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UnderDog Diesel » 2003, GMC, Sierra 2500
Products for:
- Year: 2003
- Make: GMC
- Model: Sierra 2500
View Universal items for: 2003 GMC Sierra 2500
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Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 985-24-192
Condition:
New
Price: $356.95
Suspension Shock Absorber
Description: Application specific valving to maximize performance.
Item #: 980-26-959
Condition:
New
Price: $429.95
Engine Oil Drain Tube
Item #: GRD661005
Condition:
New
Price: $52.00
Turbocharger Drain Kit
Item #: GRD661007
Condition:
New
Price: $129.00
Turbocharger Oil Supply Line
Item #: GRD661008
Condition:
New
Price: $105.00
Intake Crossbridge
Item #: GRD661009
Condition:
New
Price: $380.00
MAP Sensor Bung
Item #: GRD661014
Condition:
New
Price: $249.00
Mass Air Flow Sensor
Item #: GRD661016
Condition:
New
Price: $39.00
G&R Diesel Silverado/Sierra Duramax MAP Sensor Bung For 01-10 Silverado/Sierra 2500/3500 - GRD661015
MAP Sensor Bung
Item #: GRD661015
Condition:
New
Price: $39.00
Mass Air Flow Sensor
Item #: GRD661018
Condition:
New
Price: $45.00
Allison 1000 5SPD - 6SPD
Item #: A101-32C2BILLET
Condition:
New
Price: $499.00
Allison 1000 5SPD - 6SPD
Item #: GFP-ALLISON
Condition:
New
Price: $349.00
Current build time of 10-12 business days.
Price: $3,699.00
Allison 1000 5SPD | 6SPD (2001 - 2016)
Item #: ATC-(#)
Condition:
New
Current build time of 7-9 days.
Price: $1,545.00
Allison 1000 5SPD - 6SPD
Item #: A-PAN-A1000-KIT
Condition:
New
Price: $319.00
Turbocharger Manifold
Item #: 019-HSP-C
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $1,375.00
Sale: $1,306.25
Save: 5%
Save: $68.75
Cold Air Intake
Item #: 031-2-HSP-C
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $305.00
Sale: $289.75
Save: 5%
Save: $15.25
Cold Air Intake
Item #: 031-2-HSP-RAW
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $265.00
Sale: $251.75
Save: 5%
Save: $13.25
HSP Diesel 2001-2004 Chevrolet / GMC 2 inch Replacement Passenger Side Up-Pipe Ceramic - 031-1-HSP-C
Cold Air Intake
Item #: 031-1-HSP-C
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $305.00
Sale: $289.75
Save: 5%
Save: $15.25
Cold Air Intake
Item #: 031-1-HSP-RAW
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $265.00
Sale: $251.75
Save: 5%
Save: $13.25
Cold Air Intake
Item #: 031-HSP-C
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $573.95
Sale: $545.25
Save: 5%
Save: $28.70
Cold Air Intake
Item #: 031-HSP-RAW
Condition:
New
Ships in 1 - 2 Weeks / Unless Informed Otherwise
Price: $498.95
Sale: $474.00
Save: 5%
Save: $24.95
Ships in 2 - 3 Weeks / Unless Informed Otherwise
Price: $645.00
Sale: $612.75
Save: 5%
Save: $32.25
Item #: 103-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $150.00
Sale: $142.50
Save: 5%
Save: $7.50
Item #: 040-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $460.00
Sale: $437.00
Save: 5%
Save: $23.00
Item #: 027-HSP-RAW
Condition:
New
Ships in 2 - 3 Weeks / Unless Informed Otherwise
Price: $425.00
Sale: $403.75
Save: 5%
Save: $21.25
Cold Air Intake
Description: This 58" bar kit is made for Regular Cab, 8FT bed trucks.
If you're unsure which size you need, please contact us to confirm fitment.
Item #: 035-1-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $780.00
Sale: $741.00
Save: 5%
Save: $39.00
Description: These 70" traction bars are designed to fit Crew Cab and Extended Cab trucks with 6-foot beds.
