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Quadstar Tuning LLC

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

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Cooling
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213 Products

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In stock 187
Out of stock 32

The highest price is $8,850.00

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$ To

Airdog 2
Alliant Power 3
AM General 55
ARP 16
BD Diesel 1
Bosch 4
Clevite Mahle 9
Cometic Gaskets 4
Crazy Mater Fab 3
Diamond Eye 1
DieselSite 14
Dipaco 1
Dorman 3
Dura-bond 1
Energy Suspension 2
FASS 1
Federal Mogul 1
Flight Systems 4
Flowmaster 1
Fluidampr 1
Harland Sharp 1
Hotshot's Secret 1
Mahle 1
Melling 1
Powermaster 1
ProMaxx 1
Quadstar Tuning 71
SCAT 1
STANADYNE 7
Total Seal 1

Bosch

Brand New 6.5L Bosch Marine Turbo Fuel Injectors

In stock

Regular price $799.97 USD
Bosch

Brand New 6.5L Bosch Non-Turbo Fuel Injectors

In stock

Regular price $449.99 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
AM General

Camshaft End Plug

In stock

Regular price $3.06 USD
Crazy Mater Fab

Center Mount to Side Mount Conversion High Flow Plenum

In stock

Regular price $579.97 USD
Quadstar Tuning

Center Turbo Oil Drain Blockoff Plate

In stock

Regular price $17.99 USD
AM General

Center Turbo to Block Seal

In stock

Regular price $7.49 USD
Cometic Gaskets

Cometic 6.2 6.5L Exhaust Manifold Gasket

In stock

Regular price $13.97 USD
Cometic Gaskets

Cometic 6.2 6.5L Front Main Seal

Out of stock

Regular price $16.99 USD
Cometic Gaskets

Cometic 6.2 6.5L Intake Gasket

In stock

Regular price $16.97 USD
Cometic Gaskets

Cometic MLS 6.5L Head Gasket

In stock

Regular price $150.00 USD
Clevite Mahle

Conversion Gasket Set

In stock

Regular price $64.97 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
AM General

Crank Sensor Block Off Plug

In stock

Regular price $1.89 USD
Alliant Power

Crankshaft Position Sensor

In stock

Regular price $119.99 USD
AM General

Engine Block Heater

Out of stock

Regular price $49.99 USD
Quadstar Tuning

Engine Block Heater Cord

In stock

Regular price $24.97 USD
Quadstar Tuning

Engine Coolant Temperature Fooler

In stock

Regular price $14.99 USD
STANADYNE

Engine Shut off Actuator DS Injection Pump

In stock

Regular price $177.97 USD
Sale

Clevite Mahle

Engine Timing Set

In stock

Regular price $124.97 USD

Regular price ~~$139.99 USD~~ Sale price $124.97 USD
Quadstar Tuning

Engine Wiring Harness

In stock

Regular price $214.27 USD
Quadstar Tuning

Fabricated 6.5L P400 Oil Pan

In stock

Regular price $1,149.99 USD
Dorman

Factory Style Fuel Injector Return Lines

In stock

Regular price $45.47 USD
FASS

FASS Titanium Signature Series Diesel Fuel System

Only 1 left

Regular price $699.00 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!

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Temporary Delay Notice

Our main warehouse is currently closed.

New orders won't be processed until we re-open

Please read our general announcements page, via the header link, for further updates! 🎉