Chevy / GMC 3500 HD Duramax Parts & Accessories – Page 33 – FASS Motorsports

🚀 Just Launched - FASS System Motor Heatsinks

🚀 Just Launched - FASS Drop-In Series Diesel Fuel System for Cummins ISX and X15

Monitor your FASS Fuel Filter Life with FASS Connect!

Sold out

XDP
Wrinkle Black HD High Output Alternator 2007.5-2010 GM 6.6L Duramax LMM XD351 XDP

Regular price USD 477⁹⁰

View details
3% off

Wehrli
Wherli 17-19 L5P Duramax 4in Intake Resonator Pipe - Illusion Purple

Sale price USD 252²⁷ Regular price USD 260⁰⁷

View details
3% off

Wehrli
Wehrli WCFab 2006-2010 Duramax LBZ/LMM Thermostat Housing Kit - Candy Teal

Sale price USD 522⁹⁷ Regular price USD 539¹⁵

View details
3% off

Wehrli
Wehrli LML Duramax Turbo Compressor Inlet Billet Steel Flange

Sale price USD 38⁸¹ Regular price USD 40⁰¹

View details
3% off

Wehrli
Wehrli LLY / LBZ / LMM Duramax Turbo Compressor Inlet Billet Steel Flange

Sale price USD 38⁸¹ Regular price USD 40⁰¹

View details
3% off

Wehrli
Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

Sale price USD 40⁷⁵ Regular price USD 42⁰¹

View details
3% off

Wehrli
Wehrli LMM Duramax MAF Sensor Aluminum Weld Bung

Sale price USD 33⁹⁶ Regular price USD 35⁰¹

View details
3% off

Wehrli
Wehrli LML Duramax MAF Sensor Aluminum Weld Bung

Sale price USD 38⁸¹ Regular price USD 40⁰¹

View details
3% off

Wehrli
Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung

Sale price USD 33⁹⁶ Regular price USD 35⁰¹

View details
3% off

Wehrli
Wehrli LML Duramax Billet Aluminum Turbo Compressor Inlet Flange

Sale price USD 38⁸¹ Regular price USD 40⁰¹

View details
3% off

Wehrli
Wehrli LBZ/LMM Duramax Billet Aluminum Weld MAP Sensor Bung

Sale price USD 29¹¹ Regular price USD 30⁰¹

View details
3% off

Wehrli
Wehrli WCFab L5P Pass Side I/C Pipe Intercooler Outlet Flange O-Ring Seal

Sale price USD 1⁹³ Regular price USD 1⁹⁹

View details
3% off

Wehrli
Wehrli WCFab L5P VGT Turbo Flange O-Ring Seal

Sale price USD 1⁹³ Regular price USD 1⁹⁹

View details
3% off

Wehrli
Wehrli WCFab 20+ L5P Pass Side I/C Pipe Throttle Valve Flange O-Ring Seal

Sale price USD 1⁹³ Regular price USD 1⁹⁹

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Sparkle Granny Smith

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Semi-Gloss Black

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Sparkle Copper

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Sparkle Bomber Orange

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - WCFab Red

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Kiwi Green

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Illusion Purple

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Illusion Blueberry

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Gloss White

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - WCFab Grey

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Gun Metal

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Gloss Black

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Fine Texture Black

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Flat Black

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Deore Gold

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Chevy Orange

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Cat Yellow

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli LB7/LLY/LBZ/LMM Duramax Twin/Compound Turbocharger Pedestal

Sale price USD 290¹¹ Regular price USD 299⁰⁸

View details
3% off

Wehrli
Wehrli L5P T4 Duramax Pedestal Adapter Kit

Sale price USD 412³⁶ Regular price USD 425¹¹

View details
3% off

Wehrli
Wehrli L5P Duramax Twin/Compound Turbocharger Pedestal

Sale price USD 299⁸¹ Regular price USD 309⁰⁸

View details
3% off

Wehrli
Wherli 17-19 L5P Duramax 4in Intake Resonator Pipe - Bengal Red

Sale price USD 228⁰¹ Regular price USD 235⁰⁶

View details
3% off

Wehrli
Wehrli LML Duramax Twin Turbo Pedestal

Sale price USD 290¹¹ Regular price USD 299⁰⁸

View details
3% off

Wehrli
Wehrli 2017-2019 Chevy 6.6L L5P Duramax Upper Coolant Pipe - Sparkle Bomber Orange

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details
3% off

Wehrli
Wehrli 2017-2019 Chevy 6.6L L5P 4in Intake Kit Stage 2 - Sparkle Copper

Sale price USD 664⁶³ Regular price USD 685¹⁸

View details
3% off

Wehrli
Wehrli 2020-2025 Duramax L5P High Flow Intake Bundle Kit - Sparkle Copper

Sale price USD 726⁷³ Regular price USD 749²⁰

View details
Wehrli
Wehrli 2001-2004 LB7 Duramax Billet Manifold & 2" Stainless Steel Up Pipe Kit

Regular price USD 1,929⁰⁰

View details
3% off

Wehrli
Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Deore Gold

Sale price USD 194⁰⁵ Regular price USD 200⁰⁵

View details
3% off

Wehrli
Wehrli 2017-2019 L5P / 2019+ L5D Duramax OEM Placement Coolant Tank Kit

Sale price USD 493⁸⁶ Regular price USD 509¹⁴

View details
3% off

Wehrli
Wehrli 2020-2024 Duramax L5P Stage 3 High Flow Bundle Kit WCFab Grey

Sale price USD 1,954¹¹ Regular price USD 2,014⁵⁴

View details
3% off

Wehrli
Wehrli 2001-2007 Duramax LB7/LLY/LBZ Allison 4x4 Transfer Case Brace - WCFab Red

Sale price USD 203⁷⁵ Regular price USD 210⁰⁶

View details
3% off

Wehrli
Wehrli 2007.5-2010 LMM Duramax High Flow 3in Y-Bridge Kit- WCFab Red

Sale price USD 1,043⁰³ Regular price USD 1,075²⁹

View details
3% off

Wehrli
Wehrli 2020-2024 Chevy/GMC 2500/3500 6.6L Duramax L5P Stage 2 High Flow Bundle Kit - Kiwi Green

Sale price USD 1,512⁶⁴ Regular price USD 1,559⁴²

View details
3% off

Wehrli
Wehrli Duramax LBZ/LMM 3in. Y-Bridge (Bridge Only) - Raw Finish

Sale price USD 522⁹⁷ Regular price USD 539¹⁵

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Candy Teal

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Candy Red

Sale price USD 198⁹⁰ Regular price USD 205⁰⁶

View details
3% off

Wehrli
Wehrli L5P Duramax Thermostat Housing - Bengal Silver

Sale price USD 179⁵⁰ Regular price USD 185⁰⁵

View details

© 2026 FASS Motorsports. All Rights Reserved.