If you prefer a longer traction bar look, or if your truck has over 4" of rear lift, we recommend the...More Details »
Item #: 035-2-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $780.00
Sale: $741.00
Save: 5%
Save: $39.00
Description: These 77" bars are designed for Crew Cab and Extended Cab trucks with 8-foot beds. If you're unsure about your configuration, please contact us before ordering to confirm the correct size.
Item #: 035-3-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $780.00
Sale: $741.00
Save: 5%
Save: $39.00
Cold Air Intake
Item #: 105-HSP-RAW
Condition:
New
Ships in 2 - 3 Weeks / Unless Informed Otherwise
Price: $240.00
Sale: $228.00
Save: 5%
Save: $12.00
Item #: 184-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $2,325.56
Sale: $2,209.28
Save: 5%
Save: $116.28
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $1,012.50
Sale: $961.88
Save: 5%
Save: $50.62
Item #: 583-1-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $1,971.00
Sale: $1,872.45
Save: 5%
Save: $98.55
Cold Air Intake
Item #: 102-HSP-RAW
Condition:
New
Ships in 3 - 4 Weeks / Unless Informed Otherwise
Price: $465.00
Sale: $441.75
Save: 5%
Save: $23.25
Fuel Injector Hold Down
Item #: PDM-08377
Condition:
New
Price: $744.91
Sale: $767.95
Save: -3%
Save: $-23.04
Description: Fits; 2001-2023 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD 2WD/4WD trucks, 2001-2013 Chevy and GMC 2500 2WD/4WD SUVs and Hummer H2, H2 SUTs. 1999-2018 Chevy and GMC 1500 6 Lug Trucks
Item #: KR86325
Condition:
New
Price: $19.99
Sale: $18.99
Save: 5%
Save: $1.00
Description: Fits; 1988-Current Chevy/GMC 1500HD/2500HD/3500 TRUCKS and Much More, This is a popular Bolt on Style Ball Joint for many aftermarket applications Including Off-Road Jeep and Toyota Fitment. *GM...More Details »
Item #: KR6292
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; 2001-2010 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD 2WD/4WD trucks, 2001-2013 Chevy and GMC 2500 2WD/4WD SUVs and Hummer H2, H2 SUTs.1999-2018 Chevy/GMC 1500 6 Lug Trucks
Item #: KR0026
Condition:
New
Price: $99.99
Sale: $94.99
Save: 5%
Save: $5.00
Description: Part# KRSM10-50 (50mm Reservoir) Fits: Rad Flo, (King 2.5 OEM Series w/ 2" reservoir)(CALL FOR FITMENT on Bilstein B8 5160)
Fits; 2001-2010 Chevy/GMC 2500/3500 HD & Hummer H2
*SOLD AS A PAIR
Item #: KRSM10-50
Condition:
New
Price: $179.99
Sale: $170.99
Save: 5%
Save: $9.00
Description: Part# KRSM10-55 (55mm Reservoir) Fits: Fox 2.0 Performance Series,
Fits; 2001-2010 Chevy/GMC 2500/3500 HD & Hummer H2
*SOLD AS A PAIR
Item #: KRSM10-55
Condition:
New
Price: $179.99
Sale: $170.99
Save: 5%
Save: $9.00
Description: Part# KRSM10-65 (65mm Reservoir) Fits: Fox 2.5 Race Series, Vertex 2.5, Elka 2.5
Fits; 2001-2010 Chevy/GMC 2500/3500 HD & Hummer H2
*SOLD AS A PAIR
Item #: KRSM10-65
Condition:
New
Price: $179.99
Sale: $170.99
Save: 5%
Save: $9.00
Description: Fits; 2001-2010 2500/3500HD Chevy/GMC 2500/3500 HD *Crew Cab Short Bed Trucks ONLY* 0"-6" Lift
Item #: KRTB10
Condition:
New
Price: $899.99
Sale: $854.99
Save: 5%
Save: $45.00
Description: Fits; 2001-2010 Chevy/GMC 1500HD/2500HD/3500 GM Trucks
Item #: 10KDG535
Condition:
