Cooling
Fleece Coolant Bypass Kit w/Stainless Steel Braided Line (FPECLNTBYPSCUMMINS0305SS) for 2003-2005 Cummins 5.9L w/AT
The Fleece Coolant Bypass Kit (FPECLNTBYPSCUMMINS0305SS) is a performance upgrade for 2003–2005 Dodge Ram trucks with 5.9L Cummins engines and automatic transmissions. It improves engine cooling by redirecting coolant flow from the rear cylinders, helping prevent overheating and head gasket issues. Featuring a durable stainless steel braided line, the kit offers long-lasting resistance to heat, pressure, and abrasion. Designed for easy installation, it is ideal for enhancing engine reliability and thermal efficiency, especially under high power or towing conditions.
Fleece Multiuse Sensor Pigtail (FPE-HAR-MU-PT-5) for 2001-2022 Duramax LB7 / LLY / LBZ / LMM / LML / L5P & 1994-2022 Cummins 5.9L / 6.7L
The Fleece Multiuse Sensor Pigtail (FPE-HAR-MU-PT-5) is a durable, weatherproof wiring solution compatible with 2001–2022 Duramax and 1994–2022 Cummins diesel engines. Featuring OEM-style connectors, it serves as a reliable replacement or upgrade for various sensor connections, ideal for both repairs and custom builds.
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 Replacement EPDM coolant bypass hose (FPE-CLNTBYPS-HS-HC-0305) for 2003-2005 Cummins 5.9L
The Fleece Replacement EPDM Coolant Bypass Hose (FPE-CLNTBYPS-HS-HC-0305) is a high-performance aftermarket hose designed for 2003–2005 Dodge Ram trucks with 5.9L Cummins engines. Made from durable EPDM rubber, it resists heat, ozone, and chemicals, ensuring long-lasting performance. This hose replaces the factory coolant bypass hose to maintain proper coolant flow, prevent overheating, and enhance cooling efficiency—especially in high-performance or towing conditions. It’s engineered for a precise fit and reliable sealing.
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 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.
Sinister Diesel Coolant Filtration System (w/WIX) (SDCOOLFIL5903W) for 2003-2007 Cummins 5.9L
The Sinister Diesel Coolant Filtration Kit is designed for 2003-2007 Dodge Cummins 5.9L engines to remove contaminants from the cooling system, improving engine performance and longevity. It helps eliminate harmful particles like casting sand, metal shavings, rust, and mineral deposits that can damage the EGR and oil coolers. This direct-fit kit ensures easy installation without modifications and includes all necessary hardware and instructions for a hassle-free setup.
Sinister Diesel Coolant Filtration System (w/CAT) (SDCOOLFIL5903C) for 2003-2007 Cummins 5.9L
The Sinister Diesel Coolant Filtration Kit is designed for 2003-2007 Dodge Cummins 5.9L engines to remove contaminants from the cooling system, improving engine performance and longevity. It helps eliminate harmful particles like casting sand, metal shavings, rust, and mineral deposits that can damage the EGR and oil coolers. This direct-fit kit ensures easy installation without modifications and includes all necessary hardware and instructions for a hassle-free setup.
Fleece MOPAR Pressure Sensor Pigtail (FPE-HAR-MOPAR-PS-0209) for 2002-2009 Cummins 5.9L / 6.7L
The Fleece MOPAR Pressure Sensor Pigtail (FPE-HAR-MOPAR-PS-0209) is a direct replacement wiring harness for 2002–2009 Dodge Ram trucks with 5.9L or 6.7L Cummins diesel engines. It replaces damaged factory connectors for the MOPAR pressure sensor, providing a secure, OEM-style connection. Designed for easy, plug-and-play installation, it helps restore accurate sensor function and prevent diagnostic errors, ensuring reliable engine performance.
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.
Mishimoto Water Temperature Sensor Adapter – 32mm (MMWHS-32-BK)
The Mishimoto Water Temperature Sensor Adapter 32mm (MMWHS-32-BK) is a high-quality and versatile component that allows for easy installation of aftermarket water temperature sensors in a variety of vehicles. This adapter is designed to fit onto a 32mm coolant hose and provides a secure and leak-free connection for the sensor.
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.
Fleece Coolant Bypass Manual Transmission (FPE-CLNTBYPS-CUMMINS-MAN) for 2003-2007 Cummins 5.9L
The Fleece Coolant Bypass for Manual Transmission (FPE-CLNTBYPS-CUMMINS-MAN) is an aftermarket upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins diesel engines and manual transmissions. It improves coolant flow to the rear engine cylinders, addressing overheating issues and enhancing engine longevity. Designed for durability and easy installation, the kit includes all necessary components and is favored by Cummins owners for boosting performance and reliability.
BladeRunner Street Series Radiator (46-52061)
The BladeRunner Street Series Radiator (46-52061) is a top-of-the-line radiator designed for high-performance vehicles. It is crafted with precision and attention to detail, using advanced technology and quality materials to ensure optimal cooling efficiency. The sleek and modern design of the radiator not only enhances the overall look of the engine compartment, but also improves airflow for maximum cooling. The BladeRunner Street Series Radiator is a popular choice among car enthusiasts and racers due to its superior performance and durability. With its innovative features and superior construction, this radiator is a must-have for any high-performance vehicle.
Industrial Injection Cummins Billet Turbo Oil Drain Plug (2C8601) – Fits 1989-2019 Dodge Cummins
Industrial Injection Cummins Billet Turbo Oil Drain Plug 1989-2019
Fleece Coolant Bypass Manual Transmission w/Stainless Steel Braided Line (FPE-CLNTBYPS-CUMMINS-MAN-SS) for 2003-2007 Cummins 5.9L
The Fleece Coolant Bypass for Manual Transmission (FPE-CLNTBYPS-CUMMINS-MAN-SS) is a premium upgrade engineered for 2003-2007 Dodge Ram trucks with the 5.9L Cummins diesel engine and manual transmission. This stainless steel kit effectively solves the common issue of uneven coolant distribution, which often results in excessive heat buildup at the rear cylinders—an issue that can lead to premature head gasket failure. By rerouting coolant from the back of the cylinder head, the bypass promotes uniform cooling across all six cylinders, enhancing engine reliability and thermal efficiency. Designed for compatibility with both stock and high-performance setups, the kit includes all required components for a straightforward installation that doesn’t demand permanent engine modifications, making it an ideal choice for enthusiasts and professionals alike.
MMRA-LC
Mishimoto Replacement Transmission Oil Cooler (MMTC-RAM-03TQ) fits 2003-2007 Cummins 5.9L
The Mishimoto Replacement Transmission Oil Cooler (MMTC-RAM-03TQ) is a high-quality and durable aftermarket part designed specifically for 2003-2007 Cummins 5.9L engines. It is the perfect solution for those looking to upgrade or replace their current transmission oil cooler for improved performance and longevity.
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.
