Send Us a Message
Send Message
Skip to content
Home
Duramax
Gen-Y Hitch
Opti-Lube
Amsoil
Racing Products
Merch
Important Links
Need help?
sales@underdog-diesel.com
Follow Us
Facebook
Instagram
Back
Duramax
Duramax 2001-2004 LB7
Duramax 2004.5-2005 LLY
Duramax 2006-2007 LBZ
Duramax 2007.5-2010 LMM
Duramax 2011-2014 LML
Duramax 2015-2016 LML
Duramax 2017-2019 L5P
Duramax 2020-2021 L5P
Back
Gen-Y Hitch
Standard Drop Hitches
Torsion Flex Drop Hitches
Back
Racing Products
Battery Chargers
Lithium Batteries
Back
Merch
Shirts
Hoodie
Hats
Gear
Back
Important Links
Important Links & Downloads
Wholesale Account
Back
Duramax 2001-2004 LB7
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2004.5-2005 LLY
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Cooling System
Back
Duramax 2006-2007 LBZ
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2007.5-2010 LMM
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2011-2014 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2015-2016 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2017-2019 L5P
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Electronics/Monitors
Engine Components
Transmission & Drivetrain
Steering & Suspension Components
Suspension
Towing
Exterior Accessories
Back
Duramax 2020-2021 L5P
Electronics/Monitors
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Steering & Suspension Components
Suspension
Exterior Accessories
Interior Accessories
Towing
UnderDog Diesel
Clear
All categories
All categories
Battery Charger
Cooling System
Engine Component
EXHAUST SYSTEMS
Exterior Accessories
Front End Parts
FUEL SYSTEM
Garage Accessories
Gauges/Monitors
Gift Card
Helmets
Intakes
Interior Accessories
Modules
Motor Vehicle Towing
Oil Additives
OPTIONS_HIDDEN_PRODUCT
Shirts
Steering Components
Steering Components 01-10
Steering Components 11-17
Suspension Components
SUSPENSION LIFTS
TOWING
TRANSMISSION
Turbocharger
Close
Currency
USD $
AUD $
CAD $
USD $
Login
0
Cart
Your cart is empty
Shop our products
Home
Duramax
Duramax 2001-2004 LB7
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2004.5-2005 LLY
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Cooling System
Duramax 2006-2007 LBZ
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2007.5-2010 LMM
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2011-2014 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2015-2016 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2017-2019 L5P
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Electronics/Monitors
Engine Components
Transmission & Drivetrain
Steering & Suspension Components
Suspension
Towing
Exterior Accessories
Duramax 2020-2021 L5P
Electronics/Monitors
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Steering & Suspension Components
Suspension
Exterior Accessories
Interior Accessories
Towing
Gen-Y Hitch
Standard Drop Hitches
Torsion Flex Drop Hitches
Opti-Lube
Amsoil
Racing Products
Battery Chargers
Lithium Batteries
Merch
Shirts
Hoodie
Hats
Gear
Important Links
Important Links & Downloads
Wholesale Account
Home
Fuel System
Fuel System
108 products
Showing 1 - 24 of 25 products
Showing 1 - 24 of 25 products
Display: 24 per page
Display
24 per page
36 per page
48 per page
Sort by
Sort by: Featured
Sort by
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
View
UnderDog Diesel
Duramax Filter Head Delete Tube
Sale price
$9.25
In stock, 116 units
Add to cart
Quick view
Exergy
Exergy Performance Duramax CP3 Pump
Sale price
From
$1,170.00
Choose options
Quick view
AirDog
AirDog® II-4G Lift Pump for Duramax
Sale price
From
$755.00
Choose options
Quick view
G&R Diesel
Billet Aluminum Bottom Sump w/Integrated Return
Sale price
$199.00
Only 1 unit left
Add to cart
Quick view
G&R Diesel
Fuel Line Quick-Connect Plug
Sale price
$17.00
Only 5 units left
Add to cart
Quick view
FASS
Fass Replacement Filter Package
Sale price
$50.35
In stock
Add to cart
Quick view
FASS
Fass Titanium Signature Series Lift Pump Duramax
Sale price
From
$699.00
Choose options
Quick view
AirDog
Airdog Replacement Filter Package
Sale price
$53.00
In stock, 7 units
Add to cart
Quick view
WCFAB
FASS Fuel System Relocation Bracket for 2001-2016 Crew Cab Duramax
Sale price
From
$95.00
Choose options
Quick view
FASS
FASS DFD-4000 Factory Fuel Filter Delete Bowl Duramax
Sale price
$77.90
Add to cart
Quick view
FASS
Fass Extended Length Filter Kit
Sale price
$56.05
Only 2 units left
Add to cart
Quick view
AirDog
AirDog Push-Loc Fuel Pressure Tee
Sale price
$12.50
Add to cart
Quick view
FASS
DIESEL FUEL 5/8 SUCTION TUBE KIT WITH BULKHEAD FITTING
Sale price
$84.55
Add to cart
Quick view
Fleece
Fleece Performance Powerflo Lift Pump for 04.5-10 Duramax
Sale price
$749.00
Choose options
Quick view
FASS
FASS HK-1002 HIGH OUTPUT HEATER DISK
Sale price
$160.55
Add to cart
Quick view
Fleece
Fleece Performance CP3
Sale price
From
$1,179.00
Choose options
Quick view
S&S Diesel Motorsport
S&S Diesel Duramax High Pressure CP3 Pump
Sale price
From
$1,130.00
Choose options
Quick view
FASS
FASS TITANIUM SERIES OPTIONAL ELECTRIC DIESEL FUEL HEATER KIT
Sale price
$160.55
Add to cart
Quick view
Exergy
2004.5-2005 LLY Duramax Exergy Injectors (Set of 8)
Sale price
From
$3,176.00
Choose options
Quick view
Titan Fuel Tanks
Titan Extra Capacity Fuel Tank for 2001-2010 GM 2500/3500HD Duramax
Sale price
From
$1,642.55
Choose options
Quick view
Titan Fuel Tanks
Titan Fuel Tanks Travel Trekker Auxiliary Fuel System
Sale price
From
$1,329.05
Choose options
Quick view
Titan Fuel Tanks
Titan Tanks Locking Black Fuel Cap for Travel Trekker
Sale price
$37.05
Add to cart
Quick view
BD Diesel
BD Diesel Fuel Rail Plug for Duramax 04.5-10 & Cummins 07.5-18
Sale price
$37.95
Add to cart
Quick view
AirDog
AirDog® II-5G Lift Pump for Duramax
Sale price
$875.00
Choose options
Quick view
1
2
Page 1 / 2
Next
Recently viewed
Opens in a new window.