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Dodge Cummins Automatic Transmission Coolers & Lines

Replace your Dodge diesel transmission cooler with performance parts from Pure Diesel Power. Our inventory includes Dodge Cummins transmission cooler lines, thermal bypasses and heat exchangers to extend the life of your transmission. Performance diesel transmission coolers have higher capacity airflow with more thermal efficiency to keep your transmission fluid temperatures under control during heavy use. We carry manual and automatic transmission coolers so you can always find what you need. Get the best Dodge Cummins transmission coolers, lines and more at Pure Diesel Power today.

Brand: Dorman Products Part Number: 918-964
This automatic transmission oil cooler is designed to match the function of an original cooler on specified vehicles. It is engineered to help maintain proper engine oil temperature when an original cooler has failed from heat, corrosion, or damage.Direct replacement - this automatic transmission fl..
$943.53
Brand: Fleece Performance Part Number: FPE-TC-CUMM-0307
All new for the 2003-2007 Dodge RAM! Control your transmission temperatures and tow with confidence with the latest improvement for your Dodge Ram from Fleece Performance.  Engineered from the ground up to provide you with the most efficient and highest performing replacement transmission coole..
$899.00
03-07 Dodge 5.9L Cummins Mishimoto Cooler Black Braided Transmission Line Kit
Backordered
Brand: Full Send Diesel Part Number: FSD-11-BE
Looking to replace your leaking transmission lines and upgrade your transmission cooling capacity? Look no further then Full Send Diesel's mishimoto transmission cooler line kit cooling setup. These lines are made from the highest quality braided hose and AN fittings. These come with a lifetime work..
$325.49
Brand: Full Send Diesel Part Number: FSD-11-B
Looking to replace your leaking transmission lines and upgrade your transmission cooling capacity? Look no further then Full Send Diesel's mishimoto transmission cooler line kit cooling setup. These lines are made from the highest quality braided hose and AN fittings. These come with a lifetime work..
$309.74
03-07 Dodge 5.9L Cummins Mishimoto Replacement Transmission Cooler
Backordered
Brand: Mishimoto Part Number: MMTC-RAM-03TQ
Fits: 2003-2007 Dodge 5.9L CumminsThe factory transmission oil cooler on your 2003-2007 Dodge Ram 5.9L Cummins is a liquid-to-liquid cooling unit, utilizing the engine’s cooling system to cool the transmission fluid during warm outside temperatures and warm the fluid during cold outside temperatures..
$139.95
Brand: Full Send Diesel Part Number: FSD-10-BE
Looking to replace your leaking transmission lines? Look no further then Full Send Diesel's braided replacements. These are made from the highest quality braided hose and AN fittings. These come with a lifetime workmanship warranty to guarantee you a product that will last. We strive to make only t..
$325.99
Brand: Mishimoto Part Number: MMTC-RAM-03SL
Keep the transmission cool in your 2003-2009 Dodge 5.9L/6.7L Cummins with the Mishimoto MMTC-RAM-03SL Transmission Cooler. Whether your truck is a tow rig, daily driver, or built for street performance, the Mishimoto Direct-Fit Transmission Cooler gives you greater cooling efficiency. with a 212% in..
$523.95
Brand: Dorman Products Part Number: 624-891
Fits: 2003-2009 Dodge 5.9L & 6.7L CumminsThis replacement automatic transmission oil cooler hose is constructed of quality metal and rubber components to ensure leak-free delivery of critical fluid between the transmission and the transmission oil cooler.Reliable replacement - this automatic tra..
$89.23
Brand: Mishimoto Part Number: MMFT-8ORB-8BK
Fits: 2003-2009 Dodge 5.9L/6.7L CumminsSpecifically designed to allow the use of AN lines with our 2003–2009 Dodge Ram 5.9L/6.7L Cummins Transmission Cooler, this fitting adapts -8ORB to -8AN and is sealed with a Viton™ O-Ring.This Mishimoto -8ORB to -8AN fitting is made from 6061 aluminum and is bl..
