- Home »
- Catalog
GI Service Center » 2004, Silverado 2500 HD
Products for:
- Year: 2004
- Model: Silverado 2500 HD
View Universal items for: 2004 Silverado 2500 HD
Browse Products
Item #: ZG GM9.25-411R
Condition:
New
Price: $204.77
Item #: ZG GM9.25-456R
Condition:
New
Price: $204.77
Item #: ZG GM9.25-513R
Condition:
New
Price: $204.77
Item #: ZG GM9.25-538R
Condition:
New
Price: $204.77
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM9.25-373R
Condition:
New
Price: $333.89
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM9.25-456R
Condition:
New
Price: $333.89
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM9.25-513R
Condition:
New
Price: $333.89
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM9.25-538R
Condition:
New
Price: $333.89
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM14T-456T
Condition:
New
Price: $525.89
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM14T-488T
Condition:
New
Price: $444.89
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM14T-513T
Condition:
New
Price: $508.89
Differential Ring and Pinion
Description: USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment...More Details »
Item #: ZG GM14T-538T
Condition:
New
Price: $471.89
Description: - Replaces failure prone plastic factory GM Heater Core Firewall Coolant Fitting
- Billet direct-fit replacement with 5/8" barb connection
- More resistant to heat and vibration
- Double O-ring...More Details »
Item #: WCF100155
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $42.00
Sale: $41.00
Save: 2%
Save: $1.00
Description: - CNC Machined Billet Cap is a direct OEM Replacement not a cover
- Includes new diaphragm seal
- Made in USA
- Black Anodized Finish
- Installs in seconds
- Compatible with LB7, LLY, LBZ,...More Details »
Item #: WCF100216
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Sale: $44.00
Save: 2%
Save: $1.00
Description: - CNC Machined Billet Cap is a direct OEM Replacement not a cover
- Includes new diaphragm seal
- Made in USA
- Clear Anodized Finish
- Installs in seconds
- Compatible with LB7, LLY, LBZ,...More Details »
Item #: WCF100215
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $45.00
Sale: $44.00
Save: 2%
Save: $1.00
Description: Must Be Installed by an Authorized Dealer
Item #: WCF100955-PLUS, WCF100960-PLUS
Condition:
New
Price: $7,795.00
Description: Must Be Installed by an Authorized Dealer
Item #: WCF100955, WCF100960
Condition:
New
Price: $4,395.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe
- Up Pipe Gaskets (4)
- Made in USA
Item #: WCF100590
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $639.00
Sale: $625.00
Save: 2%
Save: $14.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe Passenger Side Up Pipe for Compound / Twin Turbo Applications
-...More Details »
Item #: WCF100589
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $639.00
Sale: $625.00
Save: 2%
Save: $14.00
Description: - Flows 40% Better than Stock
- True 4" Inlet Turbo Intake with smooth flowing transition to turbo compressor cover for optimized airflow and drivability
- Precision CNC Machined Cast Aluminum...More Details »
Item #: WCF100535
Condition:
New
WCFab Red, WCFab Grey, Gloss Black, and Gloss White in stock ships in 3-5 business days. All other colors 10-15 Business Day Lead Time
This Product cannot ship to the state of California
Price: $179.00
Description: - 4" Intake Pipe
- 14g Aluminum Construction
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
- 4" Intake...More Details »
Item #: WCF100300
Condition:
New
WCFab Red, WCFab Grey, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on
other colors.
This Product cannot ship to the state of California
Price: $639.00
Sale: $619.00
Save: 3%
Save: $20.00
Description: - MAP Sensor Bung / Weld Fitting for Custom Fabricated Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-35
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $30.00
Sale: $29.00
Save: 3%
Save: $1.00
Description: - Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Fully TIG Welded 11 GA Stainless Steel Construction Heavy Duty Up Pipes
- Manifolds finished in Black Ceramic Coat rated for...More Details »
Item #: WCF100174
Condition:
New
In Stock. Ships in 3-5 business days.