New
Price: $299.99
Sale: $284.99
Save: 5%
Save: $15.00
Description: Fits; 2001-2010 Chevy/GMC 2500/3500 HD TRUCK
Item #: KRISP10
Condition:
New
Price: $549.99
Sale: $522.49
Save: 5%
Save: $27.50
Description: Fits; 2001-2010 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD trucks, 2001-2013 2500 Suburban and 2500 Yukon XL, and the 2003-2009 Hummer H2 and H2 SUTs. Also 1999-2006 Chevrolet and GMC 1500 4WD
Item #: KR175
Condition:
New
Price: $239.99
Sale: $227.99
Save: 5%
Save: $12.00
Description: Fits; 2001-2010 Chevy/GMC 2500/3500 HD & Hummer H2
Item #: KRTR10
Condition:
New
Price: $379.99
Sale: $360.99
Save: 5%
Save: $19.00
Description: Fits; FRONT ONLY
1999-2010 GM Trucks/Vans/SUVs
1999-2018 GM 6 Lug trucks/SUVs
***SRW ONLY (Single Rear Wheel)***
Item #: KRP0152
Condition:
New
Price: $9.99
Sale: $9.49
Save: 5%
Save: $0.50
Description: Fits; 2001-2010 2500/3500HD Chevy/GMC 2500/3500 HD
Item #: KRGUSSET10
Condition:
New
Price: $89.99
Sale: $85.49
Save: 5%
Save: $4.50
Description: Fits; 2001-2010 Chevy/GMC 2500/3500 HD
Item #: KRKEY10
Condition:
New
Price: $119.99
Sale: $113.99
Save: 5%
Save: $6.00
Description: Fits;
2001-2007 Chevrolet Silverado 2500 HD
2001-2007 GMC Sierra 2500 HD
2001-2007 Chevrolet Silverado 3500, SRW & DRW
2001-2007 GMC Sierra 3500, SRW & DRW
2001-2007 Chevrolet Silverado 1500...More Details »
Item #: KR310
Condition:
New
Price: $349.99
Sale: $332.49
Save: 5%
Save: $17.50
Description: Fits; 2001-2010 Chevy/GMC 2500/3500 HD & Hummer H2
Item #: KR6693
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; 2001-2010 Chevy/GMC TRUCK 1500HD/2500HD/3500
Item #: KR1426
Condition:
New
Price: $49.99
Sale: $47.49
Save: 5%
Save: $2.50
Description: Fits; 2001-2010 Chevy/GMC 2500/3500 HD & Hummer H2 Stock Control arms only.
Item #: KR6696
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; 2001-2010 1500HD/2500HD/3500 GM HD Trucks
(2nd Generation 7/8" Shank Right Hand Thread)
Item #: 10KXDI78
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits:
1988–2026 Chevrolet 1500/1500HD/2500HD/3500
1988-2026 GMC 1500/1500HD/2500HD/3500
Important Fitment Details:
Designed For HD Trucks Equipped with a Kryptonite Centerlink
K Series...More Details »
Item #: 10KR78
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; 2001-2010 1500HD/2500HD/3500 GM HD Trucks
(2nd Generation 7/8" Shank Left Hand Thread)
Item #: 10KL78
Condition:
New
Price: $59.99
Sale: $56.99
Save: 5%
Save: $3.00
Description: Fits; 2001-2010 2500 / 3500 GM HD Truck
Item #: KRSE10
Condition:
New
Price: $39.99
Sale: $37.99
Save: 5%
Save: $2.00
Description: Fits; 2001-2010 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD trucks, 2001-2013 2500 Suburban and 2500 Yukon XL, and the 2003-2009 Hummer H2 and H2 SUTs. Also 1999-2006 Chevrolet and GMC...More Details »
Item #: KRSLV10
Condition:
New
Price: $34.99
Sale: $33.24
Save: 5%
Save: $1.75
Description: Fits; 2001-2010 Chevy/GMC 2500/3500 HD Truck
Item #: 568-346
Condition:
New
Price: $5.99
Sale: $5.69
Save: 5%
Save: $0.30
Description: Fits; 2001-2010 Chevy/GMC 2500/3500 HD
2nd Generation 7/8" Rod Ends
Item #: KR10SSU78
Condition:
New
Price: $599.99
Sale: $569.99
Save: 5%
Save: $30.00