LB7 Duramax Parts
Parts for the LB7 Duramax (2001 to 2004).
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ATS Diesel 2001-02 GM LCT1000 Performance Valve Body Assembly
ATS DieselOriginal price $879.99 - Original price $879.99Original price$879.99$879.99 - $879.99Current price $879.99| /ATS Model 3039004248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...
View full detailsOriginal price $879.99 - Original price $879.99Original price$879.99$879.99 - $879.99Current price $879.99| / -
ATS Diesel 2001-04 ATS LCT-1000 5-Speed Stage 6 Transmission Rebuild kit
ATS DieselOriginal price $3,564.99 - Original price $3,564.99Original price$3,564.99$3,564.99 - $3,564.99Current price $3,564.99| /ATS Model 31390642482001 to Early 2004 GM Allison 5 speed Kit (Stage 6).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tr...
View full detailsOriginal price $3,564.99 - Original price $3,564.99Original price$3,564.99$3,564.99 - $3,564.99Current price $3,564.99| / -
Fleece Performance 01-10 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line
Fleece PerformanceOriginal price $0.00 - Original price $0.00Original price $0.00$139.99$139.99 - $139.99Current price $139.99| /Fleece Performance Model FPE-TL-LB7-LMM-LONG-SER Fleece Performance 01-10 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line ...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$139.99$139.99 - $139.99Current price $139.99| / -
Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line
Fleece PerformanceOriginal price $0.00 - Original price $0.00Original price $0.00$79.99$79.99 - $79.99Current price $79.99| /Fleece Performance Model FPE-TL-LB7-LLY-SHORT-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line...
View full detailsOriginal price $0.00 - Original price $0.00Original price $0.00$79.99$79.99 - $79.99Current price $79.99| / -
V2 Steering Stabilizer | Multiple Makes & Models (Chevy/GMC/Jeep)
Rough CountryOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
V2 Rear Shocks | 0-3.5" | Chevy/GMC 2500HD/3500HD (01-26)
Rough CountryOriginal price $259.95 - Original price $259.95Original price$259.95$259.95 - $259.95Current price $259.95| /Whether youre tackling tough terrain or smooth city streets, Rough Countrys Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering i...
View full detailsOriginal price $259.95 - Original price $259.95Original price$259.95$259.95 - $259.95Current price $259.95| / -
V2 Steering Stabilizer | 0-3 Inch Lift | Chevy/GMC 1500 Truck/Tahoe/Yukon 4WD
Rough CountryOriginal price $134.95 - Original price $134.95Original price$134.95$134.95 - $134.95Current price $134.95| /Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...
View full detailsOriginal price $134.95 - Original price $134.95Original price$134.95$134.95 - $134.95Current price $134.95| / -
V2 Front Shocks | 0-4" | Chevy/GMC 2500HD 2WD/4WD (01-10)
Rough CountryOriginal price $259.95 - Original price $259.95Original price$259.95$259.95 - $259.95Current price $259.95| /Whether youre tackling tough terrain or smooth city streets, Rough Countrys Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering i...
View full detailsOriginal price $259.95 - Original price $259.95Original price$259.95$259.95 - $259.95Current price $259.95| / -
M1 Monotube Rear Shocks | 5-7" | Chevy/GMC 2500HD/3500HD (01-26)
Rough CountryOriginal price $179.95 - Original price $179.95Original price$179.95$179.95 - $179.95Current price $179.95| /Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...
View full detailsOriginal price $179.95 - Original price $179.95Original price$179.95$179.95 - $179.95Current price $179.95| / -
N3 Front Shocks | 5.5-7" | Chevy/GMC 2500HD 2WD/4WD (01-10)
Rough CountryOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
N3 Front Shocks | 0-4" | Chevy/GMC 2500HD 2WD/4WD (01-10)
Rough CountryOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
N3 Rear Shocks | 3.5-7.5" | Chevy/GMC 2500HD/3500HD (01-26)
Rough CountryOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
N3 Rear Shocks | 0-3" | Chevy/GMC 2500HD/3500HD (01-26)
Rough CountryOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
N3 Front Shocks | 4.5-5" | Chevy/GMC 2500HD 2WD/4WD (01-10)
Rough CountryOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
N3 Steering Stabilizer | Multiple Makes & Models (Chevy/GMC/Jeep)
Rough CountryOriginal price $39.95 - Original price $39.95Original price$39.95$39.95 - $39.95Current price $39.95| /Reduce bump steer and improve ride quality with Rough Country's Steering Stabilizer for Jeep TJ, YJ, XJ, ZJ, WJ models. This nitrogen-charged N3 St...
View full detailsOriginal price $39.95 - Original price $39.95Original price$39.95$39.95 - $39.95Current price $39.95| / -
Rough Country 95 Series Wheel | One-Piece | Gloss Black Machined | 20x10 | 8x6.5 | -19mm
Rough CountryOriginal price $329.95 - Original price $329.95Original price$329.95$329.95 - $329.95Current price $329.95| /Set yourself apart from the pack with Rough Countrys One-Piece Series 95 Wheels. This 8-spoke black and machined wheel offers an incredible look th...
