- Home »
- Catalog
UnderDog Diesel » GMC, Sierra 2500
Products for:
- Make: GMC
- Model: Sierra 2500
View Universal items for: GMC 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
Price: $999.99
Item #: 0-986-437-308
Condition:
New
Price: $817.00
Item #: 0-986-435-504
Condition:
New
Price: $330.00
Item #: 0-445-120-027 x8
Condition:
New
Price: $3,232.00
Item #: 0-986-435-504 x8
Condition:
New
Price: $2,640.00
Description: Left Side Rail
Item #: F-00R-001-505
Condition:
New
Price: $172.00
Description: Right Side Rail
Item #: F-00R-001-512
Condition:
New
Price: $210.00
Price: $485.00
Item #: 0-986-435-521
Condition:
New
Price: $404.00
Item #: 0-445-120-042 x8
Condition:
New
Price: $3,880.00
Item #: 0-986-435-521 x8
Condition:
New
Price: $3,232.00
Description: Great For Mildly Modified Trucks Up To 750HP
2-Year Unlimited Mileage, 100% Workmanship Warranty
Item #: FD-A750-06-07
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-A900-06-07
Condition:
New
This will ship via LTL Freight
Price: $8,495.00
Price: $1,125.00
Item #: 0-986-437-332
Condition:
New
Price: $846.00
Item #: 0-445-120-082
Condition:
New
Price: $490.00
Item #: 0-986-435-520
Condition:
New
Price: $405.00
Item #: 0-445-120-082 x8
Condition:
New
Price: $3,920.00
Item #: 0-986-435-520 x8
Condition:
New
Price: $3,240.00
Description: Great For Mildly Modified Trucks Up To 750HP
2-Year Unlimited Mileage, 100% Workmanship Warranty
Item #: FD-A750-07.5-10
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-A900-07.5-10
Condition:
New
This will ship via LTL Freight
Price: $8,495.00
Price: $328.00
Item #: 0-986-435-410
Condition:
New
Price: $285.00
Item #: 0-445-117-010 x8
Condition:
New
Price: $2,624.00
Item #: 0-986-435-410 x8
Condition:
New
Price: $2,280.00
Price: $871.00
Item #: 0-986-437-421
Condition:
New
Limited Supply: Only 3 Left!
Price: $608.00
Description: Great For Mildly Modified Trucks Up To 750HP
2-Year Unlimited Mileage, 100% Workmanship Warranty
Item #: FD-A750-11-16
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-A900-11-16
Condition:
New
This will ship via LTL Freight
Price: $8,495.00
Monitor Mount
Description: For 2015-2019 Chevy/GMC 2500/3500
Monitor not Included
Item #: UDD-1519CTS2/3-MOUNT
Condition:
New
Price: $65.00
Description: Great For Mildly Modified Trucks Up To 750HP
2-Year Unlimited Mileage, 100% Workmanship Warranty
Item #: FD-A750-17-19
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-A900-17-19
Condition:
New
This will ship via LTL Freight
Price: $8,495.00
Item #: VSE-17-19-FTR-TURBO
Condition:
New
This product cannot ship to California.
Price: $1,999.00
Turbo Up-Pipes
Item #: L5P-UP-PIPE
Condition:
New
*Allow 5-7 business days for processing from the manufacturer*
This product cannot ship to California.
Price: $599.99
This product cannot ship to California.
Price: $379.99
Description: - Auxiliary Coolant Tank for Fuel Cooler
- Black Anodized Billet Aluminum Cap
- Overflow Flow Fitting
- Preformed Hose
- Custom Powder Coat Finish
Item #: WCF100224
Condition:
New
WCFab Red, Bengal Red, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $239.00
Description: Supports up to 650HP w/ proper supporting modifications.
Item #: LBZ/LMM-63/66-N
Condition:
New
Limited Supply: Only 1 Left!
This product cannot ship to the state of California.
Price: $2,399.99
Description: Supports up to 650HP w/ proper supporting modifications. INCLUDES Turbo Vane Position Sensor Adapter Harness *Needed for LLY Models*
Item #: LLY-63/66-N
Condition:
New
This product cannot ship to the state of California.
Price: $2,446.98
Description: Supports up to 650HP w/ proper supporting modifications.
Item #: LML-63/66-N
Condition:
New
This product cannot ship to the state of California.
Price: $2,399.99
Description: Supports up to 700HP w/ proper supporting modifications.
Item #: LBZ/LMM-65/66-N
Condition:
New
This product cannot ship to the state of California.
Price: $2,650.00
Description: Supports up to 700HP w/ proper supporting modifications. INCLUDES Turbo Vane Position Sensor Adapter Harness *Needed for LLY Models*
Item #: LLY-65/66-N
Condition:
New
This product cannot ship to the state of California.
Price: $2,650.00
Description: Supports up to 700HP w/ proper supporting modifications.
Item #: LML-65/66-N
Condition:
New
This product cannot ship to the state of California.
Price: $2,650.00
Description: Supports up to 775HP w/ proper supporting modifications.
Item #: LBZ/LMM-68/68-RVANE-N
Condition:
New
This product cannot ship to the state of California.
Price: $3,199.00
Description: Supports up to 775HP w/ proper supporting modifications. INCLUDES Turbo Vane Position Sensor Adapter Harness *Needed for LLY Models*
Item #: LLY-68/68-RVANE-N
Condition:
New
This product cannot ship to the state of California.
Price: $3,199.00
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
Diff Covers
Description: aFe POWER Pro Series Engine Oil Pan Black w/ Machined Fins GM Diesel Trucks 11-16 V8-6.6L (td) LML Fits: GM Diesel Trucks 11-16 V8-6.6L (td) LML
Item #: 46-71080B
Condition:
New
Price: $481.00
Engine Cold Air Intake
Description: Magnum FORCE Stage-2 Cold Air Intake System w/ Pro 5R Media GM Diesel Trucks 11-16 V8-6.6L (td) LML Fits: GM Diesel Trucks 11-16 V8-6.6L (td) LML
Item #: 54-13016R
Condition:
New
Price: $379.00
Engine Cold Air Intake
Description: Magnum FORCE Stage-2 Cold Air Intake System w/ Pro DRY S Media GM Diesel Trucks 11-16 V8-6.6L (td) LML Fits: GM Diesel Trucks 11-16 V8-6.6L (td) LML
Item #: 54-13016D
Condition:
New
Price: $379.00
Diff Covers
Description: Pro Series Rear Differential Cover Black w/ Machined Fins GM Diesel Trucks 2020 V8-6.6L (td) L5P Fits: GM Diesel Trucks 2020 V8-6.6L (td) L5P
Item #: 46-71260B
Condition:
New
Price: $355.00
Gauges
Description: AGD 5-1/2 IN Digital Gauge Display Monitor Fits: Dodge/RAM/Ford/GM Diesel Trucks 08-19 L6-6.7L (td)/V8-6.4L/6.6L/6.7L (td)
Item #: 77-91001
Condition:
New
Price: $518.00
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