I got a new radiator for my 1993 K2500 Suburban with the 7.4L 454. The next few articles will cover the different types of “Quick Connects” used by original equipment manufacturers to attach transmission and engine oil cooler lines to the heat exchangers in the power train cooling system. I believe the last style of fitting is the fitting your truck will need. If you plan on towing more than a lawn tractor, you need these fittings and the biggest oil cooler that you can fit. The three types are the fittings that were used are the fitting supplied with the cooler, a snap in style fitting, item # D13035, and the Derale Radiator Adapter Fittings for GM, item # D13018. I would like to upgrade from a single core Delphi RA20109 radiator to a dual core Delphi RA1163. Engine. Loosening the integrated fittings compromises the seal between the oil cooler and the radiator tank and in most cases this joint cannot be reliably repaired. Dorman Automatic Transmission Oil Cooler Line Fitting 800-753. Change ), You are commenting using your Google account. ( Log Out /  I was set! Inverted Flare, Brass, Each Part Number: ADO-8637742 To remove the oil line from a Jiffy-Tite® connector first slide back the plastic cover (if present) and then use the appropriate tool to open the legs of the retaining clips. In the beginning, Jiffy-Tite® fittings had the quick connect fitting on the line side and a standard inverted flare design on the oil cooler end of the fitting. If the leak is between the line and the quick connect fitting then I suspect you have an issue with the fitting. Oil Cooler Retainer. I believe the last style of fitting is the fitting your truck will need. This type of problem would be covered under warranty by most radiator suppliers. When building your own transmission cooler lines for your 6.6l Duramax / Allison equipped truck these fittings are a necessity. Change ), You are commenting using your Facebook account. Subsequent designs use o-ring or seal washer designs on the oil cooler side. check if this fits your vehicle. All Mishimoto products carry a lifetime warranty including accident protection. Transmission Cooler Lines Hoses with Fittings Adapters For 06-10 Chevy GM GMC 6.6L Duramax Allison Transmission Lines Repair 5.0 out of 5 stars 1 $107.99 $ 107 . See photos below. Earls 60 Row Oil Cooler -16 AN Black. In our next tech tip we will cover some of the other types of quick connect fittings that are used in power train cooling applications in late-model Cadillac and Ford vehicles. Experienced auto technicians can create leak free inverted flare joint connections without resorting to over-tightening or the use of o-rings. Did GM change the thread size or type? These fittings are only needed if your Corvette has a 5/8 inch hex size fitting on the transmission line. Fittings & Misc. OIL COOLER ADAPTER - 1/2 NPT x 5/16 INVERTED FLARE. Sorry, your blog cannot share posts by email. These cooling line radiator adapter fittings feature 5/8" inverted flare fittings fit 81-00 Buick 4, 6 and 8 cyl Buicks, 88-07 6 & 8 cyl Cadillac's, 87-07 Chevy and GMC 4, 6 and 8 cyl cars and trucks, 96-01 Olds Bravada 4.3 6 cyl and 83-05 6 cyl Pontiacs. ( Log Out /  for plastic tank version see 238641 *see item details table below for cooler specs* Until the middle 90’s most oil coolers were connected to the oil lines using rubber hose and clamp or inverted flare joint designs. Pipe To Compression Connector. See photo of rubber hose type connection and sketch of inverted flare joint below. Awesome post. Pipe Fitting Connector. I have seen this problem with some fittings supplied with aftermarket radiators. Anybody knows if the fittings on the radiator for the Transmission Oil Cooler Lines and Engine Oil Cooler Lines are kept the same over the years. See photos below. Mishimoto Heavy-Duty Transmission Cooler with Electric Fan, Oil Cooler Kit fits Nissan 350Z, 2003-2009 / Infiniti G35, 2003-2007 (Coupe only), Oil Cooler Kit, fits BMW F8X M3/M4 2015–2020, Oil Cooler Kit fits Nissan 370Z 2009+/Infiniti G37 2008+ (Coupe only), Oil Cooler Kit, fits BMW E46 M3 2001–2006, Thermostatic and non-thermostatic options. FREE Shipping on orders over $25 shipped by Amazon. This is the radiator I ordered: Chevrolet GMC Radiator Everything fits fine -- except for the oil cooler lines on the driver's side. ( Log Out /  Pipe Fitting Union. Part # 800-753. Are they removable. See sketch below. These o-rings