The Yukon GM 12‑bolt truck crush sleeve is a replacement small part for GM 12‑bolt truck differentials. It provides the correct spacer profile needed during pinion assembly to establish proper preload. This sleeve measures approximately 2.350 inches long and matches Yukon’s line of differential small parts for ring gear bolts, pinion nuts and related hardware.
Yukon Gear GM 12 Bolt Truck Crush Sleeve