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The Yukon Mighty front pinion seal for GM 8.5in 4WD applications is a precision direct-replacement intended for 8.5in front differentials. Yukon Mighty Seals employ modern design and manufacturing to provide a tight, durable fit. Replace a worn or leaking front pinion seal on GM 8.5in 4WD setups with this unit to restore proper sealing at the front pinion area.
Yukon Gear 8.5in GM 4Wd Front Pinion Seal
