- Home »
- Catalog
UnderDog Diesel » Ram 3500
Products for:
- Model: Ram 3500
View Universal items for: Ram 3500
Browse Products
Item #: 325-60SAC-R
Condition:
New
This product cannot ship to California.
Price: $3,072.00
Item #: 325-80SAC-R
Condition:
New
This product cannot ship to California.
Price: $3,268.20
Item #: 325-10VCO-R
Condition:
New
This product cannot ship to California.
Price: $2,268.00
Fuel Tank
Description: Extra Large Midship Tank 51 Gallon
Item #: 7030213
Condition:
New
Price: $1,386.05
Fuel Tank
Description: Extra Large Midship Tank 52 Gallon
Item #: 7030206
Condition:
New
Price: $1,538.05
Fuel Tank
Description: Extra Large Midship Tank 52 Gallon Cross Linked Polyethylene Fuel Tank
Item #: 7030113
Condition:
New
Price: $1,215.05
Fuel Tank
Description: Extra Large Midship Tank 55 Gallon
Item #: 7030313
Condition:
New
Price: $1,538.05
Fuel Tank
Description: Extra Large Midship Tank 56 Gallon
Item #: 7030210
Condition:
New
Price: $1,747.05
Fuel Tank
Description: Extra Large Midship Tank 60 Gallon
Item #: 7030303
Condition:
New
Price: $1,747.05
Fuel Line
Description: Fuel Line Extension Kit
Item #: 0299007
Condition:
New
Price: $94.05
Fuel Tank Attaching Hardware
Description: Fuel Tank Adaption Kit
Item #: 0299001
Condition:
New
Price: $65.55
Fuel Tank Brace
Description: Fuel Tank S Support
Item #: 0299003
Condition:
New
Price: $94.05
Fuel Tank
Description: Spare Tire Auxiliary Fuel System
Item #: 4030213
Condition:
New
Price: $2,013.05
Fuel Tank
Description: Spare Tire Auxiliary Fuel System 30 Gallon
Item #: 4030203
Condition:
New
Price: $2,003.55
Spare Tire Carrier Mount
Description: Spare Tire Buddy In Bed Tire Mount
Item #: 9901330
Condition:
New
Price: $94.05
Fuel Tank
Description: Travel Trekker Auxiliary Diesel Fuel System In Bed 40 Gallon
Item #: 5410040
Condition:
New
Price: $1,329.05
Fuel Tank
Description: Travel Trekker Auxiliary Diesel Fuel System In Bed 50 Gallon
Item #: 5410050
Condition:
New
Price: $1,357.55
Description: Drop-in replacement for the factory transmission cooler with no cutting or splicing of OE lines.
Massive 2X increase in heat rejection and efficiency vs. stock!
Item #: FPE-TC-CUMM-9402
Condition:
New
Price: $859.00
Description: -1/2" T4 Spacer Plate, Ceramic Coated
-M10 Studs, Nuts, & Washers
-(2) T4 Gaskets
Item #: WCF100118
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $82.00
Sale: $79.54
Save: 3%
Save: $2.46
Description: CNC Machined from Billet Aluminum
Reusable O-Ring Seals
Black Anodized Finish with Engraved WCFab Logo
NO Tuning required, bolt on!
Will fit on stock truck no other modifications or...More Details »
Item #: WCF100338
Condition:
New
Black Anodized in stock and ships in 3-5 business days.
This product cannot ship to California.
