- Home »
- Catalog
UnderDog Diesel » 2003, Sierra 2500
Products for:
- Year: 2003
- Model: Sierra 2500
View Universal items for: 2003 Sierra 2500
Browse Products
Item #: 0-986-437-303
Condition:
New
Price: $846.00
Description: New! No Core Charge!
Item #: 0-445-120-008
Condition:
New
Price: $322.00
Item #: 0-986-435-502
Condition:
Remanufactured
Price: $229.00
Description: NEW! No Core Charge!
Item #: 0-445-120-008 x8
Condition:
New
Price: $2,576.00
Item #: 0-986-435-502 x8
Condition:
New
Price: $1,832.00
Description: 2 Required per Engine
Item #: F-00R-001-205
Condition:
New
Price: $199.95
Description: Great For Mildly Modified Trucks Up To 750HP
2-Year Unlimited Mileage, 100% Workmanship Warranty
Item #: FD-A750-01-05
Condition:
New
This will ship via LTL Freight
Price: $6,995.00
Description: Great For Mildly Modified Trucks Up To 900HP
2-Year Unlimited Mileage, 100% Workmanship Warranty
Item #: FD-A900-01-05
Condition:
New
This will ship via LTL Freight
Price: $8,495.00
Headers & Manifolds
Description: Twisted Steel 304 Stainless Steel Performance Package GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 48-34009-PK
Condition:
New
Price: $1,278.00
Downpipes
Description: ATLAS 3 IN Steel Down-Pipe GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 49-04093
Condition:
New
Price: $250.00
Intercoolers
Description: BladeRunner 3 IN Aluminum Hot and Cold Intercooler Tube Kit Black GM Diesel Trucks 02-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 02-04 V8-6.6L (td) LB7
Item #: 46-20045
Condition:
New
Price: $493.00
Intercoolers
Description: BladeRunner 3 IN Intercooler Tube Hot Side Black GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 46-20046
Condition:
New
Price: $297.00
Transmission Oil Cooler
Description: BladeRunner Transmission Oil Cooler Kit GM Trucks/SUVs 99-13 V8 Fits: GM Trucks/SUVs 99-13 V8
Item #: 46-80007
Condition:
New
Price: $498.00
Turbocharger Intercooler Pipe Set
Description: BladeRunner 3 IN Intercooler Tube Cold Side GM Diesel Trucks 02-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 02-04 V8-6.6L (td) LB7
Item #: 46-20047
Condition:
New
Price: $244.00
Radiator
Description: BladeRunner OER Series Radiator GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 46-53031
Condition:
New
Price: $381.00
Radiator
Description: BladeRunner OER Series Radiator GM Trucks/SUVs 99-13 V8 Fits: GM Trucks/SUVs 99-13 V8
Item #: 46-53161
Condition:
New
Price: $286.00
aFe BladeRunner Street Series Tube & Fin Aluminum Radiator 01-05 GM Diesel Trucks 6.6L V8 - 46-52031
Radiators
Description: BladeRunner Street Series Aluminum Radiator GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 46-52031
Condition:
New
Price: $865.00
Radiators
Description: BladeRunner Street Series High Capacity Aluminum Radiator GM Trucks 09-13 V8-5.3L Fits: GM Trucks 09-13 V8-5.3L
Item #: 46-52161
Condition:
New
Price: $645.00
Fuel Air Separators
Description: DFS780 PRO Fuel Pump (Full-time Operation) GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML Fits: GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML
Item #: 42-24011
Condition:
New
Price: $825.00
Fuel Air Separators
Description: DFS780 Fuel Pump (Full-time Operation) GM Diesel Trucks 01-10 V8-6.6L (td) LB7/LLY/LBZ/LMM Fits: GM Diesel Trucks 01-10 V8-6.6L (td) LB7/LLY/LBZ/LMM
Item #: 42-14011
Condition:
New
Price: $1,004.00
Torque Converters
Description: F3 Torque Converter 1200 Stall A1000 GM Diesel Trucks 01-15 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML Fits: GM Diesel Trucks 01-15 V8-6.6L (td) LBZ/LLY/LMM/LML
Item #: 43-14011
Condition:
New
Price: $1,708.35
Exhaust System Kit
Description: Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/o Tip GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 49-14001
Condition:
New
Price: $645.00
Exhaust System Kit
Description: Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/ Polished Tip GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 49-44001
Condition:
New
