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UnderDog Diesel » 2003, Chevrolet, Silverado 2500
Products for:
- Year: 2003
- Make: Chevrolet
- Model: Silverado 2500
View Universal items for: 2003 Chevrolet Silverado 2500
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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 California.
Price: $239.00
Sale: $231.83
Save: 3%
Save: $7.17
Description: 14g Aluminum Coolant Pipe
Silicone Boots
Stainless Steel T-Bolt Clamps
Custom Powder Coat Finish
Item #: WCF100860
Condition:
New
WCFab Red in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $143.00
Sale: $138.71
Save: 3%
Save: $4.29
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: $474.00
Sale: $459.78
Save: 3%
Save: $14.22
Description: Coolant Tank
Low Coolant Level Sensor
Billet Anodized Cap
Over Flow Hose
Coolant Level Sight Glass
Installation Hardware
Powder Coating
Item #: WCF100645
Condition:
New
WCFab Red 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: $473.00
Sale: $458.81
Save: 3%
Save: $14.19
Description: -Coolant Tank
-Low coolant sensor
-Cap
-Hoses
-Clamps
-Fittings
-Powder Coating
Item #: WCF100642
Condition:
New
10-15 Business Day Lead Time
Price: $365.00
Sale: $354.05
Save: 3%
Save: $10.95
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: $179.00
Sale: $173.63
Save: 3%
Save: $5.37
Description: #NAME?
Item #: WCF206-19
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $49.00
Sale: $47.53
Save: 3%
Save: $1.47
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: $989.00
Sale: $959.33
Save: 3%
Save: $29.67
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: $989.00
Sale: $959.33
Save: 3%
Save: $29.67
Wehrli Custom Fabrication 2001-2010 Duramax Traction Bar Brackets & Hardware Install Kit - WCF100840
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: $274.00
Sale: $265.78
Save: 3%
Save: $8.22
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 in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $289.00
Sale: $280.33
Save: 3%
Save: $8.67
Description: -Left & Right Mount
-High Grade Hardware for Mount to Engine
-Thread-locker compound
-Poly Bushings
-Powder Coating
Item #: WCF100158
Condition:
New
Gloss black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $479.00
Sale: $464.63
Save: 3%
Save: $14.37
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
Sale: $367.63
Save: 3%
Save: $11.37
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 California.
Price: $1,399.00
Sale: $1,357.03
Save: 3%
Save: $41.97
Description: ARP Up Pipe Bolt kit for 2001-2016 Duramax. 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: $37.00
Sale: $35.89
Save: 3%
Save: $1.11
Description: Driver Side 2" Stainless Up Pipe
Up Pipe Gaskets (2)
Item #: WCF100652
Condition:
New
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $335.00
Sale: $324.95
Save: 3%
Save: $10.05
Description: - Up pipe to Turbo gasket
- Up pipe to Manifold gasket
Item #: WCF100364
Condition:
New
Price: $19.95
Sale: $19.35
Save: 3%
Save: $0.60
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
Item #: WCF100205
Condition:
New
WCFab Red, 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: $145.00
Sale: $140.65
Save: 3%
Save: $4.35
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: $51.00
Sale: $49.47
Save: 3%
Save: $1.53
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: $51.00
Sale: $49.47
Save: 3%
Save: $1.53
Description: #NAME?
Item #: WCF100828
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $114.00
Sale: $110.58
Save: 3%
Save: $3.42
Description: -Billet Front Engine Cover
-Stainless Hardware
-CP3 pump mounting plates (or block off plates)
Item #: WCF100127
Condition:
New
Variable lead time. Please call for current availability.
This Product cannot ship to the state of California
Price: $2,995.00
Sale: $2,905.15
Save: 3%
Save: $89.85
Description: -Left and Right side Billet Runner Intakes
-Stainless Hardware
-Stainless Braided pressure crossover line
Item #: WCF100348
Condition:
New
Please call for availability.
This Product cannot ship to the state of California
Price: $2,695.00
Sale: $2,614.15
Save: 3%
Save: $80.85
Description: Aluminum Fabricated Cover
Stainless Hardware
Fill Plug
Custom Powder Coat Finish
Made in USA
Item #: WCF100113
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.
Price: $374.00
Sale: $362.78
Save: 3%
Save: $11.22
Description: Mount Bracket
Grade 8 Hardware
Zinc primer & Semi gloss black powder coat finish
Item #: WCF100265
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $99.00
Sale: $96.03
Save: 3%
Save: $2.97
Description: - Left & Right Side L5P Swap Mounts
- Laser Cut, CNC Bent, Welded Steel Construction
- High Grade Hardware Included
- Poly Bushings
- Semi-Gloss Black Powder Coat Finish
- Positions L5P...More Details »
Item #: WCF100170
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $595.00
Sale: $577.15
Save: 3%
Save: $17.85
Description: -3" Down Pipe (HX40 STYLE FLANGE)
-V-band Clamp
-Heat Wrap & Clamps
-High Temp Coating
Item #: WCF100123
Condition:
New
Built to order. 10-15 business day lead time.