$11.95
Brand: Fleece Performance Part Number: FPE-TC-CUMM-0709
All new for the 2007.5-2009 Dodge RAM! Control your transmission temperatures and tow with confidence with the latest improvement for your Dodge Ram from Fleece Performance.  Engineered from the ground up to provide you with the most efficient and highest performing replacement transmission coo..
$899.00
07.5-09 Dodge 6.7L Cummins Mishimoto Cooler Black Braided Transmission Line Kit
Backordered
Brand: Full Send Diesel Part Number: FSD-13-B
Backordered with No ETA   **Updated on 09/05/2024** Looking to replace your leaking transmission lines? Look no further then Full Send Diesel's braided replacements. These are made from the highest quality braided hose and AN fittings. These come with a lifetime workmanship warranty to ..
$309.74
Brand: Full Send Diesel Part Number: FSD-12-B
Looking to replace your leaking transmission lines? Look no further then Full Send Diesel's braided replacements. These are made from the highest quality braided hose and AN fittings. These come with a lifetime workmanship warranty to guarantee you a product that will last. We strive to make only t..
$278.99
Brand: RevMax Part Number: 68RFE-615B
Fits: 2007.5-2021 Dodge Ram 6.7L Cummins 68RFE (For Use With Triple Disc Torque Converters)The RevMax 68rfe High Performance Pump has been upgraded and modified to be able to produce over 325 PSI with proper tuning. However, you would need our RevMax 68rfe valve body to be able to achieve more than ..
$950.00
Brand: Mishimoto Part Number: MMTC-RAM-10
Mishimoto’s transmission cooler is designed to be a direct fit for the 2010-2012 Dodge 2500/3500 6.7L Cummins and features a tube and fin design optimal for heavy load towing and rapid load changes. This transmission cooler boasts a 60% increase in core volume and an 86% increase in external f..
$499.95
Brand: Mishimoto Part Number: MMTC-RAM-10LK
Upgrade your 2010-2012 Dodge Ram 2500/3500 6.7L Cummins with the Mishimoto Transmission Cooler Bypass Kit. Designed for a direct fit, this kit bypasses the stock intercooler and A/C condenser, making installation hassle-free. You don't need to worry about dealing with freon or vacuum lines, so you c..
$59.95
Brand: AFE Part Number: 46-80005
Stacked Plate Design:This BladeRunner Transmission Oil Cooler uses a durable brazed all-aluminum stacked-plate construction that allows for greater efficiency and lower pressure drop than a standard tube-fin design.Supplemental Cooling:Designed to work in-line with your vehicle’s original equipment..
$376.00
Brand: DFUSER Part Number: DFR-1002399
This is a MUST for any truck that has a 68-RFE or Aisin AS69RC transmission or the Dodge HEMI with 545RFE, 65RFE, or 66RFE Transmissions in it. Dodge decides to incorporate a transmission cooler by pass valve into the cooling system of the 68-RFE and Aisin AS69RC that bypasses the transmission coole..
$71.99
Brand: Randys Transmission Part Number: R00101JB
Randy's Transmissions 13-18 6.7L Cummins 68rfe Juice Box thermal bypass   Adding this product to your truck will eliminate the thermostat in your current thermal block - allowing your transmission to run at a cooler temperature...
$99.00
Brand: Mishimoto Part Number: MMTC-RAM-TBVFF
Fits 2013-2018 Ram 6.7L Cummins Designed utilizing the latest technology, this product by Mishimoto features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.  Install..
$103.95
Brand: Mishimoto Part Number: MMTC-RAM-TBV
Fits: Dodge 6.7L CumminsThe transmission is the backbone of your 2013–2018 Dodge Ram 6.7L Cummins. It’s responsible for transmitting up to 930 lb-ft of torque from the engine to the wheels. That much power generates a lot of heat and if that heat isn’t dissipated, it can destroy your transmission. T..