View full detailsOriginal price $329.95 - Original price $329.95Original price$329.95$329.95 - $329.95Current price $329.95| / -
Rough Country 96 Series Wheel | One-Piece | Gloss Black | 20x10 | 8x6.5 | -19mm
Rough CountryOriginal price $314.95 - Original price $314.95Original price$314.95$314.95 - $314.95Current price $314.95| /Set yourself apart from the pack with Rough Countrys One-Piece Series 96 Wheels. This 8-spoke black and machined wheel offers an incredible look th...
View full detailsOriginal price $314.95 - Original price $314.95Original price$314.95$314.95 - $314.95Current price $314.95| / -
Rough Country 86 Series Wheel | One-Piece | Gloss Black | 20x10 | 8x6.5 | -19mm
Rough CountryOriginal price $349.95 - Original price $349.95Original price$349.95$349.95 - $349.95Current price $349.95| /Set yourself apart from the pack with Rough Countrys One-Piece Series 86 Wheels. This 8-spoke black and machined wheel offers an incredible look th...
View full detailsOriginal price $349.95 - Original price $349.95Original price$349.95$349.95 - $349.95Current price $349.95| / -
ATS Diesel 2001 to Early 2010 GM Duramax Five Star Torque Converter - Viskus Clutch Mid Stall
ATS DieselOriginal price $1,509.99 - Original price $1,509.99Original price$1,509.99$1,509.99 - $1,509.99Current price $1,509.99| /ATS Model 3029504248Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter...
View full detailsOriginal price $1,509.99 - Original price $1,509.99Original price$1,509.99$1,509.99 - $1,509.99Current price $1,509.99| / -
ATS Diesel Allison Billet Input Shaft
ATS DieselOriginal price $814.99 - Original price $814.99Original price$814.99$814.99 - $814.99Current price $814.99| /ATS Model 3049104248This billet steel input shaft is made to fix a weak link in your GM Duramax truck with Allison transmission.Details: Input Sha...
View full detailsOriginal price $814.99 - Original price $814.99Original price$814.99$814.99 - $814.99Current price $814.99| / -
ATS Diesel 2001-2010 GM TripleLok Torque Converter
ATS DieselOriginal price $1,299.99 - Original price $1,299.99Original price$1,299.99$1,299.99 - $1,299.99Current price $1,299.99| /ATS Model 3029304248The TripleLok Torque Converter for 2001 to 2010 Allison is the only Diesel torque converter on the market that has been awarded...
View full detailsOriginal price $1,299.99 - Original price $1,299.99Original price$1,299.99$1,299.99 - $1,299.99Current price $1,299.99| / -
ATS Diesel 2001-2010 ATS manufactured Allison C5 clutch pack
ATS DieselOriginal price $314.99 - Original price $314.99Original price$314.99$314.99 - $314.99Current price $314.99| /ATS Model 30880542482001-2010 Allison C5 clutch packApplication: 2001-2010 2500/3500 Duramax GM Light Duty Diesel
Original price $314.99 - Original price $314.99Original price$314.99$314.99 - $314.99Current price $314.99| / -
ATS Diesel GM Billet Flexplate (SFI 29.3)
ATS DieselOriginal price $804.99 - Original price $804.99Original price$804.99$804.99 - $804.99Current price $804.99| /ATS Model 3059004248SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS billet flexplates are SFI approved,...
View full detailsOriginal price $804.99 - Original price $804.99Original price$804.99$804.99 - $804.99Current price $804.99| / -
ATS Diesel 2001-05 GM LCT1000 5-Speed Trim Valve Kit
ATS DieselOriginal price $159.99 - Original price $159.99Original price$159.99$159.99 - $159.99Current price $159.99| /ATS Model 3039044248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...
View full detailsOriginal price $159.99 - Original price $159.99Original price$159.99$159.99 - $159.99Current price $159.99| /
The LB7 is the original 6.6L Duramax, built by GM and Isuzu for 2001 to 2004 Chevy Silverado HD and GMC Sierra HD trucks. It has a cast iron block, aluminum heads, a Bosch CP3 pump and no DPF or EGR, which makes it a favorite for high mileage reliability and tuning.
Shop LB7 Duramax Parts by Category
- Engine Parts
- Fuel System
- Fuel Injectors
- Intakes and Cooling
- Turbos and Exhaust
- Tuning
- Transmissions
- Suspension and Driveline
- Fluids
- Performance Packages
Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.
LB7 Duramax FAQ
What is the LB7 known for?
A strong bottom end and no emissions equipment, which makes it popular for tuning and long term reliability.
What are common LB7 problems?
Injector failure is the most common issue, often from fuel contamination. Keeping fuel filtration in good shape helps prevent it.