Price: $785.00
Air Filters - Drop In
Description: Magnum FLOW Inverted Replacement Air Filter (IRF) w/ Pro 5R Media GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 30-80062
Condition:
New
Price: $103.00
Air Filters - Drop In
Description: Magnum FLOW OE Replacement Air Filter w/ Pro 5R Media GM Silverado/Sierra 99-18 V6/V8 Fits: GM Silverado/Sierra 99-16 V6/V8
Item #: 30-10004
Condition:
New
Price: $84.00
Air Filters - Drop In
Description: Magnum FLOW OE Replacement Air Filter w/ Pro 5R Media GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 30-10062
Condition:
New
Price: $93.00
Air Filters - Drop In
Description: Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 31-10062
Condition:
New
Price: $93.00
Air Filters - Drop In
Description: Magnum FLOW Inverted Replacement Air Filter (IRF) w/ Pro DRY S Media GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 31-80062
Condition:
New
Price: $103.00
Air Filters - Drop In
Description: Magnum FLOW OE Replacement Air Filter w/ Pro DRY S Media GM Silverado/Sierra 99-18 V6/V8 Fits: GM Silverado/Sierra 99-16 V6/V8
Item #: 31-10004
Condition:
New
Price: $84.00
Air Filters - Drop In
Description: Magnum FLOW OE Replacement Air Filter w/ Pro GUARD7 Media GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 73-10062
Condition:
New
Price: $103.00
Air Filters - Drop In
Description: Magnum FLOW Inverted Replacement Air Filter (IRF) w/ Pro GUARD7 Media GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY Fits: GM Diesel Trucks 01-05 V8-6.6L (td) LB7/LLY
Item #: 73-80062
Condition:
New
Price: $103.00
Air Filter and Housing Assembly
Description: Magnum FORCE Stage-2 Cold Air Intake System w/ Pro 5R Media GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 54-10782
Condition:
New
Price: $379.00
Air Filter and Housing Assembly
Description: Magnum FORCE Stage-2 Cold Air Intake System w/ Pro 5R Media GM Trucks/SUV's 99-07 V8-4.8/5.3L (GMT800) Fits: GM Trucks/SUV s 99-07 V8-4.8/5.3L (GMT800)
Item #: 54-10092
Condition:
New
Price: $357.00
Air Filter and Housing Assembly
Description: Magnum FORCE Stage-2 Cold Air Intake System w/ Pro DRY S Media GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 51-10782
Condition:
New
Price: $379.00
Air Filter and Housing Assembly
Description: Magnum FORCE Stage-2 Cold Air Intake System w/ Pro DRY S Media GM Trucks/SUV's 99-07 V8-4.8/5.3L (GMT800) Fits: GM Trucks/SUV s 99-07 V8-4.8/5.3L (GMT800)
Item #: 51-10092
Condition:
New
Price: $357.00
Engine Air Intake Resonator Seal
Description: Magnum FORCE Cold Air Intake System Spare Parts Kit Resonator Plug for XX-10782/80782 Fits: Resonator Plug for XX-10782/80782
Item #: 59-10082
Condition:
New
Price: $14.00
Engine Cold Air Intake Tube
Description: Magnum FORCE Cold Air Intake System Spare Parts Kit Soft Parts for XX-10782 Fits: Soft Parts for XX-10782
Item #: 59-10782
Condition:
New
Price: $36.00
Engine Cold Air Intake Tube
Description: Magnum FORCE Cold Air Intake System Spare Parts Kit Soft Parts for XX-80612 Fits: Soft Parts for XX-80612
Item #: 59-80782
Condition:
New
Price: $36.00
Air Filter and Housing Assembly
Description: Momentum GT Cold Air Intake System w/ Pro 5R Media GM Trucks/SUV's 99-07 V8-4.8/5.3/6.0L (GMT800) Fits: GM Trucks/SUV s 99-07 V8-4.8/5.3/6.0L (GMT800)
Item #: 54-74101
Condition:
New
Price: $416.00
Air Filter and Housing Assembly
Description: Momentum GT Cold Air Intake System w/ Pro DRY S Media GM Trucks/SUV's 99-07 V8-4.8/5.3/6.0L (GMT800) Fits: GM Trucks/SUV s 99-07 V8-4.8/5.3/6.0L (GMT800)
Item #: 51-74101
Condition:
New
Price: $416.00
Cold Air Intakes
Description: Momentum HD Cold Air Intake System w/ Pro 10R Media GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 50-74001
Condition:
New
Price: $416.00
Cold Air Intakes
Description: Momentum HD Cold Air Intake System w/ Pro DRY S Media GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 51-74001
Condition:
New
Price: $416.00
Headers & Manifolds
