3/4 Ton, Spicer Hub, Allen Bolt Washer - The 1947 - Present Chevrolet & GMC Truck Message Board Network

4x4Poet · 10-20-2005, 10:49 PM

For my '72 3/4 ton, 4x4 K20 front D44 Spicer Hubs, I need the little, thick washers for the allen bolts that hold the locking hub to the wheel hub. Hardware store washers have too large O.D. The local dealer says the washers were once available separate from the allen bolts, but have been discontinued since '94. GM part number:

3979606

Not available in my local wrecking yards. Up here, 3/4 tons either don't get wrecked or the 3/4 ton axles are swapped onto another truck. I'm trying to avoid canibalizing my '71 K20 burb or turning down (lathe) some washers.

What have you folks done?

10-20-2005, 10:49 PM	#1
4x4Poet Registered User Join Date: Nov 2004 Location: "Under Montana skies." Posts: 1,836	3/4 Ton, Spicer Hub, Allen Bolt Washer For my '72 3/4 ton, 4x4 K20 front D44 Spicer Hubs, I need the little, thick washers for the allen bolts that hold the locking hub to the wheel hub. Hardware store washers have too large O.D. The local dealer says the washers were once available separate from the allen bolts, but have been discontinued since '94. GM part number: 3979606 Not available in my local wrecking yards. Up here, 3/4 tons either don't get wrecked or the 3/4 ton axles are swapped onto another truck. I'm trying to avoid canibalizing my '71 K20 burb or turning down (lathe) some washers. What have you folks done? __________________ '71 GMC K20 Suburban, '71 GMC K10 Suburban, '72 Chevy C10 CST Suburban, '72 Chevy K20 clunker pickup.

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