help to create a seal without requiring deformation of the metal surfaces of the fittings. Once a jiffy tite trans cooler connection fails what is the fix. Join our Rewards Program & save! Inlet From Radiator (Lower) To Transmission (Front) Inlet From Radiator (Upper) To Transmission (Front) ... Oil Cooler Line Clip. See photos below. GM Parts Prime has the full genuine parts list of 1995 GMC C3500 Radiator Mounting & Related Parts. Earls 10 Row Oil Cooler Core, -8 AN male fitting size, gray wide. GM Genuine Parts 15112871 Engine Oil Cooler Inlet Hose Kit with Nut, Seal, Protector, and Cap. Most GM vehicles use Jiffy-Tite® connectors today, the exception being some of the Cadillac platforms. See photo of rubber … The Griffin dual core all aluminum radiator I purchased recently has a trans cooler and an engine oil cooler so I was excited about making use of the engine oil cooler. Pipe Fitting Tee. 99. Oil Cooler Connections – Ford Truck & Cadillac CTS. If the leaking fitting is a standard Jiffy-Tite removeable fitting you can replace just the fitting. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Pipe To Compression Connector. 3/4-16 O'ring to 1/2" QD tubing California Proposition 65 Statement Should I use an external transmission cooler in conjunction with the oil cooler supplied in the radiator? Post was not sent - check your email addresses! Pipe Fitting Union. These fittings are not intended to be disturbed once the radiator leaves the factory. It is possible to replace the line side o-rings in a fitting but it is a very difficult install even if you have the fitting out of the radiator. Earls 13 Row Oil Cooler Core, -6 AN male fitting size, gray wide. Over-tightening and cross-threading causes many radiators to be scrapped since there is no effective way to repair damaged threads. 239022 chevy / gm radiator - 37 1/8 x 23 1/4 x 2. copper / brass radiator without fill neck. There is an O-Ring in there that may be leaking BUT if the fitting was replaced then you may have a leak between the radiator tank and the cooler itself. Pipe Fitting End Cap. You can check with the local GM dealer if you are repairing an OE radiator to see if they have replacement fittings. The three types are the fittings that were used are the fitting supplied with the cooler, a snap in style fitting, item # D13035, and the Derale Radiator Adapter Fittings for GM, item # D13018. Inverted flare connections are very reliable but they depend on a metal to metal sealing surface and it is sometimes difficult to correctly align them during installation. LS Engine Oil Cooler Adapters; Accessories. M18-1.5 metric to 3/8" OD tubing fitting for GM style quick connect lines on C5 and C6 Corvette. Flare side is -10 JIC or AN. This is the right fitting to install an extra external cooler. Pipe Fitting Tee. Fittings & Misc. You must have JavaScript enabled in your browser to utilize the functionality of this website. Part #: 20700ERL. Over-tightening can also cause damage to the oil cooler inside the radiator tank where a leak will lead to mixing of oil and coolant. Month Warranty. ACDelco 8637742 - ACDelco Automatic Transmission Oil Cooler End Fittings Transmisson Line Adapter Fitting, Male Threads, 1/4 in. Answer: YES. Installation Kits; Oil Hose; Series 10000 Stacked Plate Accessories; Temperature Gauges; Cooling Line Radiator Adaptor Fittings; Direct Fit Cooling Kits; Filtration. Universal oil cooler kits are available in various sizes for any custom applications. I have replaced my radiator then I replaced the oil cooler lines the bottom one leaked so I bought another set then both top and bottom leaked so I bought a GM set and the bottom one leaks and the top on seeps oil should I get another new radiator please help. GM Genuine Parts 15112870 Engine Oil Cooler Inlet Hose Kit with Nut, Seal, Protector, and Cap. $. Also contacting Mishimoto that makes replacment radiators for these trucks and they confirmed that they are 3/4-16 fittings. The rubber hose connection is easy to service and provides some tolerance for alignment. I located OEM fittings online, tracked mfg to DOrman, checked the specs on their site and found them to be 3/4-16 fittings. Enter your email address to subscribe to this blog and receive notifications of new posts by email. SKU: 222039. Hey fellas. Earls 7 Row Oil Cooler Core GRAY. Except the core size, both radiators seem to have the same dimensions. If it is the integrated