Cooling

Drivetrain

Electrical

Engine Upgrades

Exhaust

Exterior

Fuel System

Intake System

Interior

Lighting

Suspension

Tuners & Programmers

Turbochargers

Fleece Donaldson P553203 Fuel Filters – 12 Pack (FPE-DON-P553203-12) for 1998.5-2018 Cummins 5.9L / 6.7L & 2011-2024 Duramax LML / L5P

SKU: FPE-DON-P553203-12
$293.99

The Fleece Donaldson P553203 Fuel Filters (12-Pack) provide high-quality filtration for diesel trucks, compatible with 1998.5–2018 Cummins 5.9L/6.7L and 2011–2024 Duramax LML/L5P engines. Manufactured by Donaldson and distributed by Fleece Performance, these filters meet or exceed OEM standards, ensuring engine protection, fuel system integrity, and long-term reliability. Ideal for fleet maintenance or extended use, the 12-pack offers excellent value and convenience.

Fleece Replacement Thermostat Housing with Auxiliary Port (FPE-CUMM-TH-1318) for 1998.5-2018 Cummins 5.9L / 6.7L

SKU: FPE-CUMM-TH-1318
$143.31

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 Turbocharger Installation Kit (FPE-CUMM-HX35-INST-KIT-9402) for 1994-2002 Cummins 5.9L w/HX35 Turbochargers

SKU: FPE-CUMM-HX35-INST-KIT-9402
$39.68

The Fleece Turbocharger Installation Kit (FPE-CUMM-HX35-INST-KIT-9402) is a complete, high-quality solution for installing or replacing HX35 turbochargers on 1994–2002 Dodge Ram trucks with 5.9L Cummins diesel engines. It includes premium gaskets, seals, and hardware that meet or exceed OEM standards, ensuring a secure, leak-free fit. Designed for durability and easy installation, the kit improves turbo performance and enhances reliability, making it ideal for both upgrades and maintenance.

Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) for CP3 fuel pumps

SKU: FPE-CP3-RTRN
$17.59

The Fleece 3/8″ CP3 Return Fitting (FPE-CP3-RTRN) is a durable, high-quality aftermarket part designed for CP3 fuel pumps. It ensures a secure, leak-free return line connection to support optimal fuel system performance. Compatible with various fuel setups, it’s ideal for performance upgrades or maintenance. Made by Fleece Performance Engineering, it offers easy installation and reliable operation under demanding conditions.

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

SKU: FPE-CLNTBYPS-HS-CRVP-SS
$83.74

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 Kit w/Stainless Steel Braided Line (FPE-CLNTBYPS-CUMMINS-VP-SS) for 1998.5-2002 Cummins 5.9L

SKU: FPE-CLNTBYPS-CUMMINS-VP-SS
$395.80

The Fleece Coolant Bypass Kit with Stainless Steel Braided Line is an aftermarket upgrade for 1998.5–2002 Dodge Ram trucks with the 5.9L Cummins diesel engine. It improves engine cooling by rerouting coolant from the rear cylinders to the thermostat housing, addressing a common issue of uneven cooling that can lead to head gasket failure. The kit features a durable stainless steel braided line, is easy to install, and is ideal for performance or heavy-duty applications, enhancing engine longevity and efficiency.

Fleece Coolant Bypass Service Kit (FPE-CLNTBYPS-CUMMINS-SER-KIT) 1994-2024 Cummins 5.9L / 6.7L

SKU: FPE-CLNTBYPS-CUMMINS-SER-KIT
$30.86

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 Freedom Series Cylinder Head – Street – HD (FPE-61-10009-HD) for 1998.5-2002 Cummins 5.9L

SKU: FPE-61-10009-HD
$3,148.95

The Fleece Freedom Series Cylinder Head – Street – HD (FPE-61-10009-HD) is a heavy-duty, high-performance replacement for 1998.5–2002 Dodge Ram trucks with the 5.9L Cummins engine. Built for durability and reliability under performance tuning and towing conditions, it features upgraded components like hardened exhaust seats and improved coolant flow. Fully assembled with new valves, springs, seals, and retainers, it offers a direct bolt-on upgrade for enhanced engine performance and longevity—ideal for street-driven Cummins owners seeking dependable and improved top-end performance.

