Ensure long-term reliability and leak-free performance with the New Genuine Nissan Oil Crankshaft Rear Seal for RB26, RB25, and RB20 engines—available now at Terra Firma Automotive. This precision-engineered NDK rear main seal is the late-style version used in R32, R33, and R34 Skyline models and is an essential component for any proper engine rebuild or bottom-end refresh.
Designed specifically for the RB-series engine platform, this factory Nissan seal offers the perfect fit and material quality needed to withstand the extreme internal conditions of turbocharged applications. Over time, crankshaft rear seals degrade due to heat, oil exposure, and crankcase pressure, making replacement critical during engine overhauls to prevent oil leaks and protect engine longevity. Unlike unreliable aftermarket versions, this genuine NDK-manufactured seal meets Nissan’s strict OEM specifications, delivering the performance and dependability RB engines demand.
Terra Firma Automotive continues to lead the industry in supplying authentic JDM parts for Nissan Skyline models. Whether you're rebuilding an RB26DETT in an R34 GTR or servicing a naturally aspirated RB20 in a daily-driven R32, this rear crank seal is the right choice. Trust Terra Firma Automotive for genuine Nissan components that ensure proper sealing, optimal performance, and peace of mind.
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