$178.95
Brand: Mishimoto Part Number: MMTC-RAM-15SL
Fits: 2015-2018 Dodge 6.7L Cummins  There’s no greater enemy for a transmission than heat. Whether your 2015-2018 RAM 6.7L Cummins is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the dragstrip, you need to ensure that your transmission runs cool..
$520.95
Brand: Full Send Diesel Part Number: FSD-09-BE
Looking to replace your leaking transmission lines? Look no further then Full Send Diesel's braided replacements. These are made from the highest quality braided hose and AN fittings. These come with a lifetime workmanship warranty to guarantee you a product that will last. We strive to make only th..
$325.49
2010-2012 Dodge 6.7L Cummins Black Braided Factory Replacement Transmission Lines
Backordered
Brand: Full Send Diesel Part Number: FSD-50-B
Backordered until October 8th (Updated 08/27/2024) Looking to replace your leaking transmission lines? Look no further then Full Send Diesel's braided replacements. These are made from the highest quality braided hose and AN fittings. These come with a lifetime workmanship warranty to guarantee y..
$292.94
Brand: Pacific Performance Engineering Part Number: 225065000
Add another measure of protection and increase fluid flow to transmission cooler increasing cooling capacity with the easy-to-install billet aluminum PPE Transmission Fluid Thermal Bypass Valve for the Ram Cummins diesel. The OEM part has restrictive internal passages. When th..
$71.99
Brand: Power Driven Diesel Part Number: 2200121100x
Transmission cooler line kit for 1st, 2nd, and 3rd gen Dodge Ram Trucks equipped with an automatic transmission (2WD and 4WD): 727, A518, A618 47RH 47RE 48RE PDD developed this cooler line replacement kit to resolve the common issue of leaking or damaged factory Dodge Cummins transm..
$229.00
Brand: Fleece Performance Part Number: FPE-TC-CUMM-9402
All new for the 1994-2002 Dodge RAM! Control your transmission temperatures and tow with confidence with the latest improvement for your Dodge Ram from Fleece Performance.  Engineered from the ground up to provide you with the most efficient and highest performing replacement transmission coole..
$859.00
Brand: Dorman Products Part Number: 624-353
This replacement automatic transmission oil cooler hose is constructed of quality metal and rubber components to ensure leak-free delivery of critical fluid between the transmission and the transmission oil cooler. Reliable replacement - this automatic transmission oil cooler hose is precision..
$39.70
94-07 Dodge 5.9L Cummins Stock Replacement Black Braided Transmission Line Kit W/ Heat Exchanger Bypass
Backordered
Brand: Full Send Diesel Part Number: FSD-10-B
Backordered with No ETA  **Updated on 09/04/2024** Looking to replace your leaking transmission lines? Look no further then Full Send Diesel's braided replacements. These are made from the highest quality braided hose and AN fittings. These come with a lifetime workmanship warranty to guaran..
$292.94
Brand: Dorman Products Part Number: 624-982
This replacement automatic transmission oil cooler hose is constructed of quality metal and rubber components to ensure leak-free delivery of critical fluid between the transmission and the transmission oil cooler.Reliable replacement - this automatic transmission oil cooler hose is precision-engine..
$51.55
Brand: Dorman Products Part Number: 624-352
This replacement automatic transmission oil cooler hose is constructed of quality metal and rubber components to ensure leak-free delivery of critical fluid between the transmission and the transmission oil cooler. Reliable replacement - this automatic transmission oil cooler hose is precision..
$46.69
Brand: BD Power Part Number: 1300601-DS
Universal fitHOT transmission oil has to be COOLED to keep you on the track. Double stacked cores deliver over 40,000 BTU/HR of cooling and over 350% temperature drop versus the factory system - 36% better temperature drop than BD's standard single core kit. The 200 Micro Extruded passages provide a..
