Your vehicle This part is compatible with your This part is not compatible with your
2003 GMC Sierra 3500 - 6.6L Diesel
27 Results found
Filter Applied: Gauges & data loggers
fluid cooling
Oil Cooler Upgrade Kit
2001-2007 and 2011-2019 Chevy/GMC 2500/3500 6.6L Duramax
31% better heat reduction over stock
fluid cooling
Ram-Air Transmission Pan
2001-2019 Chevy/GMC 2500/3500 6.6L Diesel
with 5 or 6 speed Allison 1000 Transmission
Heat kills transmissions.
That's why we engineered the Banks Ram-Air™ Transmission Pan. Patent Pending
chips tuners monitors
EconoMind Diesel Tuner
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax
Gain +100hp/+230lb-ft
10% more MPG
chips tuners monitors
Six-Gun Diesel Tuner
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax
Gain +127hp/+345lb-ft
28% quicker 0-60
chips tuners monitors
AutoMind 2 Programmer
1999-2016 Chevy/GMC Trucks Diesel/Gas, (except Motorhome or Cab & Chassis)
Power, Fuel Economy and Performance
cold air intakes
Air Filter Element
1999-2016 Chevy/GMC 2500/3500 Diesel/Gas
Easy to install replacement air filter (oiled or dry)
cold air intakes
Pre-Filter
1999-2016 Chevy/GMC
Air Filter PN: 42138 and 42138-D
Protects filter from large debris & mud
cold air intakes
Banks Ram-Air®
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax
Outflows stock by 57%
Inhales cold air lowering EGT and soot
exhaust systems
Monster Exhaust System
2002-2005 Chevy/GMC 2500/3500 6.6L Duramax, Standard Cab Long Bed w/Cat converter
Outflows stock by 176% for more power/lower EGTs
exhaust systems
Monster Exhaust System
2002-2005 Chevy/GMC 2500/3500 6.6L Duramax, Extended Cab Long Bed and Crew Cab Long Bed w/Cat converter
Outflows stock by 176% for more power/lower EGTs
exhaust systems
Straight Pipe Kit
Monster-Muffler Replacement
2001-2007 Duramax & 1994-2007 Ford Powerstroke
exhaust systems
Head Pipe Kit
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax
exhaust systems
Exhaust Muffler
Superior Flow and Rich, Throaty Sound
exhaust systems
Monster Exhaust System
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax, Standard Cab Long Bed without Cat Converter
Outflows stock by 176% for more power/lower EGTs
exhaust systems
Monster Exhaust System
2002-2005 Chevy/GMC 2500/3500 6.6L Duramax, Extended Cab Short Bed and Crew Cab Short Bed w/Cat converter
Outflows stock by 176% for more power/lower EGTs
exhaust systems
Monster Exhaust System
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax, Extended Cab Short Bed and Crew Cab Short Bed without Cat Converter
Outflows stock by 176% for more power/lower EGTs
exhaust systems
Monster Sport Exhaust
2001-2005 Chevy/GMC 2500/3500 6.6L Duramax
Outflows stock by 176% for more power/lowers EGTs
exhaust systems
Straight Pipe Kit - 36in
Monster-Muffler Replacement
2001-2007 Duramax & 1998-2007 Cummins
exhaust systems
Monster Exhaust System
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax, Extended Cab Long Bed and Crew Cab Long Bed without Cat Converter
Outflows stock by 176% for more power/lower EGTs
intercoolers boost tubes
Intercooler Upgrade
2002-2004 Chevy/GMC 2500/3500 6.6L Duramax
Improves Power, Durability & Fuel Economy
exhaust brakes
Banks Brake
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax, Banks Exhaust
Control downhill speed without killing your brakes
differential covers
Ram-Air Differential Cover Kit
2001-2019 Chevy/GMC, 2003-2018 RAM with AAM 11.5" or 11.8" 14 Bolt Rear Axle
2019-2024 RAM 6.4L See Fitment Note
Patented design cools 5X better than flat-backs
turbo systems accessories
Compressor Relocation Kit
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax
turbo systems accessories
BigHead Actuator
2001-2004 Chevy/GMC 2500/3500 6.6L Duramax
For higher peak boost, sooner
mechanical gauges
Boost Gauge Kit
1994-2003 Ford Truck 7.3L Power Stroke, and 2001-2005 Chevy/GM 6.6L Duramax
Superior Precision & Durability
gauge mounts
Pillar Mount
2000-2005 Chevy/GMC 2500/3500
Mounts gauge for a clean, finished look
gauge mounts
Pillar Mount
1999-2007 Chevy/GMC 2500/3500
Mounts gauge for a clean, finished look
