Add to cart product

VIEW CART

2001-2004 Duramax LB7 - DIESELR Corp. Skip to content

MILITARY & FIRST RESPONDER DISCOUNT

FOR DIESELR APPAREL GO HERE

Country/region

Search

Canada CAD $
United States USD $

Home
Powerstroke
- 1996-2002 Powerstroke 7.3L
  
  1996-2002 Powerstroke 7.3L Exhaust
- 2003-2007 Powerstroke 6.0L
- 2007.5-2010 Powerstroke 6.4L
- 2011-2016 Powerstroke 6.7L
- 2017-2019 Powerstroke 6.7L
- 2020-2022 Powerstroke 6.7L
Duramax
Cummins
Hardware

Country/region

Search

Canada CAD $
United States USD $

X (Twitter)
Facebook
Pinterest
Instagram
TikTok
YouTube

Home
Powerstroke
- 1996-2002 Powerstroke 7.3L
  
  1996-2002 Powerstroke 7.3L Exhaust
- 2003-2007 Powerstroke 6.0L
- 2007.5-2010 Powerstroke 6.4L
- 2011-2016 Powerstroke 6.7L
- 2017-2019 Powerstroke 6.7L
- 2020-2022 Powerstroke 6.7L
Duramax
Cummins
Hardware

Search for Products

DIESELR Corp.
Collections
2001-2004 Duramax LB7

Collection: 2001-2004 Duramax LB7

Sort by:

146 products

Filter:

Quick Filter (0) Match all

Quick Filter

Tune Files (9 products)
Tuner With Tunes (1 product)
Exhaust Systems (1 product)

Product type (0)

Product type

Air Filteration (5 products)
Cables (2 products)
CatchCan (3 products)
Chevy/GMC Diesel (2 products)
Cold Air Intake (3 products)
Coolant Overflow Tank (1 product)
Diesel (5 products)
Diesel Fuel Injection Pump (3 products)
Diesel Fuel Injector Nozzle (2 products)
DIESEL PERFORMANCE (15 products)
Engine Coolant Thermostat Housing (1 product)
Engine Valve Cover (1 product)
Exhaust System (3 products)
Fuel (2 products)
Fuel Additives (1 product)
Fuel Injector (16 products)
Fuel System Upgrades (2 products)
Fuel Tank Sump (1 product)
GDP Licenses (2 products)
GDP Tune Files (4 products)
Gift Cards (1 product)
Intake (3 products)
Intake Kits (1 product)
Intercooler Pipes (1 product)
Lubricants (5 products)
Motor Vehicle Fuel Systems (7 products)
Motor Vehicle Parts (4 products)
Muffler (3 products)
Oil System Cleaning Kit (1 product)
Steering Gears (2 products)
Switch Bracket (1 product)
Switches (4 products)
Traction Bars (2 products)
Tune Files (9 products)
Tuning Bundle (1 product)
Tuning Devices (3 products)
Turbocharger (3 products)
Turbocharger Down Pipe (1 product)
Turbocharger Mounting Kit (1 product)
Up-pipes (3 products)
Vehicle Parts & Accessories (1 product)
TCM Tune File (3 products)

Tuner (0) Match all

Tuner

EFI Live (10 products)
MPVi3 (4 products)

Make (0)

Make

6.6L LML GM Duramax (8 products)
6.6L LMM GM Duramax (15 products)
6.6L LBZ GM Duramax (16 products)
6.6L LLY GM Duramax (16 products)
6.6L LB7 GM Duramax (20 products)
6.7L Dodge/Ram Cummins (2 products)
Universal Fitment (3 products)
GM Duramax Models (16 products)
Dodge/Ram Cummins Models (2 products)

Brand (0)

Brand

Calibrated Power (3 products)
Chaos Custom Tuning (3 products)
DieselR Parts (4 products)
DIESELR Tuning (3 products)
Dynomite Diesel (22 products)
Edge Products (3 products)
EFI Live (1 product)
FASS Fuel Systems (41 products)
GDP (27 products)
HSP Diesel (10 products)
Katz Azz (5 products)
No Limit Fabrication (10 products)
Polar Diesel (3 products)
RedHead Steering Gears (2 products)
S&B (6 products)
S&S Diesel Motorsport (3 products)

Price

The highest price is $12,805.71

$

From

To

Availability (0)

Availability

In stock (145 products)
Out of stock (5 products)

Filter and sort Filter

Filter and sort

Filter

146 products

Quick Filter

Tune Files (9 products)
Tuner With Tunes (1 products)
Exhaust Systems (1 products)

