SKU: WIN5055
MPN: 5055
The Pinion Bearing Washer (MPN 5055) from Winters is a precision-engineered component designed to support and stabilize the pinion bearing assembly in high-performance differential housings. This small but critical washer ensures proper axial load distribution and maintains bearing preload under extreme acceleration, cornering, and braking forces.
Manufactured to Winters' exacting tolerances, this bearing washer is precision-machined to maintain exact thickness and flatness, which directly affects pinion bearing preload specification and overall differential geometry. The washer's hardened steel construction resists deformation under load, preserving bearing contact angles and preventing the loss of preload that can lead to pinion whip and gear chatter.
Proper washer selection—determined by precise measurement of existing components during assembly—is non-negotiable in any differential rebuild. This washer is indispensable for anyone performing a professional differential overhaul, whether for street performance, drag racing, or off-road duty.
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