This Product cannot ship to the state of California
Price: $249.00
Sale: $241.53
Save: 3%
Save: $7.47
Description: - For installation of fixed vane (Non Coolant Fed) Turbocharger on LB7, LLY, LBZ, LMM Duramax
- Allows removal of the thermostat inside of the upper coolant pipe that feeds coolant to the factory...More Details »
Item #: WCF205-280
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $41.00
Sale: $39.77
Save: 3%
Save: $1.23
Description: - 4" Twin Turbo Down Pipe for LB7/LLY/LBZ/LMM Duramax
- For custom build racing applications to fabricate your own twin turbo kit
- Use in conjunction with WCFab Twin Turbo Pedestal (WCF100675)...More Details »
Item #: WCF100274
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $629.00
Sale: $610.13
Save: 3%
Save: $18.87
Item #: WCF206-9
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $89.00
Sale: $86.33
Save: 3%
Save: $2.67
Item #: WCF206-41
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $79.00
Sale: $76.63
Save: 3%
Save: $2.37
Description: -Stainless Braided #8 Drain Line 30"
-Stainless Braided #4 Feed Line 30"
-1/4" x #4 Fitting for Turbo Feed
-3/8" NPT X #8 45* Fitting for Oil Pan
-M14 Fitting for Oil Feed from Engine Block
Item #: WCF100378
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $199.00
Sale: $193.03
Save: 3%
Save: $5.97
Description: - #6 Oil Feed Line
- #10 Oil Drain Line
- Parker stainless braided drain and feed lines
- Fittings for turbo, oil pan and engine block
Item #: WCF100380
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $150.00
Sale: $145.50
Save: 3%
Save: $4.50
Item #: WCF100675
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $289.00
Sale: $280.33
Save: 3%
Save: $8.67
Description: -Parker stainless braided #10 drain and #4 Feed Line
-Plug for OEM feed location in valley
-Fitting for turbo Feed
-Fitting for engine block oil galley
-Turbo drain flange and fitting
-Flange...More Details »
Item #: WCF100397
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $289.00
Sale: $280.33
Save: 3%
Save: $8.67
Description: -3" Down Pipe
-V-band Clamp
-Heat Wrap & Clamps
-High Temp Coating
Item #: WCF100878, WCF100811
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $249.00
Sale: $241.53
Save: 3%
Save: $7.47
Description: - 12 Specially Selected High Strength Stainless Steel 12-point ARP fasteners
- 12 Matched ARP Stainless Steel Washers
Item #: WCF100217
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $69.00
Sale: $66.93
Save: 3%
Save: $2.07
Alternators
Description: Fits: 2001-2007 GM 6.6L Duramax
Item #: XD224
Condition:
New
Price: $299.95
Engine Push Rod
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD315
Condition:
New
Price: $349.95
Engine Push Rod
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD316
Condition:
New
Price: $378.95
Engine Oil Filler Cap
Item #: XD477
Condition:
New
Price: $29.95
Engine Rocker Arm Bridge
Item #: XD384
Condition:
New
Price: $459.95
Description: Fits 2001-2016 6.6L Duramax LB7/LLY/LMM/LML w/ Allison A1000
Item #: XD651
Condition:
New
Price: $349.95
Starter
Item #: XD533
Condition:
New
Price: $9.95
Fuel Filter
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD171
Condition:
New
Price: $99.95
Engine Connecting Rod
Item #: XD3019RB
Condition:
New
Price: $209.95
Engine Crankshaft Pin
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD331
Condition:
New
Not Available
Price: $159.95
Wrench
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD325
Condition:
New
Price: $18.95
Fuel Filter
Description: Fits: 2001-2016 GM 6.6L Duramax
Item #: XD163
Condition:
New
Price: $76.95
Wrench
Description: Fits: 2001-2011 GM 6.6L Duramax
Item #: XD128
Condition:
New
Price: $18.95
Fuel Filter Spacer
Description: Fits: 2001-2016 GM Duramax 6.6L
Item #: XD138
Condition:
New
Price: $8.95
Fuel Return Line
Item #: XD476
Condition:
New
Price: $79.95
Starter
Description: Fits: 2001-2019 GM 6.6L Duramax
Item #: XD251
Condition:
New
Price: $299.95
Fuel Injector
Item #: XD410
Condition:
New
Price: $245.95
Engine Head Stud
Item #: XD3007MS
Condition:
New
Price: $234.95
Fuel Injector
Item #: XD594
Condition:
New
Price: $49.95
Fuel Injector
Item #: XD597
Condition:
New
Price: $49.95
Fuel Injector
Item #: XD595
Condition:
New
Price: $49.95
Fuel Injector
Item #: XD596
Condition:
New
Price: $49.95
Engine Valve Spring
Item #: XD386
Condition:
New
Price: $649.95