6.5 Diesel

6.5 Diesel
Products available:

Longblock Engine 1992-2002

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Improved Longblock Engine Using NEW Improved & Redesigned Block & Heads 

A Longblock is the best choice when there is nothing wrong with your existing fuel system or turbo. Transfer your parts & save money!

NEW Aftermarket Block/Heads $5090.00 

Remanufactured Optimizer™ Block & Heads $4490.00    Top Seller!!!   

**The Combo** Complete Drop-in Engine 1992-2002

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Optimizer™ Remanufactured  Drop-in Engine (1992-2002) Using Genuine 2004+ AM General/GEP™ Improved Block & Heads and Reman Fuel System / Turbo 

Uses Remanufactured 2004+ Genuine AM General™  Improved Block & Head Castings and Includes: Remanufactured Turbo, Injection Pump, Injectors, Exhaust and Intake Manifolds. NEW Water Pump.

$7990.00    Top Seller!!!

Remanufactured Complete Drop-in Engine

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 **THE COMBO**  Drop-in Engine Using NEW/Improved Aftermarket Redesigned Block & Heads & Reman Fuel System / Turbo

Uses NEW Improved Aftermarket Block & Heads and includes: Remanufactured Turbo, Injection Pump, Injectors, Intake & Exhaust manifolds & New Water Pump.


Complete Drop-in Engine

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higher resolution)

ALL NEW Drop-in Engine  Using Brand NEW Improved Aftermarket Redesigned Block & Heads. & NEW Fuel System / Turbo 

Improved Longblock Engine plus: Brand NEW Turbo, Injection Pump, Injectors, Exhaust and Intake Manifolds.  NEW Water Pump.


Remanufactured Longblock 1992-1996

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Remanufactured non-turbo Longblock Using OEM GM Castings

Reman 6.5 liter Diesel Engine


Remanufactured Longblock

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Remanufactured Turbo Longblock Using OEM GM Castings

Reman 6.5 liter Turbo Diesel Engine



Gasket Set

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Full Gasket Set

Includes all 6.5 Gaskets


Glow Plugs

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Fast-Start Glow Plugs

Premium Wellman dual-element, self-regulating plugs. Set of 8 plugs.


Block Heater

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Block Casting 6.5 New & Improved

This block will fit any 92-2002 Chevy & GMC C/K Series trucks w/ GM 6.5L Turbo Diesel (Sidemount Turbo), and all non-turbo van & H-1 Hummer applications.


Pump-Mounted Driver

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Pump-Mounted Driver (PMD)

These new pump-mounted drivers (PMDs) from Wellman offer 72° better heat tolerance than the OEM Stanadyne unit.


High Volume & Pressure Diesel Oil Pump

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6.2 / 6.5 High Performance Oil Pump

This hard to find part will give your 6.5 or 6.2 a fighting chance with more oil to the bottom end. Fits all 6.2 & 6.5 liter diesel Engines.

(will not fit H-1)


Sidemount Turbos

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Sidemount Turbos

All turbos include brand new center sections - all moving parts in our turbos are new, only the casings on each end are used again. Click image to choose the correct turbo for your application.


6.2 / 6.5 New Valve Covers (Set)

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6.2 / 6.5 New Valve Covers (Set)

Two Brand NEW shiny black valve covers. Price is for the set (both sides) LH and RH sides included.

Left side - GM Part# 12564565, Right side - GM Part# 12564564

Fits all GM 6.5 Turbo diesel engines 1992-2004 in any chassis.


Centeremount Turbos

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NEW Top Quality 1000w Heavy Cast Brass Block Heater

We have been installing these special heaters in our engines for years. Many people have asked for them separately, so here they are! This little powerhouse heater is a hard to find part... and worth every penny in a cold climate.
This is the most powerful and durable block heater available for the 6.2 and 6.5 Diesel.


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6.5L Cylinder Head for Side-mount Turbo Applications (90 degree Heads)

New/Improved (no more cracking!)

$599.00 ea

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6.2 & 6.5 L Diesel NEW LH Exhaust Manifold GM

12557359 Chevy GMC 1984-2002

Brand New Left side Exhaust Manifold for 6.2 and 6.5 diesel equipped (side-mount turbo or non-turbo). 

Fits all 6.2 & 6.5 diesel Pickup trucks 1984-2002 applications (turbo & non-turbo).


Call us if you have an application that does not seem to fall into any of the above listed categories. We also offer drop-ins and all mechanical Turbo & fuel pump setups and all mechanical parts for 6.5l Diesel engines.


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