No. 90. Notes: Automatic Transmission Oil Cooler Hose Assembly. Automatic Transmission Cooler Line Kit Fit GM 4L80E 6AN Nylon Steel Braided Line. There is a port on the driver side of the transmission right above the shifter shaft. 50. These are transmission cooler line fittings for 1996 - 08. If you own a GM car with a 4L60E transmission, then you know that one of the most important things to keep an eye on is your transmission cooler line size. 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. Dorman 800-619 Transmission Line Connector - Tube Size 1/2 - Thread 9/16-18 UNF. Notes: Most. 00 + Sold in packs of 1 x 1: $4. NPS Fitting Size 1 and get Free Shipping on Orders Over $109 at Summit Racing!. Find TCI Transmission Cooler Line Fittings 4L80E Transmission Model and get Free Shipping on Orders Over $109 at Summit Racing! Simplify your transmission cooler installation by using TCI transmission cooler line fittings. 4L60E transmission. Compatible with 2008 and later cases (has . Answer: YES. 10 times better than a piece of hose. 7262 posts · Joined 2010. 1l; yukon 2500 07 4 sp rwd 4x4 v8 6. fuel lines hoses. 【Package Includes】-2 Short Transmission Cooler Fittings Sent from my GT-I9100 using Tapatalk. Fitting Size 1: 1/4 in. Using 1/4” tapered pipe thread fittings could crack your transmission case and will void the warranty. Install the radiator grille. The purpose of this article is to examine some of the best transmission coolers for 4l60e available and explain why they are so effective. Subject: Transmission Fluid Cooler Line Leak (Replace Affected Cooler Line) Models: 2006-2007 Chevrolet Silverado Classic 2500/3500 Series 2007-2009 Chevrolet Silverado 2500/3500 Series 2006-2007 GMC Sierra Classic 2500/3500 Series 2007-2009 GMC Sierra 2500/3500 Series Equipped with 6. Don't use npt. If your transmission lines have A/N fittings installed, you would have a case thread size of ¼ to 18 NPSM (straight thread). So Thinking about getting AN 10 female to barb hose fittings for it. Yes they will. GM 4L60E Transmission Cooler Fittings.