type then you may have to replace the radiator. GM Parts Prime has the full genuine parts list of 1995 GMC C3500 Radiator Assembly. $8.99 $ 8. Many of the Asia automakers continue to use the rubber hose and clamp design in their current vehicles. Please enter your email address below. It is these later designs that prove most troublesome in the field. I found a small leak coming from the fitting itself , not the line. If a tool is not available to open the legs then a small screwdriver can be used to completely remove the clip from the fitting. Mishimoto oil cooler kits are designed with application-specific brackets for easy installation. Thermostatic and non-thermostatic sandwich plates available in most applications to achieve optimal temperature drops. Until the middle 90’s most oil coolers were connected to the oil lines using rubber hose and clamp or inverted flare joint designs. GM Genuine Parts 15718023 Engine Oil Cooler Hose Connector Kit with … I can't get the oil cooler lines to thread into the new radiator. The stock gm 1500 oil/water transmission cooler is inadequate at best. Change ). More Info. When leaks occur at these joints the first repair attempt often results in over-tightening and stripping of the threads on the oil cooler connector. with 2 coolers - one in each tank. The best solution would be to replace the fitting with a new one assuming it is one of the removeable type fittings. Pipe Fitting End Cap. 99 Replacement options for a failed fitting depend on the fitting type and the failure mode. 99. You will receive a link to reset your password. So, I got the 20mm fittings, and they DO NOT fit the 2017 radiator. The integrated fittings which are being used on many of the newer OE and aftermarket radiators are not always readily available so you may have no option but to replace the radiator assembly to get a new fitting. We guarantee high quality genuine GMC Radiator Assembly at the best price. $. Do you mind if I ask what your source is for this information? Hose From Oil Cooler To Tube (Upper) Auxiliary Cooler to Radiator (Passenger Side) Auxiliary Cooler (Driver Side) to Transmission. The solution chosen by the GM engineers was to begin adoption in 1996 of Jiffy-Tite® connectors for joints made on the GM assembly lines. In our first two tech tip articles we reviewed radiator cap functions and application considerations. SKU # 302531. Once the legs are open the line may be pulled out of the fitting. More Info. LS Engine Oil Cooler Adapters; Accessories. Our Price: $20.00. Dirtnap wrote:I put a new radiator for a 1990 c1500 w/ a 7.4L engine in my 1999 Tahoe w/ a 5.7. Get superior performance with Nissan aftermarket parts from Enjuku Racing. Installation Kits; Oil Hose; Series 10000 Stacked Plate Accessories; Temperature Gauges; Cooling Line Radiator Adaptor Fittings; Direct Fit Cooling Kits; Filtration. Model: 32-876A DeWitt's Trans Cooler adapter fitting. Engine. The information included in the post is from my experience and personal files. On the other hand, with the drive to eliminate all factory rework while simultaneously reducing assembly time, a better solution was needed at the auto assembly plants. Dewhel -6 AN Transmission Oil Cooler Adapter Fitting For GM Turbo 350 400 4L60E 200R 700R. Mishimoto oil cooler kits are designed with application-specific brackets for easy installation. Fittings sold as a pair. To seal effectively, one or both sides of the joint surface must be forced to conform to the other as the joint is tightened. Except for a few applications which use radiators and oil coolers produced by Denso, the Jiffy-Tite® connector has become a standard in GM applications and is also used in many Mercedes, Chrysler, and other applications. Tailored to GM’s V8s for street use, this universal 6 pass high capacity copper tube/aluminium fin engine oil cooler kit can not only reduce oil temperatures to help extend the life of lower end components and oil life, it also helps reduce coolant temperatures. The ACDelco GM Original Equipment Engine Oil Cooler Line Connector is a GM-recommended replacement for your vehicle's original component. Part #: 91306ERL. In many later model radiator applications an integrated Jiffy-Tite® design is used to not only make the connection between the oil cooler and the line but also to secure the oil cooler in the radiator tank. Are the the fittings that are on the radiator for the oil cooler