Fleece Tall Stack Cover – 5″ Diameter – Straight Cut (FPE-STK-CVR-5-S) fits 5″ stack

SKU: FPE-STK-CVR-5-S
$48.50

The Fleece Tall Stack Cover (FPE-STK-CVR-5-S) is a durable protective cover designed for 5-inch straight-cut exhaust stacks. It provides a snug, tall fit to shield stacks from debris, moisture, and environmental elements, helping prevent corrosion and blockages. Ideal for trucks and performance vehicles, it helps extend the life of the exhaust system.

Fleece Tall Stack Cover – 6″ Diameter – Straight Cut (FPE-STK-CVR-6-S) fits 6″ stack

SKU: FPE-STK-CVR-6-S
$49.60

The Fleece Tall Stack Cover – 6″ Diameter – Straight Cut (FPE-STK-CVR-6-S) is a high-quality protective cover designed to fit 6-inch exhaust stacks with a straight-cut top. Crafted from durable materials, this cover helps prevent debris, moisture, and unwanted pests from entering the exhaust stack when the vehicle is not in use. Ideal for trucks with vertical exhaust stacks, the Fleece Tall Stack Cover ensures longevity and optimal performance by keeping the system clean and protected. Its snug fit and easy installation make it a practical and essential accessory for maintaining your exhaust system.

Fleece Tall Stack Cover – 6″ Diameter – Miter Cut (FPE-STK-CVR-6-45) fits 6″ stack

SKU: FPE-STK-CVR-6-45
$49.60

The Fleece Tall Stack Cover – 6″ Diameter – Miter Cut (FPE-STK-CVR-6-45) is a durable cover designed to protect 6-inch exhaust stacks. Featuring a 45-degree miter cut for a secure fit, it shields against debris, moisture, and pests when not in use. Made from high-quality materials, it helps maintain exhaust system performance and longevity in all weather conditions, making it a practical choice for truck owners and operators.

Fleece Tall Stack Cover – 5″ Diameter – Miter Cut (FPE-STK-CVR-5-45) fits 5″ stack

SKU: FPE-STK-CVR-5-45
$48.50

The Fleece Tall Stack Cover (FPE-STK-CVR-5-45) is designed for 5-inch diameter exhaust stacks with a miter cut. Made from fleece, it protects stacks from moisture, debris, and pests, helping prevent corrosion and extend system life. Ideal for trucks, generators, and industrial equipment, it offers a snug fit and easy use for effective maintenance.

Fleece Tall Stack Cover – 8″ Diameter – Straight Cut (FPE-STK-CVR-8-S) fits 8″ stack

SKU: FPE-STK-CVR-8-S
$48.50

The Fleece Tall Stack Cover – 8″ Diameter – Straight Cut (FPE-STK-CVR-8-S) is a durable, weather-resistant cover designed for 8-inch exhaust stacks on trucks and heavy-duty vehicles. It provides a secure fit to protect against debris, moisture, and harsh conditions when not in use. Featuring a sleek straight-cut design, it is easy to install and remove, helping to extend the life of exhaust components.

BD Diesel Valve Body Transducer (56041403AA) for 1996-1999 Cummins 5.9L w/47RE transmission

SKU: 56041403AA
$150.15

The BD Diesel Valve Body Transducer (56041403AA) is a high-quality replacement part for 1996–1999 Dodge Ram trucks with the 5.9L Cummins engine and 47RE automatic transmission. It regulates hydraulic pressure for smooth shifting and optimal transmission performance. Built to exceed OEM standards, it offers enhanced durability and reliability, making it a suitable upgrade or replacement for worn sensors. Ideal for maintenance or performance improvement.

