Engine External

The best harmonic balancer for your 6.2L or 6.5L diesel! These perform across all RPM ranges, unlike a stock balancer that's only tuned for a narrow window of operation.  If your...

This is a replacement for the 6.5L diesel gear reduction style starter bracket/brace.  This little guy is responsible from keeping your starter bolts from shearing off or even breaking the...

Replacement balancer bolt the Quadstar way! Top off the damper install on your 6.2 or 6.5L diesel with our USA made ARP balancer bolt.  Compatible with stock balancers or Fluidampr...

These replace the factory rubber insulated damper that drives the serpentine belt on 6.5L diesels.  You'll never have to replace a pulley again after upgrading to this!  Weighing in a 2.2...

6.5L Crankshaft Pulley Bolts Top off your billet or light weight crankshaft pulley install with our exclusive ARP bolt kit Features: High Grade ARP Stainless Steel hardware 6pt 13mm heads Torque bolts...

This custom S plate is used to block off the oil ports on a 6.5L center turbo style engine block when the ports are not needed. Fits GM, GEP, IHI...

This is the SPACER ONLY for a 6.2 or 6.5L Fluidampr.  There are two part numbers for Fluidamprs for this application and both kits use the same damper but one...

Made from 316 Stainless Steel to prevent rust and corrosion along with a billet aluminum oil fill neck adapter and new grommet FITMENT: 1982-2003 6.2L and 6.5L Chevy/GMC applications, Hummer H1 Replaces GM part...

ARP stainless steel intake manifold hardware kit for 6.2 and 6.5L diesel trucks Fitment Notes: This listing is for INTAKE manifold bolts for the lower intake manifold to cylinder head...

This specialty plug is used at the back/rear of the 6.2 or 6.5L engine to plug the camshaft access hole

This specialty plug is used to plug the crankshaft position sensor hole on 6.5L engines that have a front timing cover with crank sensor provision but no sensor installed.  The...

New OEM 6.5L oil pan. As used on new GEP Optimizer engines. For one piece rear main seal style blocks only so it won't work for older 6.2L engines. Includes:...

6.2 and 6.5L Injection Pump Mounting Hardware Kit You may be looking for this unique hardware as replacements or to upgrade older engines with 6pt hardware that's hard to access...

OEM block heater assembly for any 6.2 or 6.5L engine   120v 600W. Made in Canada.

New OEM 6.5L valve cover with CDR hole. Can be used on any 6.2 or 6.5L engine where a CDR valve will be utilized.

New OEM 6.5L valve cover WITHOUT CDR hole. Can be used on any 6.2 or 6.5L engine.

New OEM 6.5L aluminum front timing cover assembly. Cross compatible with any 6.2 or 6.5L engine. May require a plug for the crankshaft position sensor hole (available in our other...