Price: $92.00
Sale: $89.24
Save: 3%
Save: $2.76
Description: - Direct Replacement for OEM Thermostat Housing
- Powder coated in your choice of color
- Features -8 AN O-ring auxiliary port with plug for accessories or customized coolant routings
- Made in USA
Item #: WCF100157
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: $179.00
Sale: $173.63
Save: 3%
Save: $5.37
Description: - CNC Machined Billet Cap is a direct OEM Replacement, not a cover
- Made in USA
- Black Anodized Finish
- Installs in seconds
- Reuses diaphragm from existing cap
Item #: WCF100258
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $35.00
Sale: $33.95
Save: 3%
Save: $1.05
Description: - CNC Machined Billet Cap is a direct OEM Replacement, not a cover
- Made in USA
- Clear Anodized Finish
- Installs in seconds
- Reuses diaphragm from existing cap
Item #: WCF100257
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $35.00
Sale: $33.95
Save: 3%
Save: $1.05
Description: -CNC Machined Billet Cap is a direct OEM Replacement, not a cover
-Matches WCFab Billet Aluminum Brake Reservoir Caps
-Includes o-ring seal
-Black Anodized Finish
-Engraved Wehrli Custom logo...More Details »
Item #: WCF100395
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $59.00
Sale: $57.23
Save: 3%
Save: $1.77
Description: -CNC Machined Billet Cap is a direct OEM Replacement, not a cover
-Matches WCFab Billet Aluminum Brake Reservoir Caps
-Includes o-ring seal
-Clear Anodized Finish
-Engraved Wehrli Custom logo...More Details »
Item #: WCF100394
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $59.00
Sale: $57.23
Save: 3%
Save: $1.77
Description: - Made from aircraft quality 6061-T6 aluminum
- Features a baffled breather system
- Includes a WCFab Engraved Cap
- Powder coated in your choice of color
- Includes D&J's custom billet...More Details »
Item #: WCF100330
Condition:
New
10-15 Business Day Lead Time
This Product cannot ship to the state of California
Price: $635.00
Sale: $615.95
Save: 3%
Save: $19.05
Description: -3" Intercooler Pipe
-Silicone Boots
-T-Bolt Clamps
-Powder Coat
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100359
Condition:
New
10-15 Business Day Lead Time
This Product cannot ship to the state of California
Price: $205.00
Sale: $198.85
Save: 3%
Save: $6.15
Description: -3" Intercooler Pipe
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrades necessary!
Item #: WCF100544
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: $209.00
Sale: $202.73
Save: 3%
Save: $6.27
Description: - 60% greater flow than stock
- 3.5" High Flow Intake Horn & matching 3.5" Intercooler Pipe
- High Quality Aluminum Construction
- Intake Gasket
- Hardware
- Powder Coating
- Silicone Boots...More Details »
Item #: WCF100528
Condition:
New
WCFab Red with Standard Brushed Tag, Bengal 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.
This Product cannot ship to the state of California
Price: $549.00
Sale: $532.53
Save: 3%
Save: $16.47
Description: - 5" Intake
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- 4" Two Piece Down Pipe
- S400 Turbo Pedestal
- 3.5" Hot Side Pipe
- 3.5" Cold Side Charge Pipe
- 3" Intercooler Pipe
-...More Details »
Item #: WCF100864
Condition:
New
10-15 Business Day Lead Time.
This Product cannot ship to the state of California
Price: $2,795.00
Sale: $2,711.15
Save: 3%
Save: $83.85
Description: - 5" Intake
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- 4" Two Piece Down Pipe
- S400 Turbo Pedestal
- 3.5" Hot Side Pipe
- 3.5" Cold Side Charge Pipe
- 3" Intercooler Pipe
-...More Details »
Item #: WCF100580
Condition:
New
10-15 Business Day Lead Time.
This Product cannot ship to the state of California
Price: $2,895.00
Sale: $2,808.15
Save: 3%
Save: $86.85
Description: - 5" Intake
- Dry Air filter
- Outerwear's Pre-Filter Cover
- Stainless Steel Oil Feed and Drain Lines with Fittings
- 4" Turbo Down Pipe
- 3" Turbo Hot Side Cross Over Pipe
- 3" Cold Charge...More Details »
Item #: WCF100567
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: $2,295.00
Sale: $2,226.15
Save: 3%
Save: $68.85
Description: -Flows 60% better than stock parts!
-3" Hot / Passenger Side Intercooler Pipe
-3.5" High Flow Intake Horn & Matching 3.5" Cold / Driver Side Intercooler Pipe
-High Quality Aluminum Construction...More Details »
Item #: WCF100329
Condition:
New
10-15 Business Day Lead Time
This Product cannot ship to the state of California
Price: $729.00
Sale: $707.13
Save: 3%
Save: $21.87
Description: -Coolant Pipe
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
Item #: WCF100678
Condition:
New
WCFab Red, WCFab Grey, Candy Teal, Candy 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: $149.00
Sale: $144.53
Save: 3%
Save: $4.47
Description: - Coolant Tank
- Black Anodized Billet Aluminum Cap
- Installation Hardware
- Powder Coating
Item #: WCF100542
Condition:
New
WCFab Red, WCFab Grey, 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: $409.00
Sale: $396.73
Save: 3%
Save: $12.27
Description: -4" Shorty Down Pipe (Mates to exhaust system V-band)
-4" Intake
-Dry Air Filter
-Outerwear's Pre-Filter Cover
-Oil Feed Line Fitting
-Oil Drain Line Assembly
-1/2" T4 Spacer plate
-3" Hot...More Details »
Item #: WCF100475
Condition:
New
STAINLESS DIESEL EXHAUST MANIFOLDS 15% OFF FOR A LIMITED TIME. Price as marked in drop
down notes. 10-15 Business Day Lead Time.