Clear

Product type

Air Filteration (5 products)
Cables (2 products)
CatchCan (3 products)
Chevy/GMC Diesel (2 products)
Cold Air Intake (3 products)
Coolant Overflow Tank (1 products)
Diesel (5 products)
Diesel Fuel Injection Pump (3 products)
Diesel Fuel Injector Nozzle (2 products)
DIESEL PERFORMANCE (15 products)
Engine Coolant Thermostat Housing (1 products)
Engine Valve Cover (1 products)
Exhaust System (3 products)
Fuel (2 products)
Fuel Additives (1 products)
Fuel Injector (16 products)
Fuel System Upgrades (2 products)
Fuel Tank Sump (1 products)
GDP Licenses (2 products)
GDP Tune Files (4 products)
Gift Cards (1 products)
Intake (3 products)
Intake Kits (1 products)
Intercooler Pipes (1 products)
Lubricants (5 products)
Motor Vehicle Fuel Systems (7 products)
Motor Vehicle Parts (4 products)
Muffler (3 products)
Oil System Cleaning Kit (1 products)
Steering Gears (2 products)
Switch Bracket (1 products)
Switches (4 products)
Traction Bars (2 products)
Tune Files (9 products)
Tuning Bundle (1 products)
Tuning Devices (3 products)
Turbocharger (3 products)
Turbocharger Down Pipe (1 products)
Turbocharger Mounting Kit (1 products)
Up-pipes (3 products)
Vehicle Parts & Accessories (1 products)
TCM Tune File (3 products)

Clear

Tuner

EFI Live (10 products)
MPVi3 (4 products)

Clear

Make

6.6L LML GM Duramax (8 products)
6.6L LMM GM Duramax (15 products)
6.6L LBZ GM Duramax (16 products)
6.6L LLY GM Duramax (16 products)
6.6L LB7 GM Duramax (20 products)
6.7L Dodge/Ram Cummins (2 products)
Universal Fitment (3 products)
GM Duramax Models (16 products)
Dodge/Ram Cummins Models (2 products)

Clear

Brand

Calibrated Power (3 products)
Chaos Custom Tuning (3 products)
DieselR Parts (4 products)
DIESELR Tuning (3 products)
Dynomite Diesel (22 products)
Edge Products (3 products)
EFI Live (1 products)
FASS Fuel Systems (41 products)
GDP (27 products)
HSP Diesel (10 products)
Katz Azz (5 products)
No Limit Fabrication (10 products)
Polar Diesel (3 products)
RedHead Steering Gears (2 products)
S&B (6 products)
S&S Diesel Motorsport (3 products)

Clear

Price

The highest price is $12,805.71

$

From

$

To

Clear

Availability

In stock (145 products)
Out of stock (5 products)

Clear

Sort by:

Remove all

146 products

5 Position SOTF/DSP Switch (Universal)

Switches

Vendor:
GDP
5 Position SOTF/DSP Switch (Universal)

Regular price $20.00 USD

Regular price ~~$0.00 USD~~ Sale price $20.00 USD
Unit price per
EFI Live VIN License

GDP Licenses

Vendor:
GDP
EFI Live VIN License

Regular price $125.00 USD

Regular price Sale price $125.00 USD
Unit price per
HP Tuners MPVI3 - Blank

Tuning Devices

Vendor:
GDP
HP Tuners MPVI3 - Blank

Regular price $399.99 USD

Regular price Sale price $399.99 USD
Unit price per
DIESELR Universal Muffler

Muffler

Vendor:
DieselR Parts
Universal Muffler

Universal Fitment

Regular price From $125.00 USD

Regular price Sale price From $125.00 USD
Unit price per
DIESELR EFI Live Transmission Tune Files (2001-2016 Duramax 6.6L)

EFI Live TCM Tune File

Vendor:
DIESELR Tuning
EFI Live Transmission Tune Files

GM Duramax Models (2001-2016)

Fits:
2011-2016 6.6L LML GM Duramax

2007.5-2010 6.6L LMM GM Duramax

2006-2007 6.6L LBZ GM Duramax

2004.5-2005 6.6L LLY GM Duramax

2001-2004 6.6L LB7 GM Duramax

Regular price $200.00 USD

Regular price ~~$0.00 USD~~ Sale price $200.00 USD
Unit price per
EFI Live Autocal V3 - Blank (Duramax / Cummins)

Tuning Devices

Vendor:
GDP
EFI Live Autocal V3 - Blank (Duramax / Cummins)

Regular price $580.00 USD

Regular price Sale price $580.00 USD
Unit price per
EFI Live License FlashScan V2/V3

GDP Licenses

Vendor:
GDP
EFI Live License FlashScan V2/V3

Regular price $125.00 USD

Regular price Sale price $125.00 USD
Unit price per
Rotary Switch Bracket (2001-2016 6.6L Duramax)

Switch Bracket

Vendor:
GDP
Rotary Switch Bracket (2001-2016 6.6L Duramax)

Regular price $23.99 USD

Regular price Sale price $23.99 USD
Unit price per
Universal 4" Polar Muffler

Muffler

Vendor:
Polar Diesel
Universal 4" Polar Muffler

Regular price $92.59 USD

Regular price Sale price $92.59 USD
Unit price per
Edge Insight CTS3 Digital Gauge Monitoring System

