- Home »
- Catalog
GI Service Center » 2003, Silverado 2500 HD
Products for:
- Year: 2003
- Model: Silverado 2500 HD
View Universal items for: 2003 Silverado 2500 HD
Browse Products
Item #: 008-001
Condition:
New
Price: $26.00
Price: $139.00
Description: Put a LB7, LLY, LBZ, LMM Engine Block in your LML!
Item #: 008-004
Condition:
New
Price: $109.00
Description: DHD High Flow AN CP3 Fuel Return Fitting (AN-6)
Item #: 009-871206
Condition:
New
Price: $18.99
Description: DHD High Flow AN CP3 Fuel Supply Fitting (AN-8)
Item #: 009-871208
Condition:
New
Price: $18.99
Description: High Quality OEM Material Duramax Gasket Kits
Item #: 016-95-3726VR
Condition:
New
Price: $419.95
Description: High Quality OEM Material Duramax Gasket Kits
Item #: 016-CS54580
Condition:
New
Price: $155.00
Description: High Quality OEM Material Duramax Gasket Kits
Item #: 016-HS54580
Condition:
New
Price: $269.00
Description: High Quality OEM Material Duramax Gasket Kits
Item #: 016-VS50438
Condition:
New
Price: $69.99
Description: High Quality OEM Material Duramax Gasket Kits
Item #: 016-VS50549
Condition:
New
Price: $94.95
Description: DHD Duramax Diesel Billet Coolant Rear Engine Cover Block Off Plate
Item #: 030-5001
Condition:
New
Price: $60.95
Description: New Design, Added Features!
Item #: 030-601
Condition:
New
Product is Excluded from Free Shipping.
Price: $1,799.00
Description: Perfect for Mid-Mounting Your High HP Duramax!
Item #: 030-602
Condition:
New
Limited Supply: Only 0 Left!
Price: $1,999.00
Not Available
Due to Weight and Dimensions This Product Is Excluded From Free Shipping
Price: $229.00
Description: On order with Manufacturer. Ships in 10-14 Days.
Item #: 100-01480
Condition:
New
On order with Manufacturer. Ships in 10-14 Days.
Price: $199.00
Item #: 100-01550
Condition:
New
Price: $229.00
Item #: 100-117
Condition:
New
Build Time 1-5 Days
Price: $1,199.00
Description: DHD Transfer Case Support Brace Kits
Item #: 100-175
Condition:
New
Price: $145.00
Description: DHD ZF6 Transfer Case Support Brace
Item #: 100-185
Condition:
New
Price: $145.00
Price: $79.00
Description: DHD Flexplate, LB7 LLY LBZ LMM LML L5P 2001-2018 Duramax
Item #: 100-220
Condition:
New
Price: $349.00
Description: Works for 5 & 6 Speed Allison Transmissions
Item #: 100-250
Condition:
New
Not Available
Price: $27.00
Not Available
Price: $49.00
Description: DHD 100-263 263XHD Transfer Case Seal Kit
Item #: 100-263
Condition:
New
Price: $65.00
Description: 2001-2019 Silverado/Sierra Allison 1000/2000/2400
LB7, LLY, LBZ, LMM, LML, L5P
Item #: 100-300
Condition:
New
Price: $94.95
Description: LB7 LLY LBZ LMM
Item #: 100-305
Condition:
New
Price: $109.00
Description: Rear Output Shaft Bushing 2.01" OD
Item #: 100-331066
Condition:
New
Price: $15.70
Description:
Item #: 100-351012-1
Condition:
New
Price: $8.99
Description:
Item #: 100-352849A
Condition:
New
Price: $59.99
Description:
Item #: 100-401001A
Condition:
New
Price: $52.95
Description:
Item #: 100-401330
Condition:
New
Price: $3.00
Description:
Item #: 100-401606A
Condition:
New
Price: $179.49
Description: Replaces 12478082 Main Shaft
Item #: 100-401672A/401865
Condition:
New
Price: $220.00
Description:
Item #: 100-401849
Condition:
New
Price: $58.99
Description:
Item #: 100-401997A
Condition:
New
Price: $35.00
Description: Transfer Case Front Driveshaft Output Seal
Item #: 100-411081A
Condition:
New
Price: $17.49
Description:
Item #: 100-411436
Condition:
New
Price: $32.80
Price: $8.99
Item #: 100-440
Condition:
New
Price: $26.00
Not Available
Price: $16.00
Price: $16.00
Description: Replacement connector set for 2 plug connector NSBU switches found on 01-04 Allison Transmissions.
Item #: 100-448
Condition:
New
Price: $89.95
Description:
Item #: 100-455
Condition:
New
Price: $12.99
Description: No Welding, Leak Free Compression Fittings
Item #: 100-506
Condition:
New
Price: $275.00
Description: Best Valve 5-Speed Allison Valve Body Package
Item #: 100-510
Condition:
New
Price: $825.00
Description: SHIPS FREE IN THE LOWER 48!
Item #: 100-550
Condition:
New
In stock 1-5 Day Lead Time
Price: $1,899.00
Description: 2001-2003 Allison 5-Speed Transmissions
Item #: 100-557
Condition:
New
Price: $529.95
Description: 2003-2005 Allison 5-Speed Transmissions
Item #: 100-558
Condition:
New
Price: $529.95
Description: A must have for your Allison Build.
Item #: 100-562
Condition:
New
Price: $89.00
Sale: $75.00
Save: 16%
Save: $14.00
Description: GM NP261XHD or NP263XHD
Item #: ZTNP41061+ZTSRK371
Condition:
New
Not Available
Price: $186.00
Description:
Item #: 100-ATAS012
Condition:
New
Price: $3.00
Description: Allison Pressure Regulator Shim & Spring Install Tool
Item #: 100-PRT
Condition:
New
Price: $46.99
Description: For NP261XHD NP263XHD Transfer Cases
Item #: 101-263
Condition:
New
Price: $185.00
Price: $175.00
Description: DHD Do-It-Yourself DELUXE High Pressure Allison Trans Line Repair Kit
More Details »
Item #: 126-607
Condition:
New
Price: $249.95
Description: DHD's Heavy Duty Billet rear yoke assemblies are a must for any competition drag race, off road or sled pulling application.
Item #: 030-620XD
Condition:
New
In Stock Ready to Ship!
Price: $875.00
Description: Brand New Design, Improved Clearance
Item #: 030-690XD
Condition:
New
Please Call for Availability
Price: $139.00