Skip to the content

It's the busy season. Click here for updates!

Quadstar Tuning LLC

Cooling Engine Fuel System Gauges and Monitoring Intake & Exhaust Tuning Transmission and Driveline Turbochargers Miscellaneous

Aluminum Radiator

Engines and Cylinder Heads

Engine Electronics

Engine External

Engine Internals

Gaskets and Seals

Gauges and Monitors

All Intake & Exhaust

High Flow Plenum

Chips and Tunes

All Transmission and Driveline

Turbos and Parts

Miscellaneous and Used Parts

Home
Shop all Products
Knowledge Base

Country/region

Country/region

Search for products

Your cart

Your cart is empty

Home
Shop all Products
Knowledge Base
Cooling
Engine
Fuel System
- Fuel Injection
Gauges and Monitoring
- Gauges and Monitors
Intake & Exhaust
- All Intake & Exhaust
- High Flow Plenum
Tuning
- Chips and Tunes
Transmission and Driveline
- All Transmission and Driveline
Turbochargers
- Turbos and Parts
Miscellaneous
- Tools
- Miscellaneous and Used Parts

Country/region

Country/region

Fuel Injection

Pumps, Injectors, Lift Pumps, Filters, additives and everything else!

Fuel Injection

Sort by:

50 Products

Filter products

In stock 38
Out of stock 13

The highest price is $2,650.00

$ From

$ To

Airdog 2
Alliant Power 1
AM General 3
BD Diesel 1
Bosch 3
DieselSite 2
Dipaco 1
Dorman 1
FASS 1
Flight Systems 3
Hotshot's Secret 1
Quadstar Tuning 21
STANADYNE 10

Electronics 8
Fastner 2
Fitting 4
Fuel Injection 20
Gasket 3
Injection Pump 6
OPTIONS_HIDDEN_PRODUCT 2
Rebuild Kit 2
Seal 1
Tools 1

Flight Systems

Flight Systems PMD

In stock

Regular price $159.97 USD
Sale

Flight Systems

PMD Calibration Resistors

Out of stock

Regular price $18.99 USD

Regular price ~~$19.99 USD~~ Sale price $18.99 USD
Quadstar Tuning

Fuel Inlet Upgrade for DS Pumps

Only 1 left

Regular price $24.99 USD
Quadstar Tuning

Injector Install Kit

Out of stock

Regular price $34.99 USD
Quadstar Tuning

Lift Pump Relay Harness

In stock

Regular price From $114.97 USD
Sale

Quadstar Tuning

Pump Timing Wrench

In stock

Regular price $54.99 USD

Regular price ~~$84.99 USD~~ Sale price $54.99 USD
Quadstar Tuning

Bosch Marine Fuel Injectors

Out of stock

Regular price $599.99 USD
Quadstar Tuning

Billet Fuel Return Log

Out of stock

Regular price $78.00 USD
Quadstar Tuning

Injection pump gasket set

In stock

Regular price $35.00 USD
Quadstar Tuning

Injection Pump PMD Harness

In stock

Regular price $34.99 USD
Quadstar Tuning

Fuel Inlet Upgrade for DB Pumps

In stock

Regular price $14.99 USD
Sale

Bosch

Brand New 6.5L Bosch Turbo Fuel Injectors

In stock

Regular price $499.97 USD

Regular price ~~$599.00 USD~~ Sale price $499.97 USD
STANADYNE

Optic Sensor Oring for DS Injection Pump

In stock

Regular price $9.99 USD
STANADYNE

Top Cover Seal for DS Injection Pump

In stock

Regular price $9.99 USD
Sale

Flight Systems

Flight Systems DS4 Injection Pump with PMD

In stock

Regular price $875.00 USD

Regular price ~~$930.00 USD~~ Sale price $875.00 USD
Alliant Power

Oil Pressure Sensor

In stock

Regular price $42.50 USD
DieselSite

6.5L Remote Fuel Filter Kit

In stock

Regular price From $199.00 USD
Sale

Airdog

AirDog Lift Pump System

In stock

Regular price $788.00 USD

Regular price ~~$829.40 USD~~ Sale price $788.00 USD
Quadstar Tuning

6AN Female to 3/8 90 Degree Pushlock Hose Fitting

In stock

Regular price $18.99 USD
BD Diesel

BD Power PMD Heatsink

Out of stock

Regular price $93.00 USD
Dipaco

6.5L DS4 Injector Hard Line Set

In stock

Regular price $265.00 USD
Sale

STANADYNE

Replacement fuel filter assembly

In stock

Regular price $99.99 USD

Regular price ~~$119.99 USD~~ Sale price $99.99 USD
Quadstar Tuning

6AN Female to 3/8 Straight Pushlock Hose Fitting

In stock

Regular price $8.30 USD

12 3

About us

Quadstar Tuning is a small business focused on providing the highest quality parts for the 6.5L Turbo Diesel platform. We specialize in tuning but also offer a wide selection of other products.

Check back frequently as things are always changing!

Thank you for considering us for your build!

Ambassadors
Contact us
Documentation
Refund policy
Terms/Conditions
Terms of service

Payment methods

© 2025, Quadstar Tuning LLC - Powered by Shopify