BD Diesel Sway Bar End Link Bushing Kit (1312051) for 2000-2009 Cummins 5.9L / 6.7L

SKU: 1312051
$50.35

The BD Diesel Sway Bar End Link Bushing Kit (1312051) is a durable replacement designed for 2000–2009 Dodge Ram trucks with Cummins 5.9L or 6.7L engines. Featuring long-lasting polyurethane bushings, it improves suspension geometry, handling, and driving stability by reducing body roll and steering looseness. Ideal for daily driving, towing, or performance use, this kit offers a cost-effective way to maintain suspension performance.

BD Diesel 20-degree Exhaust Manifold T4 Mount (1045995-T4) for 1998.5-2007 Cummins 5.9L

SKU: 1045995-T4
$678.25

The BD Diesel 20-Degree Exhaust Manifold T4 Mount (1045995-T4) is a high-performance upgrade for 1998.5–2007 Dodge Ram trucks with 5.9L Cummins engines. Designed with a 20-degree angle to fit larger T4 turbochargers, it improves exhaust flow, reduces backpressure, and enhances turbo response and engine efficiency. Made from high-silicon ductile iron, it offers durability and heat resistance. Its design ensures even exhaust temperatures across cylinders, making it ideal for performance and heavy-duty use.

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BD Diesel Injector Set 24-valve ISB 50hp (1075821) for 1998-2002 Cummins 5.9L

SKU: 1075821
$932.35

Flow-enhanced exchange 24-valve ISB fuel injectors supporting 50hp up to 200hp. New nozzle design with the highest degree of accuracy and EDM machined orifices which are de-burred by an abrasive extrusion process enhances both fuel flow and atomization.

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BD Diesel Injector Set 24-valve ISB 125hp (1075824) for 1998-2002 Cummins 5.9L

SKU: 1075824
$1,111.90

Flow-enhanced exchange 24-valve ISB fuel injectors supporting 50hp up to 200hp. New nozzle design with the highest degree of accuracy and EDM machined orifices which are de-burred by an abrasive extrusion process enhances both fuel flow and atomization.

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BD Diesel Injector Set 24-valve ISB 150hp (1075825) for 1998-2002 Cummins 5.9L

SKU: 1075825
$1,184.35

Flow-enhanced exchange 24-valve ISB fuel injectors supporting 50hp up to 200hp. New nozzle design with the highest degree of accuracy and EDM machined orifices which are de-burred by an abrasive extrusion process enhances both fuel flow and atomization.

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BD Diesel Injector Set 24-valve ISB 200hp (1075826) for 1998-2002 Cummins 5.9L

SKU: 1075826
$1,390.15

Flow-enhanced exchange 24-valve ISB fuel injectors supporting 50hp up to 200hp. New nozzle design with the highest degree of accuracy and EDM machined orifices which are de-burred by an abrasive extrusion process enhances both fuel flow and atomization.

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Industrial Injection 2nd Gen Quick Spool Compound Turbo Kit (229402) for 1994-2002 Cummins 5.9L 12V

SKU: 229402
$6,187.95

The Industrial Injection 2nd Gen Quick Spool Compound Turbo Kit (229402) is a performance upgrade for 1994–2002 5.9L 12V Cummins engines. It combines a small turbo for quick spool-up and a larger turbo for high-end power, reducing lag and improving airflow, boost response, and overall efficiency. Ideal for street and towing, the kit enhances horsepower and torque while maintaining reliability, making it a top choice for diesel performance enthusiasts.

S&B Intake Replacement Filter Dry Extendable (KF-1000D) for 1994-2007 Cummins 5.9L

SKU: KF-1000D
$72.45

The S&B Intake Replacement Filter Dry Extendable (KF-1000D) is a high-quality air filter designed specifically for 1994-2007 Cummins 5.9L engines. This innovative filter is a direct replacement for the stock intake filter, providing improved performance and protection for your engine.

S&B OE Performance Replacement Filter Cotton Cleanable 8-ply (66-2056) for 1994-2002 Cummins 5.9L

SKU: 66-2056
$71.90

The OE Performance Replacement Filter Cotton Cleanable 8-ply (66-2056) is the perfect choice for those looking to upgrade their 1994-2002 Cummins 5.9L engine. This high-quality filter is designed to provide superior filtration and increased airflow, resulting in improved engine performance and fuel efficiency.