73-87 Chevy _ GMC Trucks > Diesel Engine Discussion

1984 k20 6.2 diesel main bearings

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bluejean:
I have a 1984 k20 4x4 6.2 diesel engine. I need to replace the main crankshaft bearings. I can't tell what size bearings are. On the bearing shows a stamp GM below that is a A-200 on all of the bearings. I went to the dealer and the part number is stamp on the bearing. Thinking it's a aftermarket bearing. Anybody have a idea of who's it might be or size?

Captkaos:
This is a late reply, but are you wanting to replace a bad bearing on a crank that hasn't been cleaned up.

Chris Lucas
73-87chevytrucks.com
squarebody.biz

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