$687.95
Brand: BD Power Part Number: 1300611-HX
Fits: Universal Fit Heat can be a major transmission killer so our friends over at BD Diesel designed this Transmission Oil Cooler to keep things cool during those times you're hauling extra heavy loads or putting extra stress on your engine when pushing it to the max on some extreme off-road t..
$224.96
Brand: BD Power Part Number: 1400142
Fits: Universal--10 JICM X 1/2"This BD-Power 1400142 Transmission Cooler Sensor Adapter is built for use with the BD-Power 1300620 and 1300621 Transmission Cooler Temperature Sensors. Features:Temp   Sensor Adapter-10   JICM  x 1/2" Barb1/8" NPT PortFits Both BD1300620 ..
$31.95
Brand: Mishimoto Part Number: MMTC-RAM-94SL
Fits: 1994-2002 Dodge Ram 5.9L CumminsThere’s no greater enemy for a transmission than heat. Whether your 1994–2002 Dodge Ram 5.9L Cummins is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag strip, you need to ensure that your transmission runs cool.Luck..
$312.95
Brand: CSF Radiators Part Number: 20005
Fits: 1995-2002 Dodge Ram 5.9L CumminsThe CSF 20005 Replacement Transmission Oil Cooler is a direct fit replacement for your 1995-2002 Dodge 5.9L Cummins Ram 2500/3500 pickup. CSF Transmission Oil coolers are manufactured to stringent specifications to ensure a factory-fit and perfect function. Each..
$96.99
Brand: Derale Cooling Products Part Number: 15900
Cooler Oil Temperatures Mean Longer Transmission Life! This remote cooler combines a copper/aluminum core with a high flow 10" Tornado electric fan providing 650CFM for maximum cooling in any environment. Overall size 10” tall, 12-1/2” wide and 4” thick. Cooler kits include fan, cooler core and alu..
$271.94
Brand: Derale Cooling Products Part Number: 15950
• Can be mounted anywhere • Electric fan supplies optimum airflow • High efficiency “Radiator Style” fin and plate cooler core • 400 CFM 8” dia. reversible Tornado fan • Anodized aluminum mounting brackets • Rated at 26,500 GVW• AN-8, 1/2" ID Inlets The Atomic-cool Remote Cooler provides the larges..
$271.94
Brand: Mopar Part Number: 52028920AI
Mopar replacement transmission oil cooler line. For 2003-2009 Dodge Ram 2500/3500 diesel. Includes line number ONE in diagram only. Mopar part number: 52028920AI (5202 8920 AI) This item CAN NOT be shipped via any method faster than ground...
$165.53
Brand: Mopar Part Number: 52028918AI
Mopar replacement transmission oil cooler return line. Fits 2003-2009 Dodge Ram 2500/3500 diesels. This is line #2 in the black & white diagram. Mopar part number: 52028918AI This item CAN NOT be shipped via any method faster than ground. Also, this item is excluded from Free ..
$175.93
Brand: Derale Cooling Products Part Number: 15870
Our most efficient remote cooler yet, the Hyper-Cool Extreme is designed to outperform the competition in every aspect of its unique design. The combination of our largest and most efficient 40-row stack plate cooler equipped with an 800 CFM waterproof/dustproof electric fan makes this remote cooler..
$419.99
Brand: Mopar Part Number: 52028922AL
Mopar replacement transmission oil cooler line. For 2003-2009 Dodge Ram 2500/3500 diesel.Due to the size of this box, this item CANNOT be expedited, if you need one expedited, please call us so we can get an accurate shipping quote.  Number 3 in Diagram. Includes ONE line only. Mopar part num..
$305.07
Brand: Derale Cooling Products Part Number: 15960
25 Row Hyper-Cool Remote Transmission Cooler Kit, -8ANEquipped with our top-of-the-line 25 row stack plate cooler, the Hyper-Cool remote transmission cooler can literally be mounted almost anywhere. Making it a popular addition for performance cars, hot rods, muscle cars and trucks. With an all-alum..
