Skip to the content

Click here for current general announcements

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 37
Out of stock 14

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

Sale

Airdog

AirDog Raptor 4G Lift Pump

Out of stock

Regular price $484.00 USD

Regular price ~~$509.60 USD~~ Sale price $484.00 USD
Quadstar Tuning

6AN Female to 3/8 Straight Pushlock Hose Fitting

In stock

Regular price $8.30 USD
Sale

Quadstar Tuning

Copper Injector Washer Gasket Set

In stock

Regular price $7.99 USD

Regular price ~~$9.99 USD~~ Sale price $7.99 USD
Bosch

Brand New 6.5L Bosch Marine Turbo Fuel Injectors

Out of stock

Regular price $799.97 USD
Dorman

Factory Style Fuel Injector Return Lines

In stock

Regular price $44.99 USD
Quadstar Tuning

Injection Pump Mounting Nut Kit

Only 3 left

Regular price $9.99 USD
Quadstar Tuning

Bosch Stock Fuel Injectors

Out of stock

Regular price $530.00 USD
Quadstar Tuning

AirDog 5G to 3/8 Hose Outlet Fittings

In stock

Regular price $22.99 USD
Sale

AM General

6.2 or 6.5L DB2 Injector Line Set

In stock

Regular price $214.97 USD

Regular price ~~$230.00 USD~~ Sale price $214.97 USD
Quadstar Tuning

Inline Pre Filter for 1/2" Hose

In stock

Regular price $13.50 USD
STANADYNE

Engine Shut off Actuator DS Injection Pump

Out of stock

Regular price $174.80 USD
AM General

Injection Pump Flange Gasket

In stock

Regular price $2.49 USD
STANADYNE

DS4 Electronic Injection Pump - NEW

Out of stock

Regular price $2,650.00 USD
AM General

Injection Pump Gear Bolt Kit

In stock

Regular price $9.97 USD
STANADYNE

Overhaul Gasket Kit for DS Injection Pump

Only 3 left

Regular price $94.99 USD
FASS

FASS Titanium Signature Series Diesel Fuel System

Out of stock

Regular price $699.00 USD
Quadstar Tuning

AirDog Raptor 4G to 3/8 Hose Outlet Fittings

In stock

Regular price $22.99 USD
STANADYNE

6.5L DB2833-6284 Injection Pump

In stock

Regular price $2,200.00 USD
Sale

Hotshot's Secret

Hot Shot's Secret Everyday Diesel Treatment

In stock

Regular price From $19.99 USD

Regular price ~~$20.43 USD~~ Sale price From $19.99 USD
Bosch

Brand New 6.5L Bosch Non-Turbo Fuel Injectors

In stock

Regular price $449.99 USD
Sale

STANADYNE

Overhaul Gasket Kit for DB Injection Pump

In stock

Regular price $50.00 USD

Regular price ~~$65.00 USD~~ Sale price $50.00 USD
Sale

STANADYNE

6.5L DB2 24v 205 HP Turbo Injection Pump

In stock

Regular price $1,749.99 USD

Regular price ~~$1,999.99 USD~~ Sale price $1,749.99 USD
Sale

STANADYNE

6.5L DB2 24v 200 HP Turbo Injection Pump

Out of stock

Regular price $1,749.99 USD

Regular price ~~$1,999.99 USD~~ Sale price $1,749.99 USD
Quadstar Tuning

Stock FSU to 8 AN Adapter Fittings

Out of stock

Regular price $25.00 USD

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
Knowledge Base
Refund policy
Terms/Conditions
Privacy Policy

Payment methods

© 2025, Quadstar Tuning LLC - Powered by Shopify