All Products – Page 7 – Quadstar Tuning LLC

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

Sort by:

218 Products

Filter products

In stock 196
Out of stock 28

The highest price is $9,250.00

$ From

$ To

Airdog 2
Alliant Power 3
AM General 56
ARP 16
Autometer 3
BD Diesel 2
Bosch 4
Clevite Mahle 11
Cometic Gaskets 4
Crazy Mater Fab 5
Diamond Eye 2
DieselSite 14
Dipaco 1
Dorman 3
Energy Suspension 2
FASS 1
Flight Systems 3
Fluidampr 1
Harland Sharp 1
Hotshot's Secret 1
Isky 1
Mahle 1
Melling 1
Powermaster 1
ProMaxx 1
Quadstar Tuning 66
SCAT 1
STANADYNE 10
Total Seal 1

Quadstar Tuning

Engine Wiring Harness

In stock

Regular price $214.27 USD
Quadstar Tuning

Fabricated 6.5L P400 Oil Pan

Out of stock

Regular price $1,150.00 USD
Dorman

Factory Style Fuel Injector Return Lines

Out of stock

Regular price $44.99 USD
FASS

FASS Titanium Signature Series Diesel Fuel System

Only 1 left

Regular price $699.00 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
Flight Systems

Flight Systems PMD

In stock

Regular price $159.97 USD
Sale

Quadstar Tuning

Fluidampr and Big Ass Balancer Bolt Kit

In stock

Regular price $549.97 USD

Regular price ~~$634.29 USD~~ Sale price $549.97 USD
Fluidampr

Fluidampr Harmonic Balancer

In stock

Regular price $574.32 USD
Quadstar Tuning

Fuel Inlet Upgrade for DB Pumps

In stock

Regular price $14.99 USD
Quadstar Tuning

Fuel Inlet Upgrade for DS Pumps

Out of stock

Regular price $24.99 USD
Autometer

Gauge Pillar Pods

In stock

Regular price From $101.99 USD
Alliant Power

Glow Plug Relay

In stock

Regular price $119.00 USD
Sale

Harland Sharp

Harland Sharp Roller Rockers

In stock

Regular price $745.00 USD

Regular price ~~$808.00 USD~~ Sale price $745.00 USD
Crazy Mater Fab

High Flow Upper Intake Plenum

Only 3 left

Regular price $200.00 USD
Quadstar Tuning

Holset Compressor Outlet V-Band Adapter

Only 1 left

Regular price $69.99 USD
Quadstar Tuning

Holset Turbo Oil Inlet Adapter

In stock

Regular price $19.99 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
AM General

Hydraulic Valve Lifter

In stock

Regular price $10.97 USD
AM General

Injection Pump Flange Gasket

In stock

Regular price $2.49 USD
Quadstar Tuning

Injection pump gasket set

In stock

Regular price $35.00 USD
AM General

Injection Pump Gear Bolt Kit

In stock

Regular price $9.97 USD
Quadstar Tuning

Injection Pump Mounting Nut Kit

In stock

Regular price $9.99 USD
Quadstar Tuning

Injection Pump PMD Harness

Out of stock

Regular price $34.99 USD
Quadstar Tuning

Injector Install Kit

Out of stock

Regular price $34.99 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