Cooling
Top Heater Hose Upgrade (MMHOSE-RAM-07HU) for 2007.5+ 6.7L RAM Cummins
Specifically designed to replace the leak-prone heater hose quick-disconnect at the engine, this upgrade features an O-ring-less, -10AN connection for improved reliability. Say goodbye to coolant leaks and hello to seamless coolant flow.
Fleece Replacement Coolant Bypass hose (FPE-CLNTBYPS-CUMMMINS-1318) for 2007.5-2018 Cummins 6.7L
Fleece Coolant Bypass Hose FPE-CLNTBYPS-CUMMINS-1318 improves coolant flow and reduces rear cylinder heat on 6.7L Cummins.
Fleece Replacement Thermostat Housing with Auxiliary Port (FPE-CUMM-TH-1318) for 1998.5-2018 Cummins 5.9L / 6.7L
The Fleece Replacement Thermostat Housing with Auxiliary Port (FPE-CUMM-TH-1318) is a durable, precision-machined billet aluminum upgrade for 1998.5–2018 Dodge Ram trucks with 5.9L or 6.7L Cummins engines. It replaces the factory housing and features an auxiliary port for easy installation of sensors or accessories like temperature probes or coolant bypass kits. Designed for improved performance and monitoring, it offers a reliable seal and a perfect fit, making it a versatile solution for Cummins enthusiasts.
Fleece Heater Core Replacement Hose and Fitting (FPE-CUMM-HCL-0324) for 2003-2024 Cummins 5.9L / 6.7L
The Fleece Heater Core Replacement Hose and Fitting (FPE-CUMM-HCL-0324) is a direct-fit, high-quality upgrade for 2003–2024 Dodge Ram trucks with 5.9L or 6.7L Cummins diesel engines. Designed to replace problematic OEM heater core lines, it offers enhanced durability, leak resistance, and high-temperature performance. Made from premium materials, it ensures reliable coolant flow and is easy to install, making it ideal for improving or maintaining heating system efficiency.
Fleece M22 Thermostat Plug (FPE-CUMM-CYL-M22-PG) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece M22 Thermostat Plug (FPE-CUMM-CYL-M22-PG) is a durable, precision-engineered component for 2003–2018 Cummins 5.9L and 6.7L diesel engines. It replaces the factory thermostat housing in dual thermostat setups or custom cooling configurations. Featuring an M22 thread for a secure, leak-free fit, it’s ideal for performance builds and custom applications.
Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose – Stainless Steel Braided (FPE-CLNTBYPS-HS-CRVP-SS) 1998.5-2018 Cummins 5.9L / 6.7L
The Fleece 34.5″ Common Rail/VP44 Coolant Bypass Hose (FPE-CLNTBYPS-HS-CRVP-SS) is a durable, high-performance upgrade for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. Designed to enhance coolant flow and reduce pressure at the rear of the engine block, it helps prevent head gasket failure—especially in high-power or towing applications. Featuring a stainless steel braided exterior, it offers excellent heat and abrasion resistance, making it ideal for both competition trucks and reliable daily drivers.
Fleece Replacement Coolant Bypass hose (FPE-CLNTBYPS-HS-0718) for 2007.5-2018 Cummins 6.7L
The Fleece Replacement Coolant Bypass Hose (FPE-CLNTBYPS-HS-0718) is a durable, high-performance upgrade for 2007.5–2018 Dodge Ram trucks with the 6.7L Cummins diesel engine. Designed as a direct-fit replacement for the factory hose, it enhances coolant flow and reliability, especially under heavy-duty or high-performance conditions. Made from premium materials to withstand extreme temperatures and pressures, it reduces the risk of leaks and wear, ensuring long-lasting performance.
Fleece Coolant Bypass Service Kit (FPE-CLNTBYPS-CUMMINS-SER-KIT) 1994-2024 Cummins 5.9L / 6.7L
The Fleece Coolant Bypass Service Kit (FPE-CLNTBYPS-CUMMINS-SER-KIT) is an aftermarket solution for 1994–2024 Cummins 5.9L and 6.7L diesel engines. It improves coolant flow to the rear cylinders, addressing a common cooling issue that can lead to head gasket failure. Designed for durability and easy installation, the kit includes all necessary components and is suitable for daily driving, towing, and performance use. It enhances engine reliability and longevity by equalizing coolant temperatures.
Fleece Electric Water Pump Upper Fan Idler Pulley – Black Finish Contrast Cut ( FPE-34658-BLK-SPK) for 2003-2018 Cummins 5.9L / 6.7L
The Fleece Electric Water Pump Upper Fan Idler Pulley (FPE-34658-BLK-SPK) is a high-performance upgrade for 2003–2018 Cummins 5.9L and 6.7L diesel engines. Designed for electric water pump conversions, it replaces the factory fan drive to reduce engine drag and improve reliability. With a black anodized finish for corrosion resistance and enhanced appearance, it ensures proper belt alignment and is ideal for performance or racing setups.
Mishimoto Replacement Radiator (R13296) Fits 2010-2012 Cummins 6.7L
Mishimoto R13296 Cummins radiator improves cooling efficiency, durability, and performance for 2010-2012 6.7L Cummins engines.
Sinister Diesel Radiator Pipe (SDRADTUBECUMN) for 2010-2018 Cummins 6.7L
Factory coolant hoses degrade over time, especially in tuned turbo diesel engines. The Sinister Diesel Radiator Tube offers a durable upgrade with aluminum construction and 4-ply silicone boots, ensuring long-lasting reliability and improved engine bay appearance.