Tuning Devices

Vendor:
Edge Products
Edge Insight CTS3 Digital Gauge Monitoring System

Regular price $490.00 USD

Regular price ~~$0.00 USD~~ Sale price $490.00 USD
Unit price per
DIESELR Up-Pipe - Passenger Side (2001-2016 GM 2500/3500 6.6L Duramax)

Exhaust

Vendor:
DieselR Parts
Up-Pipe - Passenger Side (GM 2500/3500)

GM Duramax Models (2001-2016)

Fits:
2011-2016 6.6L LML GM Duramax

2007.5-2010 6.6L LMM GM Duramax

2006-2007 6.6L LBZ GM Duramax

2004.5-2005 6.6L LLY GM Duramax

2001-2004 6.6L LB7 GM Duramax

Regular price $170.00 USD

Regular price Sale price $170.00 USD
Unit price per
EFI Live Autocal V3 w/GDP Support Package (Cummins 07-09/Duramax 01-10)

EFI Live GDP Tune Files

Vendor:
GDP
EFI Live AutoCal Device with GDP Tune Files

GM Duramax Models (2001-2010)

Fits:
2007.5-2010 6.6L LMM GM Duramax

2006-2007 6.6L LBZ GM Duramax

2004.5-2005 6.6L LLY GM Duramax

2001-2004 6.6L LB7 GM Duramax

Dodge/Ram Cummins Models (2007-2009)

Fits:
2007-2009 6.7L Dodge/Ram Cummins

Regular price $729.99 USD

Regular price Sale price $729.99 USD
Unit price per
Chaos Custom Tuning EFI Live Tune Files (2001-2010 6.6L Duramax)

EFI Live Tune Files

Vendor:
Chaos Custom Tuning
Chaos Custom EFI Live Tune Files

GM Duramax Models (2001-2010)

Fits:
2007.5-2010 6.6L LMM GM Duramax

2006-2007 6.6L LBZ GM Duramax

2004.5-2005 6.6L LLY GM Duramax

2001-2004 6.6L LB7 GM Duramax

Regular price From $250.00 USD

Regular price ~~$0.00 USD~~ Sale price From $250.00 USD
Unit price per
4" Intake S&B Replacement Filter (2007.5-2019 - All GDP Intakes)

Intake

Vendor:
GDP
4" Intake S&B Replacement Filter (2007.5-2019 - All GDP Intakes)

Regular price $69.99 USD

Regular price Sale price $69.99 USD
Unit price per
EFI Live AutoCal Unlink

Vendor:
EFI Live
EFI Live AutoCal Unlink

Regular price $50.00 USD

Regular price Sale price $50.00 USD
Unit price per
OBD2 Splitter

Cables

Vendor:
GDP
OBD2 Splitter

Regular price $15.99 USD

Regular price Sale price $15.99 USD
Unit price per
FASS - Quick Connect Plug 5/16"

Motor Vehicle Fuel Systems

Vendor:
FASS Fuel Systems
FASS - Quick Connect Plug 5/16"

Regular price $10.45 USD

Regular price Sale price $10.45 USD
Unit price per
DIESELR EFI Live Tune Files (2001-2004 Duramax LB7 6.6L)

EFI Live Tune Files

Vendor:
DIESELR Tuning
DieselR EFI Live Tune Files

6.6L LB7 GM Duramax

(2001-2004)

Regular price From $250.00 USD

Regular price ~~$0.00 USD~~ Sale price From $250.00 USD
Unit price per
SOTF Harness (Universal)

Switches

Vendor:
GDP
SOTF Harness (Universal)

Regular price $15.00 USD

Regular price ~~$0.00 USD~~ Sale price $15.00 USD
Unit price per
Edge EAS Pyrometer Probe with Starter Kit

Vendor:
Edge Products
Edge EAS Pyrometer Probe with Starter Kit

Regular price $164.95 USD

Regular price ~~$0.00 USD~~ Sale price $164.95 USD
Unit price per

1
2
3
…
8

Support

Dealer Signup
Software Downloads
Financing
Contact Us
Core Returns
Sponsorship Signup
Report an Issue / Suggest a Feature

Legal Stuff

Return & Refund Policy
Shipping Policy
Terms of Service
Privacy Policy
DNSMPI

More from DIESELR

DIESELR Merch/Giveaways
GDP Tuning
Turn 'Em & Burn 'Em

Who We Are

DieselR builds tuning solutions for serious truck owners. From industry-leading ECM tuning files to performance-driven diesel upgrades, we create tested, proven, and reliable solutions that deliver real power and efficiency. No fluff—just the best tuning and parts for your diesel.

Subscribe to our emails

Email

Facebook
Instagram
YouTube
TikTok
X (Twitter)
Pinterest

Country/region

Search

Canada CAD $
United States USD $

Payment methods

© 2025, DIESELR Corp. Powered by Shopify

Refund policy
Privacy policy
Terms of service
Shipping policy
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.

One or more of the items in your cart is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.