This Product cannot ship to the state of California
Price: $1,379.00
Sale: $1,337.63
Save: 3%
Save: $41.37
Description: -4" Shorty Down Pipe (Mates to exhaust system V-band)
-5" Intake
-Dry Air Filter
-Outerwear's Pre-Filter Cover
-Oil Feed Line Fitting
-Oil Drain Line Assembly
-1/2" T4 Spacer plate
-One...More Details »
Item #: WCF100486
Condition:
New
WCFab Red and WCFab Grey in stock and ships in 3-5 business days. 10-15 business day lead
time on other colors. STAINLESS DIESEL EXHAUST MANIFOLDS 15% OFF FOR A
LIMITED TIME. Price
as marked in drop down notes.
This Product cannot ship to the state of California
Price: $1,379.00
Sale: $1,337.63
Save: 3%
Save: $41.37
Description: - Made from aircraft quality 6061-T6 aluminum
- Features a baffled breather system
- Includes a WCFab Engraved Cap
- Powder coated in your choice of color
- Includes D&J's custom billet...More Details »
Item #: WCF100366
Condition:
New
WCFab Red, WCFab Grey, 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.
This Product cannot ship to the state of California
Price: $635.00
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 #: WCF100209
Condition:
New
WCFab Red, Bengal 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: $149.00
Sale: $144.53
Save: 3%
Save: $4.47
Description: - CAD Designed, Precision Laser Cut and Bent for the most precise fitment from 10G Aluminum Sheet
- Riveted-on Aluminum WCFAB logo
- Custom Powder Coat Finish
- Made in USA
Item #: WCF100539
Condition:
New
10-15 Business Day Lead Time
Price: $199.00
Sale: $193.03
Save: 3%
Save: $5.97
Description: - 4" Intake
- Air Box with Lid
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware, Silicone Boot and Stainless Steel T-Bolt Clamps
- Eliminates OEM Turbo / Intake...More Details »
Item #: WCF100875
Condition:
New
10-15 Business Day Lead Time
This Product cannot ship to the state of California
Price: $539.00
Sale: $522.83
Save: 3%
Save: $16.17
Description: - Coolant Tank
- Black Anodized Billet Aluminum Cap
- Over Flow Hose
- Coolant Level Sight Glass
- Installation Hardware
- Powder Coating
Item #: WCF100212
Condition:
New
WCFab Red, WCFab Grey, 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: $449.00
Sale: $435.53
Save: 3%
Save: $13.47
Description: - Installs in minutes with basic hand tools
- Laser Cut, CNC Bent, & TIG Welded 10 Gauge Aluminum Construction
- Oil Dip Stick Pass Through
- Includes installation hardware
- Made in USA
-...More Details »
Item #: WCF100730
Condition:
New
WCFab Red, WCFab Grey, Gloss White, Gloss Black and Bengal Red in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Price: $219.00
Sale: $212.43
Save: 3%
Save: $6.57
Wehrli Custom Fabrication 2011-2016 Duramax / 2013-2018 Cummins Low Coolant Level Sensor - WCF206-25
Description: #NAME?
