This genuine GM Dowel Pin locates the engine rear cover and the cylinder heads to the engine block on 2001-2016 Chevy Silverado and GMC Sierra 2500HD and 3500HD trucks and 2006-2009 Express and Savana vans with the 6.6L Duramax diesel. GM catalogs it as the cylinder head locating pin. GM part number 94200819, which replaces 94217002 and 97231007.
Features
- Genuine GM part 94200819
- Replaces GM 94217002 and 97231007
- Aligns the rear cover to the engine block
- Aligns the cylinder heads to the engine block
- Fits LB7, LLY, LBZ, LMM and LML Duramax engines
Why Replace It
Dowel pins hold mating parts in exact alignment so gaskets and seals clamp evenly. Pins can be damaged, mushroomed or lost when a rear cover or cylinder head is removed, and a pin that is stuck or corroded often has to be cut or pulled out. A damaged or missing pin can let the part shift during assembly, which leads to leaks or a gasket that does not seal.
Installation Tips
- Check every dowel pin for burrs, rust or damage any time the rear cover or heads are off.
- Clean the dowel holes in the block before installing new pins.
- Tap the pin in squarely until it seats. Do not hammer on a pin that is cocked in the hole.
- Install the rear cover or cylinder head straight over the pins without forcing it.
Related Parts
- Rear Cover Coolant Seals Pair, Duramax 2001-2010
- Rear Cover Coolant Seal, LML 2011-2016
- Rear Main Seal, Duramax
- Head Gasket Kit, Duramax 2004.5-2010
- ARP Duramax Head Stud Kit
- Dowel Pin, Transmission to Engine, Duramax
Frequently Asked Questions
Where is this dowel pin used?
It locates the engine rear cover to the block and the cylinder heads to the block.
Can I reuse my old dowel pins?
If they come out straight and clean, yes. Replace any pin that is bent, mushroomed, rusted or damaged during removal.
Is this the same as the transmission to engine dowel pin?
No. The bell housing uses a different pin. See our Transmission to Engine Dowel Pin.
Is this sold individually?
Yes. This listing is for one dowel pin.
For warranty information or to submit a claim, see our Warranty Form.