$293.99
Brand: BD Power Part Number: 1030606-1/2
The number one transmission killer is heat… Whether you are pulling heavy loads up long-steep grades, through hot-desert areas or just hauling more than you can handle, overheated oil reduces the life of your transmission and prone to leaving you broken down in the middle of nowhere. BD’s Xtruded ..
$699.95
Brand: ATS Diesel Performance Part Number: 3109002000
Auxiliary Transmission Cooler Kit, 1/2 Inch Lines. External transmission cooling systems will help to keep your transmission running at optimal temperatures. Cooler flow is a key factor in keeping temperatures in check. Heat in a transmission can cause more damage than any other factor, especially ..
$439.99
Brand: Derale Cooling Products Part Number: 13900
Cooler Oil Temperatures Mean Longer Transmission Life! This remote cooler combines a copper/aluminum core with a high flow 10" Tornado electric fan providing 650CFM for maximum cooling in any environment. Overall size 10” tall, 12-1/2” wide and 4” thick. Cooler kits include fan, cooler core and a..
$261.44
Brand: Dorman Products Part Number: 918-258
Dorman’s Auto Trans Oil Cooler is quality-engineered to cool automatic transmission fluid, prolonging its life. The Auto Trans Oil Cooler consequently helps prevent transmission fluid leaks and overheating, protecting the transmission from possible costly damage. Recommended for replacement when rep..
$270.08
Brand: ATS Diesel Performance Part Number: 3100052392
ATS Thermal Bypass Valve Up-Grade, 2013-2018 6.7L Cummins with 68RFE or Aisin AS69RC Transmissions and the Dodge HEMI with 545RFE, 65RFE, or 66RFE Transmissions - Includes: - ATS Thermal Bypass - 2 Quick Release Cooler Line Fittings (depending on year yours may or may not need these fittings) - ..
$94.74
Brand: Mishimoto Part Number: MMOC-F
Perfect for heavy-duty trucks and turbocharged applications. This transmission cooler comes with an 8" electric fan so you know it will ensure that transmission temperatures remain low to keep your vehicle performing at its best. With an overall size of only 7.5" high by 12.8" wide fitment won't be ..
$172.95
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Dodge Cummins Transmission Coolers, Lines and Accessories

Diesel transmission coolers are important components for the safe operation of your pickup. For your Dodge Cummins automatic transmission coolers, you need reliability and durability to keep your components within their appropriate operating temperature window. Pure Diesel Power offers Dodge Cummins transmission cooler lines, thermal bypasses, oil coolers and heat exchangers so you can optimize the performance of your transmission. Choose just the parts you require or purchase a diesel transmission cooler kit that comes complete with everything you need.

Why Automatic Transmission Coolers Are Important

Your Cummins transmission cooler is responsible for balancing the temperature of the transmission fluid inside your closed system. Dodge Cummins transmission cooler lines transport fluid between the transmission and the cooler, typically passing through the thermal bypass along the way. Without your automatic transmission cooler, the fluid would become too hot and potentially burn, resulting in irreparable damage to your transmission components. With a proper diesel transmission cooler and thermal bypass, your fluid viscosity stays at its proper working temperature, reducing wear and maximizing efficiency.

Buy a Cummins Transmission Cooler From Pure Diesel Power

Replace your Dodge Cummins transmission cooler, lines and thermal bypass with a full installation kit from Pure Diesel Power. Our inventory covers all aspects of your automatic transmission cooler for most model years and generations from 1994 to the present day. Can't find exactly what you are looking for? Contact our customer service team and we may be able to source your parts without the hassle of splitting your order or calling dozens of manufacturers. Find your diesel transmission coolers online today at Pure Diesel Power.