Item #: WCF206-25
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $49.00
Sale: $47.53
Save: 3%
Save: $1.47
Description: -Fabricated Aluminum Coolant Pipe
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
-Replaces failure prone OEM plastic Y pipe
Item #: WCF100867
Condition:
New
WCFab Red, WCFab Grey, 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: $209.00
Sale: $202.73
Save: 3%
Save: $6.27
Description: - CAD Designed, Precision Laser Cut and Bent for the most precise fitment from 10G Aluminum Sheet
- Riveted-on Aluminum WCFAB logo
- Custom Powder Coat Finish
- Made in USA
Item #: WCF100546
Condition:
New
10-15 Business Day Lead Time
Price: $199.00
Sale: $193.03
Save: 3%
Save: $5.97
Description: - 4" Intake
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware, Silicone Boot and Stainless Steel T-Bolt Clamps...More Details »
Item #: WCF100881
Condition:
New
WCFab Red, WCFab Grey, Bengal 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: $599.00
Sale: $581.03
Save: 3%
Save: $17.97
Description: - Replaces the smaller, restrictive factory pipe with high flowing 3.5” diameter pipes
- 14ga HD Aluminum Construction
- Includes upgraded high quality silicone boots
- Available in a wide...More Details »
Item #: WCF100434
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: $274.00
Sale: $265.78
Save: 3%
Save: $8.22
Description: - 5" Intake
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware, Silicone Boot and Stainless Steel T-Bolt Clamps...More Details »
Item #: WCF100315
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: $599.00
Sale: $581.03
Save: 3%
Save: $17.97
Description: - Replaces the smaller, restrictive factory pipes with high flowing 3.5” diameter pipes
- 14ga HD Aluminum Construction
- Includes upgraded high quality silicone boots
- Available in a wide...More Details »
Item #: WCF100292
Condition:
New
WCFab Red, WCFab Grey, 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.
This Product cannot ship to the state of California
Price: $549.00
Sale: $532.53
Save: 3%
Save: $16.47
Description: - Direct Replacement for OEM Thermostat Housing
- Powder coated in your choice of color
- Features -8 AN O-ring auxiliary port with plug for accessories or customized coolant routings
- Made in USA
Item #: WCF100169
Condition:
New
WCFab Red, WCFab Grey, 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: $179.00
Sale: $173.63
Save: 3%
Save: $5.37
Wehrli Custom Fabrication 2019-2023 6.7L Cummins Standard Output (SO) Upper Coolant Pipe - WCF100223
Description: -Aluminum Coolant Pipe
-Silicone Boots
-T-Bolt Clamps
-Powder Coating
-For Standard Output (SO) Engines ONLY. For HIGH OUTPUT (HO) Engines, Please See WCF100251
Item #: WCF100223
Condition:
New
WCFab Red, WCFab Grey, 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: $149.00
Sale: $144.53
Save: 3%
Save: $4.47
Description: - Aluminum Coolant Pipe
- Silicone Boots
- T-Bolt Clamps
- Powder Coating
- For trucks equipped with High Output engine option only, please see WCF100223 for Standard Output Trucks
Item #: WCF100251
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.
Price: $155.00
Sale: $150.35
Save: 3%
Save: $4.65
Description: -Coolant Tank
-Low Coolant Level Sensor
-Black Anodized Billet Aluminum Cap
-Over Flow Hose
-Coolant Level Sight Glass
-Installation hardware
-Heat Shield Wrap
-Powder Coating
Item #: WCF100284
Condition:
New
WCFab Red, WCFab Grey, 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: $499.00
Sale: $484.03
Save: 3%
Save: $14.97
Description: Aluminum Fabricated Cover
Stainless Hardware
Fill Plug
Custom Powder Coat Finish
Item #: WCF100114
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.
Price: $354.00
Sale: $343.38
Save: 3%
Save: $10.62
Description: - For use with S300 or S400 Style Turbos Mounted in the High Mount 2nd Gen Configuration
- #6 / -6AN Stainless Steel Braided Line for Turbocharger Oil Feed
- #10 / -10AN Stainless Steel Braided...More Details »
Item #: WCF100279
Condition:
New
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Price: $239.00
Sale: $231.83
Save: 3%
Save: $7.17
Description: - 5" 14G Aluminum Intake Elbow
- Mounting Ports for Intake Sensors
- Includes air filter, Outerwears cover and hardware
- Compatible with S400 Frame turbochargers
- High Quality Silicone Boot...More Details »
Item #: WCF100827
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: $399.00
Sale: $387.03
Save: 3%
Save: $11.97
Wehrli Custom Fabrication Dodge, Ford, Universal 60" Traction Bar Kit (RCLB, ECSB, CCSB) - WCF100854
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 #: WCF100854
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: $735.00
Sale: $712.95
Save: 3%
Save: $22.05
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 #: WCF100855
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: $735.00
Sale: $712.95
Save: 3%
Save: $22.05
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: $354.00
Sale: $343.38
Save: 3%
Save: $10.62