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Pacbrake Engineered for Safety and Performance

GM Duramax Exhaust Brake Application Guide

YearProductsApplicationPart No.US/CDN Retail $
Exhaust Brake Kits and Required Parts
2001 - 2005 DURAMAX With Isuzu 6.6L Engines4" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-Line Mount, Comes With Air Tank/Hose And Accessory KitLB7/LLY With Automatic Transmission Without Optional 2nd Alternator (eighth Digit Of VIN Is "1" Or "2")C40075$1375.00
2001 - 2005 DURAMAX With Isuzu 6.6L Engines4" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-Line Mount, Comes With Air Tank/Hose And Accessory KitLB7/LLY With Automatic Transmission With Optional 2nd Alternator (eighth Digit Of VIN Is "1" Or "2")C40076$1375.00
2001 - 2005 DURAMAX With Isuzu 6.6L Engines4" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-Line Mount, Comes With Air Tank/Hose And Accessory Kit2001 - 2005 LB7/LLY With Standard Transmission Without Optional 2nd Alternator (Eighth Digit Of VIN Is "1" Or "2")C40073$1375.00
2001 - 2005 DURAMAX With Isuzu 6.6L Engines4" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-Line Mount, Comes With Air Tank/Hose And Accessory Kit2001 - 2005 LB7/LLY With Standard Transmission With Optional 2nd Alternator (Eighth Digit Of VIN Is "1" Or "2")C40074$1375.00
Accessories
2001 - 2005 DURAMAX With Isuzu 6.6L EnginesSuperlube - Exhaust Brake MaintenanceAll Exhaust BrakesC18037$6.78
2001 - 2005 DURAMAX With Isuzu 6.6L EnginesSwitch-Pac, Shifter Mounted Switch - 3/4" Shaft2001 - 2002 Standard Transmission OnlyC18040$40.00
Exhaust Brake Kits and Required Parts
2006 + Newer DURAMAX With Isuzu 6.6L Engines4" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-Line Mount, Comes With Air Tank/Hose And Accessory KitLLY/LBZ With Automatic Transmission Without Optional 2nd Alternator (eighth Digit Of VIN Is "D")C40070$1375.00
2006 + Newer DURAMAX With Isuzu 6.6L Engines4" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-Line Mount, Comes With Air Tank/Hose And Accessory KitLLY/LBZ With Automatic Transmission With Optional 2nd Alternator (eighth Digit Of VIN Is "D")C40071$1375.00
Accessories
2006 + Newer DURAMAX With Isuzu 6.6L EnginesSuperlube - Exhaust Brake MaintenanceAll Exhaust BrakesC18037$6.78

NOTE: RPO code (LLY, LBZ, LB7) can be found on the information decal in the glove box
NOTE: All above kits are for vehicles with a factory exhaust system. For vehicles with an aftermarket 4" O.D. exhaust system you will need two adapters (C11340 x 2, $83.86 US/CDN)