Genuine Nissan RB Engine Seals, Crank Seals, Oil Seals & Gaskets | OEM RB20 RB25 RB26 RB30 Parts Genuine Nissan OEM Seals & Gaskets for RB Engine Rebuilds, Maintenance & Leak Repairs Looking for genuine Nissan RB engine seals, crank seals, cam seals, oil pump gaskets, timing components, or factory engine sealing parts? BoostDoc supplies a range of Genuine Nissan OEM engine seals and gaskets for RB20, RB25, RB26 and RB30 engines, helping enthusiasts, workshops and engine builders maintain reliability, prevent oil leaks, and achieve factory-quality rebuilds. Whether you're replacing a leaking rear main seal, refreshing an oil pump during an engine build, servicing a timing belt, or restoring a Nissan Skyline to OEM specifications, genuine Nissan parts provide the fitment, quality and durability your RB deserves. Built to Nissan factory standards, these components are trusted by professional engine builders and RB enthusiasts worldwide. Genuine Nissan sealing components help maintain oil pressure, prevent contamination, and ensure long-term reliability in both standard and high-performance applications. Why Choose Genuine Nissan Parts? ✅ Genuine Nissan OEM quality ✅ Factory-correct fitment and dimensions ✅ Designed for long service life ✅ Ideal for street, track, drift and drag applications ✅ Trusted by professional engine builders ✅ Perfect for engine rebuilds and preventative maintenance ✅ Helps prevent costly oil leaks and repeat repairs Common RB Applications Suitable for a wide range of Nissan RB-powered vehicles and engine combinations, including: Nissan Skyline R31 Nissan Skyline R32 GTS-t & GT-R Nissan Skyline R33 GTS-t & GT-R Nissan Skyline R34 GTT & GT-R Nissan Stagea Nissan Laurel Nissan Cefiro Nissan Patrol RB conversions Holden VL Commodore RB conversions RB20DET RB25DE RB25DET RB26DETT RB30E RB30ET RB Hybrid Engines Available Genuine Nissan Components Depending on the option selected, this listing may include: Rear Main Seal 12279-5L310 Camshaft & Oil Pump Drive Components 13510-10Y10 13042-16V00 13042-16V00AU 13510-19V00 Crankshaft Components 13023-42L00 – Crankshaft Pulley Plate 13022-42L00 – Crankshaft Sprocket Plate Oil Pump Gaskets 15066-71L00 15066-71L00NAC (Metal) Rocker Cover Gasket 13270-58S01 Water Pump Gasket 21010-AA527 Exhaust Manifold Gasket 133002 Intake Manifold Gasket 23009-AK002 RB Head Gaskets Cometic RB26 87mm x 0.051" Cometic RB25 87mm x 0.051" Cometic RB30 87mm x 0.051" Perfect For RB engine rebuilds Timing belt services Oil pump replacements Rear main seal repairs Preventative maintenance High-horsepower RB builds Nissan restorations Workshop servicing Why Replace Engine Seals During a Rebuild? When rebuilding an RB engine, replacing ageing seals and gaskets is one of the most cost-effective ways to improve long-term reliability. A leaking crank seal, rear main seal, cam seal or oil pump gasket can quickly contaminate a new clutch, reduce oil control and create unnecessary downtime. Replacing these components while the engine is apart helps ensure years of reliable service. What's Included? 1 x Genuine Nissan OEM Component The exact part supplied corresponds with the selected option, product title and part number shown. Need Help Choosing? Not sure which seal, gasket or component suits your RB engine? Contact the BoostDoc team with your engine type, vehicle model or part number and we'll help identify the correct Genuine Nissan component for your build. Search Terms Genuine Nissan RB seals, RB25 rear main seal, RB26 crank seal, RB30 oil pump gasket, Nissan Skyline OEM seals, RB engine rebuild parts, Nissan RB timing components, RB26 engine gasket, RB25 oil seal, Nissan OEM engine parts, Skyline restoration parts, RB20 RB25 RB26 RB30 genuine Nissan parts, RB head gasket, Cometic RB26 gasket, RB25 rebuild parts, RB30 engine gasket. BoostDoc — Genuine Nissan Parts for Reliable RB Performance.
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