This Product Cannot Ship to the State of California
Price: $1,929.00
Description: -3" Driver Side Intercooler Pipe
-14g Mandrel Bent Aluminum Construction
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
-No tuning required
Item #: WCF100349
Condition:
New
WCFab Red, WCFab Grey, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $315.00
Sale: $305.00
Save: 3%
Save: $10.00
Description: -NEW! Now includes 4" Intake with Fabricated Air Box & Lid Constructed of 10G Aluminum Sheet
-14G Mandrel Bent Aluminum Piping
-Premium Dry Media Air Filter
-Outerwear's Pre-Filter Cover
-T4...More Details »
Item #: WCF100478
Condition:
New
Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $3,295.00
Description: -NEW! Now includes 5" Intake with Fabricated Air Box & Lid Constructed of 10G Aluminum Sheet
-14G Mandrel Bent Aluminum Piping
-Premium Dry Media Air Filter
-Outerwear's Pre-Filter Cover
-T4...More Details »
Item #: WCF100489
Condition:
New
Gloss Black In Stock Ships in 3-5 Business Days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $3,295.00
Description: - 5" Intake
- Dry Air Filter
- Outerwears Pre-Filter cover
- 3.5" Cold Side Charge Pipe
- 3.5" Turbo Inlet Horn
- 3" One Piece Y-bridge with HD Bead roll end
- 3" Cold Side Intercooler Pipe...More Details »
Item #: WCF100570
Condition:
New
Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $3,455.00
Sale: $3,349.00
Save: 3%
Save: $106.00
Description: - 3" Fabricated Y-Bridge (for OEM style intake horn)
- 3" Passenger (Cold) Side Intercooler Pipe
- 3" Driver (Hot) Side Intercooler Pipe
- 14 ga Aluminum Construction
- FPRV Block Off Kit
-...More Details »
Item #: WCF100411
Condition:
New
WCFab Red, WCFab Grey, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $1,179.00
Sale: $1,145.00
Save: 3%
Save: $34.00
Description: - 3" Fabricated Y-Bridge (for OEM style intake horn)
- 3" Passenger (Cold) Side Intercooler Pipe
- 3" Driver (Hot) Side Intercooler Pipe
- 4" Intake Pipe
- Air Box with Lid
- Dry Air Filter
-...More Details »
Item #: WCF100435
Condition:
New
WCFab Red and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $1,855.00
Sale: $1,799.00
Save: 3%
Save: $56.00
Description: -3" Fabricated Billet Y-Bridge
-3" Passenger (Cold) Side Intercooler Pipe
-3" Driver (Hot) Side Intercooler Pipe
- 4" Intake Pipe
- 14g Aluminum Construction
- Air Box with Lid
- Dry Air...More Details »
Item #: WCF100712
Condition:
New
WCFab Red in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $2,089.00
Sale: $2,025.00
Save: 3%
Save: $64.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Passenger Side Up-Pipe (Clearanced for conventional down pipes)
- Includes Up Pipe Gaskets (2)
- Made in USA
Item #: WCF100654
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $345.00
Sale: $335.00
Save: 3%
Save: $10.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Passenger Side Up Pipe Passenger Side Up Pipe for Compound / Twin Turbo Applications
- Full flow design eliminates clearance...More Details »
Item #: WCF100648
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $345.00
Sale: $335.00
Save: 3%
Save: $10.00
Description: - 4" Intake Pipe
- 14g Aluminum Construction
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
- Silicone Boot...More Details »
Item #: WCF100190
Condition:
New
WCFab Red with Standard Brushed Tag, WCFab Grey with Standard Brushed Tag, and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
This Product cannot ship to the state of California
Price: $545.00
Sale: $525.00
Save: 4%
Save: $20.00
Description: -Stainless Block off Plug
-5/16" Fuel Line
-5/16" Brass Tee Fitting
-Hose Clamps
Item #: WCF100023
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $75.00
Sale: $72.00
Save: 4%
Save: $3.00
Item #: WCF100797
Condition:
New
In Stock. Ships in 3-5 business days. While Supplies Last!
Price: $250.00
Description: - 3" Fabricated Billet Y-Bridge (clearanced for OEM style intake horn)
- 3" Passenger Side Intercooler Pipe - 14g Mandrel Bent Aluminum Construction
- 50% more airflow than OEM upper intake...More Details »
Item #: WCF100693
Condition:
New
WCFab Red, WCFab Grey and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $925.00
Sale: $895.00
Save: 3%
Save: $30.00
Description: - 3" Downpipe
- Heat Wrap
- High Temp Ceramic Coating
- Bolt on upgrade
- No tuning required
Item #: WCF100119
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $245.00
Sale: $239.00
Save: 2%
Save: $6.00
Description: -Twin CP3 Pump Controller
-Wire Harness
-Connectors
Item #: WCF100093
Condition:
New
In stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $259.00
Sale: $249.00
Save: 4%
Save: $10.00
Description: - 14g Aluminum Coolant Pipe
- Silicone Boots
- Stainless Steel T-Bolt Clamps
- Custom Powder Coat Finish
Item #: WCF100860
Condition:
New
WCFab Red, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $149.00
Sale: $143.00
Save: 4%
Save: $6.00
Description: - CNC Machined Billet Aluminum Thermostat Upper Housing
- Coolant Pipe
- Silicone Boots
- T-Bolt Clamps
Item #: WCF100405
Condition:
New
WCFab Red, WCFab Grey, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $489.00
Sale: $474.00
Save: 3%
Save: $15.00
Description: -Coolant Tank
-Serviceable Low Coolant Level Sensor
-Billet Anodized Cap
-Over Flow Hose
-Coolant Level Sight Glass
-Installation Hardware
-Durable Custom Powder Coat Finish
Item #: WCF100645
Condition:
New
WCFab Red, Candy Teal, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $489.00
Sale: $473.00
Save: 3%
Save: $16.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-26
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $35.00
Sale: $34.00
Save: 3%
Save: $1.00
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-31
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $39.00
Description: -Coolant Tank
-Low coolant sensor
-Cap
-Hoses
-Clamps
-Fittings
-Powder Coating
Item #: WCF100642
Condition:
New
Gloss Black and Raw in stock and ships in 3-5 business days.