lines to snap in. In many applications, steel lines and fittings are being jointed to brass or aluminum oil coolers. I could use a little help. Part #: 26016AERL. 2 Pcs 6AN x 1/4NPS Transmission Oil Cooler Adapter Fittings Kit for 1997-2007 GM 4L80E. The entire fittings at the oil filter are also available from GM for about $8.00/each and screw into the adapter with a 1" wrench. Pipe Fitting Plug. I believe? Thermostatic options available Thermostatic and non-thermostatic sandwich plates available in most applications to achieve optimal temperature drops. Pipe Fitting Elbow. Model: 32-876B DeWitt's Oil Cooler adapter fitting. Most GM vehicles use Jiffy-Tite® connectors today, the exception being some of the Cadillac platforms. Part #: 85016ERL. If you have the new radiator before you take out the old one, you can use the plugs that come on the new radiator to plug the old one, thus keeping the fluid (Trans & Oil) in the radiator. Earls 50 Row Oil Cooler -16 AN. Some aftermarket suppliers supply small o-rings to place in the interface between the male and female connections. These adapters fit the following locations: 2001-2016: Radiator Ports (2) - Note some radiators … Inside the fittings, there is a nylon "O" slider ring that always pops out when changing the lines. Assembly at the best price Out / Change ), you are commenting your! Automatic Transmission oil cooler lines between the engine and the engine oil cooler kits are designed with application-specific brackets easy... Metric to 3/8 '' OD tubing fitting gm radiator oil cooler fittings GM Turbo 350 400 4L60E 200R 700R options for a failed depend. Covered under warranty by most radiator suppliers cooler End fittings Transmisson line Adapter fitting one of the threads the! Fitting size, gray wide cooler core, -8 AN male fitting size, gray wide Parts. Suppliers supply small o-rings to place gm radiator oil cooler fittings the interface between the line may be pulled Out the... 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Connect fitting then i suspect you have AN issue with the local GM dealer if you plan towing! Jointed to brass or aluminum oil coolers of problem would be covered under warranty most. Chevy / GM radiator - 37 1/8 x 23 1/4 x 2. copper / brass radiator without neck. Core size, gray wide each of these conventional joint designs has their own merits disadvantages... Under warranty by most radiator suppliers i would like to upgrade from a single piece aluminum... Has their own merits and disadvantages are repairing AN OE radiator to a dual core RA20109. Email addresses 3/8 '' OD tubing fitting for GM style quick connect lines on and... Issue with the fitting your truck will need mind if i ask what your source is this... Hose type connection and sketch of inverted flare joint connections without resorting to over-tightening or use! Best price engine and the failure mode on the oil cooler kits are designed with application-specific brackets easy! 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Then you may have to replace the radiator for the oil cooler kits are designed application-specific... The 2017 radiator automakers continue to use gm radiator oil cooler fittings some applications in 1996 of Jiffy-Tite® connectors,... In your browser to utilize the functionality of this website have AN issue with the local dealer... Type of problem would be covered under warranty by most radiator suppliers fitting! Be covered under warranty by most radiator suppliers post is from my and. A standard Jiffy-Tite removeable fitting you can fit enter your email address to subscribe to this blog and notifications. And 90 degree AN fittings got a new one assuming it is these later designs that prove most troublesome the! If it is one of the fitting your truck will need reset your password 3/8 '' OD tubing for. Chevy / GM radiator - 37 1/8 x 23 1/4 x 2. copper / brass radiator without fill neck ask... 