Sinister Diesel Radiator Pipe (SDGRADTUBECUMN) for 2010-2018 Cummins 5.9L
Factory coolant hoses fail over time, especially in the unforgiving environment of a tuned turbo diesel engine compartment. Eliminate this weak point and introduce some good looks under your hood with the Sinister Diesel Radiator Tube. With it’s aluminum construction and 4-ply silicone boots, you can rest easy knowing you have many miles and years of reliability to come.
Sinister Diesel Coolant Filtration System (w/WIX) (SDCOOLFIL67CW) for 2007.5-2012 Cummins 6.7L
Even brand-new or rebuilt engines can have contaminated coolant with particles like casting sand, metal shavings, and rust, which can reduce cooling efficiency and damage components like the water pump, EGR cooler, and oil cooler. The Sinister Diesel 6.7L Cummins Coolant Filter Kit helps maintain optimal cooling system performance by filtering out these contaminants. Made from 6061 billet aluminum, the kit includes all necessary mounts and fittings for installation. The filter boss has two inlet ports and one outlet port.
Sinister Diesel Coolant Filtration System (w/CAT) (SDCOOLFIL67CC) for 2007.5-2012 Cummins 6.7L
Even brand-new or rebuilt engines can have contaminated coolant with particles like casting sand, metal shavings, and rust, which can reduce cooling efficiency and damage components like the water pump, EGR cooler, and oil cooler. The Sinister Diesel 6.7L Cummins Coolant Filter Kit helps maintain optimal cooling system performance by filtering out these contaminants. Made from 6061 billet aluminum, the kit includes all necessary mounts and fittings for installation. The filter boss has two inlet ports and one outlet port.
Fleece Common Rail/VP44 Black Nylon Braided Coolant Bypass Hose (FPE-CLNTBYPS-HS-CRVP-BLK) for 1998.5-2018 Cummins 5.9L / 6.7L
The Fleece Performance Coolant Bypass Hose (FPE-CLNTBYPS-HS-CRVP-BLK) is a durable, high-performance upgrade for 1998.5–2018 Cummins 5.9L and 6.7L diesel engines. Designed to improve coolant flow and reduce pressure behind the cylinder head, it enhances engine reliability and temperature control under demanding conditions. Featuring a black nylon braided exterior for added durability and abrasion resistance, it fits both VP44 and Common Rail systems, offering a secure, leak-free connection for improved engine longevity and efficiency.
BD Diesel Xtruded Double-Stacked Auxiliary Trans Cooler Kit 1/2 In Tube (1030606-DS-12) for 1994-2016 Cummins 5.9L / 6.7L & 2001-2016 Duramax LB7 / LLY / LBZ / LMM / LML
The BD Diesel Xtruded Double-Stacked Auxiliary Trans Cooler Kit (1030606-DS-12) is a heavy-duty transmission cooling upgrade for 1994–2016 Cummins and 2001–2016 Duramax diesel engines. Made from durable aluminum with 1/2-inch tubing, its double-stacked, extruded design enhances heat dissipation and airflow, lowering transmission temperatures—especially during towing or hauling. Ideal for diesel truck owners seeking better performance and transmission durability in demanding conditions.
AEM Water Temp Sensor Kit,30-2012, 1/8 in. NPT
The AEM Water Temp Sensor Kit,30-2012, 1/8 in. NPT is a high-quality and reliable product designed to accurately measure the temperature of your vehicle’s coolant system. This kit includes a 1/8 inch NPT sensor, which is a common size used in many vehicles. It also comes with a connector and wiring harness for easy installation. With this sensor kit, you can monitor the temperature of your engine and ensure that it stays within a safe operating range. This is especially important for high-performance vehicles or those used in extreme conditions. The AEM Water Temp Sensor Kit is a must-have for any car enthusiast looking to keep their engine running at its best.
Industrial Injection Cummins Billet Turbo Oil Drain Plug (2C8601) – Fits 1989-2019 Dodge Cummins
Industrial Injection Cummins Billet Turbo Oil Drain Plug 1989-2019
Mishimoto High-Temperature Thermostat (MMTS-RAM-99H) fits 1999-2013 Cummins 5.9L/6.7L
The Mishimoto High-Temperature Thermostat is a high-quality replacement thermostat specifically designed for use in 1999-2013 Cummins 5.9L/6.7L engines. This thermostat is engineered to withstand the extreme temperatures and demands of heavy-duty diesel engines, making it the perfect upgrade for those looking to improve their vehicle’s performance and reliability.
Mishimoto Liquid Chill® ( MMRA-LC-5050F) Synthetic Engine Coolant, Premixed 1 Gallon
Liquid Chill Synthetic Engine Coolant (MMRA-LC-5050F) is a premixed solution designed for both diesel and gasoline engines. It uses a nontoxic propylene glycol base with POAT additives for extended service life. This coolant meets ASTM D6210 and ASTM D3306 standards while exceeding stock specifications. It provides protection against extreme temperatures and is safe for all water-cooled engines.
BD Diesel Killer Frost Plug Plate (1040023) for 2003-2018 Cummins 5.9L / 6.7L
The BD Diesel Killer Frost Plug Plate (1040023) is a durable aftermarket upgrade for 2003–2018 Cummins 5.9L and 6.7L diesel engines. It replaces factory frost plugs, which can fail under high pressure or extreme conditions, with a secure, leak-free bolted design. Ideal for performance or towing applications, it enhances cooling system reliability, making it a valuable upgrade for diesel enthusiasts and professionals.
Mishimoto Liquid Chill® (MMRA-LC-FULLF) Synthetic Engine Coolant, Full Strength 1 Gallon
Mishimoto Liquid Chill (MMRA-LC-FULLF) is a full-strength synthetic engine coolant designed for diesel and gasoline applications. It uses a nontoxic propylene glycol base with POAT additives for extended service life. This coolant meets ASTM D6210 and ASTM D3306 standards. It provides protection against extreme temperatures and is safe for all water-cooled engines.
