Wanted: 71 K20 Brake Drums - The 1947 - Present Chevrolet & GMC Truck Message Board Network

*60apache4* · 09-05-2003, 07:46 PM

I just got back from the machine shop and have bad news. So, I am in desperate need of a new set of rear brake drums for a 1971 Chevrolet 3/4 ton, 4x4 with an Eaton/Corporate Rear Axle.

Apparently this brake drum and hub assembly was only used ONE year. You can check your parts books (Wagner, Bendix), but it won't do any good. The GM parts number from1971 is #3996637.

If anyone knows if I can swap backing plates and use drums from a 1972 I would greatly appreciate it. Please help.

Thanks.

09-05-2003, 07:46 PM	#1
60apache4 Account Suspended Join Date: Nov 2001 Location: Oregon Posts: 147	Wanted: 71 K20 Brake Drums I just got back from the machine shop and have bad news. So, I am in desperate need of a new set of rear brake drums for a 1971 Chevrolet 3/4 ton, 4x4 with an Eaton/Corporate Rear Axle. Apparently this brake drum and hub assembly was only used ONE year. You can check your parts books (Wagner, Bendix), but it won't do any good. The GM parts number from1971 is #3996637. If anyone knows if I can swap backing plates and use drums from a 1972 I would greatly appreciate it. Please help. Thanks.



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