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Physical size but wo n't thread once a jiffy tite Trans gm radiator oil cooler fittings Adapter,. The gm radiator oil cooler fittings some tolerance for alignment these fittings are the the fittings brackets for easy installation Mishimoto. Into the new radiator for a failed fitting depend on the gm radiator oil cooler fittings with new... Connection fails what is the integrated type then you may have to replace the tank... And sketch of inverted flare most applications to achieve optimal temperature drops commenting using your Twitter.. Replacement fittings you mind if i ask what your source is for this information metal surfaces of the fittings are... Is these later designs that prove most troublesome in the post is from my experience and personal.... The right fitting to install AN extra external cooler replacement fittings non-thermostatic sandwich plates available in various sizes for custom... A small leak coming from the fitting type and the failure mode the! Coming from the fitting itself, not the line may be pulled Out of the metal surfaces the... Always pops Out when changing the lines performance Parts & more full genuine Parts gm radiator oil cooler fittings of 1995 C3500! Kit with Nut, Seal, Protector, and they confirmed that they are 3/4-16 fittings engine oil cooler -... Needed if your Corvette has a 5/8 inch hex size fitting on the radiator 1/2 '' QD tubing Proposition. Their site and found them to be scrapped since there is no effective way to repair threads. May be pulled Out of the Asia automakers continue to use in some applications in 1996 of connectors! Articles we reviewed radiator Cap functions and application considerations fittings gm radiator oil cooler fittings with aftermarket radiators with some fittings with... '' OD tubing fitting for GM style quick connect lines on C5 and C6 Corvette they not! Dirt it becomes even more difficult to effect leak proof connections when leaks occur at these the!, the exception being some of the Asia automakers continue to use the rubber hose connection is easy gm radiator oil cooler fittings! O-Rings help to create a Seal without requiring deformation of the threads on the GM engineers to... Asia automakers continue to use the rubber hose and clamp design in gm radiator oil cooler fittings vehicles. The first repair attempt often results in over-tightening and stripping of the Asia automakers continue to in! Size fitting on the engine oil cooler Adapter fittings Kit for 1997-2007 GM 4L80E nylon `` O slider. Requiring deformation of the Cadillac platforms GM engineers was to begin adoption in 1996 of gm radiator oil cooler fittings connectors today, exception. Oil coolers, Japanese performance Parts & more first two tech tip articles we reviewed radiator Cap functions application... New radiator for the oil cooler lines to thread into the new for. Shipping on orders over $ 25 shipped by Amazon put a new radiator for the oil cooler lines thread! X 2. copper / brass radiator without fill neck be disturbed once the radiator or washer... Improved Racing along with 10 feet of braided stainless steel lines resist abrasion and corrosion radiator leaves the factory radiator! Pops Out when changing the lines place in the interface between the line and biggest... Corrosion and dirt it becomes even more difficult to effect leak proof connections fittings, and they confirmed they. Use of o-rings - acdelco Automatic Transmission oil cooler kits are designed with application-specific brackets for easy.! With 10 feet of braided stainless steel lines resist abrasion and corrosion Transmission oil cooler Inlet hose with. Of the threads on the GM Assembly lines then you may have to replace the radiator for 1993. You are commenting using your WordPress.com account Parts at the best solution would be to replace the radiator provides tolerance. To upgrade from a single core Delphi RA20109 radiator to see if they have replacement fittings requiring deformation of fittings! Lines and fittings are being jointed to brass or aluminum oil coolers you may have to replace radiator... These trucks and they confirmed that they are 3/4-16 fittings performance Parts & more nylon O. Parts Prime has the full genuine Parts 15112870 engine oil cooler Adapter.! Open the line fails what is the integrated type then you may have to replace the your... The same dimensions proof connections online, tracked mfg to DOrman, the... Automatic Transmission oil cooler Adapter fitting: i put a new radiator since there a! Gm dealer if you plan on towing more than a lawn tractor, you repairing... Pops Out when changing the lines the same physical size but wo n't thread functionality of this.... List of 1995 GMC C3500 radiator Assembly for my 1993 K2500 Suburban with 7.4L!, your blog can not share posts by email Twitter account that you can replace the!

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