Description: BladeRunner Ported Ductile Iron Exhaust Manifold GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML Fits: GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML
Item #: 46-40024
Condition:
New
Price: $675.00
Turbo Upgrade Components
Description: BladeRunner Street Series Turbocharger GM Diesel Trucks 01-04 V8-6.6L (td) LB7 Fits: GM Diesel Trucks 01-04 V8-6.6L (td) LB7
Item #: 46-60100
Condition:
New
Price: $1,483.00
Diff Covers
Description: Pro Series Rear Differential Cover Black w/ Machined Fins GM Diesel Trucks 01-19 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML/L5P Fits: GM Diesel Trucks 01-19 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML/L5P
Item #: 46-71060B
Condition:
New
Price: $355.00
Auto Trans Oil Pan
Description: Transmission Pan, Black w/ Machined Fins GM Diesel Trucks 01-19 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML/L5P Fits: GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML
Item #: 46-70072
Condition:
New
Price: $414.00
Fuel Air Separators
Description: DFS780 Fuel Pump (Boost Activated) GM Diesel Trucks 01-10 V8-6.6L (td) LB7/LLY/LBZ/LMM Fits: GM Diesel Trucks 01-10 V8-6.6L (td) LB7/LLY/LBZ/LMM
Item #: 42-14012
Condition:
New
Price: $1,004.00
Oil Caps
Description: Billet Aluminum Oil Cap GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML Fits: GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML
Item #: 79-12002
Condition:
New
Price: $85.00
Diff Covers
Description: Pro Series Rear Differential Cover Black w/ Machined Fins GM Trucks 99-13 (GM 9.5-14) Fits: GM Trucks 99-13 (GM 9.5-14)
Item #: 46-70372
Condition:
New
Price: $355.00
Headers & Manifolds
Description: Twisted Steel 409 Stainless Steel Shorty Header GM Silverado/Sierra 1500 02-13 V8 (GMT800/900) Fits: GM Silverado/Sierra 1500 02-13 V8 (GMT800/900)
Item #: 48-44001
Condition:
New
Price: $1,052.00
Oil Filters
Description: Pro GUARD D2 Oil Filter (4 Pack) GM Trucks 03-06 V8-4.8L/5.3L/6.0L Fits: GM Trucks 03-06 V8-4.8L/5.3L/6.0L
Item #: 44-LF009-MB
Condition:
New
Price: $56.00
Oil Filters
Description: Pro GUARD D2 Oil Filter (4 Pack) GM Trucks 99-05 V8-4.8L/5.3L/6.0L Fits: GM Trucks 99-05 V8-4.8L/5.3L/6.0L
Item #: 44-LF011-MB
Condition:
New
Price: $56.00
Diff Covers
Description: Pro Series Engine Oil Pan Black w/ Machined Fins GM Diesel Trucks 01-10 V8-6.6L (td) Fits: GM Diesel Trucks 01-10 V8-6.6L (td) LB7/LLY/LBZ/LMM
Item #: 46-70332
Condition:
New
Price: $530.00
Diff Covers
Description: Pro Series Rear Differential Cover Black w/ Machined Fins & Gear Oil GM Diesel Trucks 01-19 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML/L5P Fits: GM Diesel Trucks 01-19 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML/L5P
Item #: 46-71061B
Condition:
New
Price: $414.00
Fuel Filters
Description: Pro GUARD D2 Fuel Filter GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML Fits: GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML
Item #: 44-FF011
Condition:
New
Price: $50.00
Fuel Filters
Description: Pro GUARD D2 Fuel Filter (4 Pack) GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML Fits: GM Diesel Trucks 01-16 V8-6.6L (td) LLY/LBZ/LMM/LML
Item #: 44-FF011-MB
Condition:
New
Price: $143.00
Fuel Filters
Description: Pro GUARD HD Oil Filter GM Diesel Trucks 01-18 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML/L5P Fits: GM Diesel Trucks 01-178V8-6.6L (td) LLY/LBZ/LMM/LML/L5P
Item #: 44-LF001
Condition:
New
Price: $24.00
Oil Filters
Description: Pro GUARD D2 Oil Filter GM Trucks 03-06 V8-4.8L/5.3L/6.0L Fits: GM Trucks 03-06 V8-4.8L/5.3L/6.0L
Item #: 44-LF009
Condition:
New
Price: $20.00
Oil Filters
Description: Pro GUARD D2 Oil Filter GM Trucks 99-05 V8-4.8L/5.3L/6.0L Fits: GM Trucks 99-05 V8-4.8L/5.3L/6.0L
Item #: 44-LF011
Condition:
New
Price: $20.00
Oil Filters
Description: Pro GUARD HD Oil Filter (4 Pack) GM Diesel Trucks 01-18 V8-6.6L (td) LB7/LLY/LBZ/LMM/LML/L5P Fits: GM Diesel Trucks 01-18 V8-6.6L (td) LLY/LBZ/LMM/LML/L5P
Item #: 44-LF001-MB
Condition:
New
Price: $69.00