Price: $379.00
Sale: $365.00
Save: 4%
Save: $14.00
Description: Fabricated tubular steel support connects rear housing of Allison transmission to transfer case reinforcing the weaker tail housing section to eliminate flex caused by driveline vibrations which...More Details »
Item #: WCF100130
Condition:
New
WCFab Red & Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $185.00
Sale: $179.00
Save: 3%
Save: $6.00
Description: Correct replacement sensor for WCFab Fabricated Coolant Tanks designed for LB7, LLY, LBZ, LMM and L5P Duramax trucks
Item #: WCF206-19
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $51.00
Sale: $49.00
Save: 4%
Save: $2.00
Description: ***For Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-60" Heavy Duty Bars
-Poly Bushings...More Details »
Item #: WCF100850
Condition:
New
WCFab Red with Standard Brushed Tag, Gloss Black with Standard Brushed Tag, and Gloss White with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
Price: $999.00
Sale: $989.00
Save: 1%
Save: $10.00
Description: ***For Extended Cab Long Bed and Crew Cab Long Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-68" Heavy Duty Bars
-Poly Bushings
-RockJock Johnny Joints...More Details »
Item #: WCF100852
Condition:
New
WCFab Red with Standard Brushed Tag, Gloss White with Standard Brushed Tag and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
Price: $999.00
Sale: $989.00
Save: 1%
Save: $10.00
Description: - Includes Axle side bolt on and Frame side weld on mounts
- Grade 8 Hardware
- This part number is mounting hardware only. Bars not included.
- Powder Coating with zinc primer base coat on axle side brackets
Item #: WCF100840
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $285.00
Sale: $274.00
Save: 4%
Save: $11.00
Description: Replaces OEM plastic front shield for lower engine bay and cooling stack which is prone to cracking and breaking.
- Constructed from heavy gauge aluminum
- Uses OEM mounting points
- Provides...More Details »
Item #: WCF100463
Condition:
New
Fine Texture Black and Semi Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $299.00
Sale: $289.00
Save: 3%
Save: $10.00
Description: -Left & Right Mount
-High Grade Hardware for Mount to Engine
-Thread-locker compound
-Poly Bushings
-Powder Coating
Item #: WCF100158
Condition:
New
WCFab Red & Gloss Black in stock - ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $479.00
Description: - Made from cast A356.0-T6 aluminum
- Includes fasteners, pan, NPT plug, and billet stainless steel Neodymium magnet drain plug
- Finished in your choice of custom powder colors
- Provides 1...More Details »
Item #: WCF100131
Condition:
New
10-15 Business Day Lead Time
Price: $379.00
Description: - Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 1800ºF
- Includes new gaskets for manifold to cylinder head and manifold to up pipe
-...More Details »
Item #: WCF100363
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $1,445.00
Sale: $1,399.00
Save: 3%
Save: $46.00
Description: ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Item #: WCF100240
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $38.00
Sale: $37.00
Save: 3%
Save: $1.00
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Up Pipe Gaskets (2)
- Made in USA
Item #: WCF100652
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $345.00
Sale: $335.00
Save: 3%
Save: $10.00
Description: - Up pipe to Turbo gasket
- Up pipe to Manifold gasket
Item #: WCF100364
Condition:
New
Price: $19.95
Description: - TIG Welded Fabricated Aluminum Cover for Plastic Reservoir
- Utilizes OEM Mounting Points and Hardware
- Installs in minutes with basic hand tools
- Custom Powder Coat Finish
- Made in USA
-...More Details »
Item #: WCF100205
Condition:
New
WCFab Red, Illusion Purple, Candy Teal, Bengal Blue, Bengal Red, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on
other colors.
Price: $150.00
Sale: $145.00
Save: 3%
Save: $5.00
Description: -CNC Machined Billet Aluminum GM factory oil cap filler neck replacement
-Matches WCFab Billet Aluminum Coolant Tank and Brake Reservoir Caps
-Includes o-ring seal
-Machined cam lock
-Black...More Details »
Item #: WCF100443
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $53.00
Sale: $51.00
Save: 4%
Save: $2.00
Description: -CNC Machined Billet Aluminum GM factory oil cap filler neck replacement
-Matches WCFab Billet Aluminum Coolant Tank and Brake Reservoir Caps
-Includes o-ring seal
-Machined cam lock
-Clear...More Details »
Item #: WCF100442
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $53.00
Sale: $51.00
Save: 4%
Save: $2.00
Description: - 3" Cold Side Intercooler Pipe
- 14 ga. Aluminum Construction
- Silicone Boots
- T-Bolt Clamps
- Compatible with OEM Y-Bridge/Cross Over Pipe
- Flows 56% Better Than Stock!
- NO Tuning...More Details »
Item #: WCF100355
Condition:
New
WCFab Red, Gloss White and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Price: $294.00