{"product_id":"genuine-oem-nissan-rb-rear-main-oil-seal-12279-5l310","title":"Genuine OEM Nissan RB Rear Main Oil Seal – 12279-5L310","description":"\u003ch1\u003eGenuine OEM Nissan RB Rear Crankshaft Oil Seal – 12279-5L310\u003c\/h1\u003e\n\u003cp\u003eGenuine OEM Nissan \u003cstrong\u003erear crankshaft oil seal (rear main seal)\u003c\/strong\u003e to suit a wide range of \u003cstrong\u003eRB-series engines\u003c\/strong\u003e, including the legendary \u003cstrong\u003eRB26DETT\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe rear main seal prevents engine oil from leaking where the crankshaft exits the rear of the engine and mates to the flywheel. Over time the original seal can harden and wear, resulting in oil leaks between the engine and gearbox. As replacing this seal requires gearbox removal, it is highly recommended to fit a new genuine Nissan seal whenever the clutch or flywheel is being replaced. Genuine Nissan seals provide the correct fit, material and long-term reliability.\u003c\/p\u003e\n\u003cp\u003eIdeal for clutch replacements, engine rebuilds and preventative maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGenuine OEM Nissan part\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect factory replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-quality OEM sealing material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps prevent rear crankshaft oil leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecommended whenever the gearbox is removed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFactory fit and long service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e12279-5L310\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRB20DE\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRB20DET\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRB25DE\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRB25DET\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRB26DETT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRB30E\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRB30ET\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Compatibility (including but not limited to):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Skyline R31\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Skyline R32\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Skyline R33\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Skyline R34\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Skyline GT-R (BNR32, BCNR33 \u0026amp; BNR34)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Stagea WC34\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Laurel C33 \u0026amp; C34\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNissan Cefiro A31\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHolden VL Commodore (RB30)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This listing is for \u003cstrong\u003eone (1) genuine OEM Nissan rear crankshaft oil seal\u003c\/strong\u003e only. For best results, Nissan recommends replacing the rear main seal whenever the clutch, flywheel or gearbox is removed. Supplied in genuine OEM Nissan packaging (packaging may be removed for product photography).\u003c\/p\u003e","brand":"OEM 4 JDM","offers":[{"title":"Default Title","offer_id":46503738736790,"sku":"12279-5L310","price":20.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/8489\/8454\/files\/Screenshot2026-07-26105418.png?v=1785027314","url":"https:\/\/oem4jdm.com.au\/products\/genuine-oem-nissan-rb-rear-main-oil-seal-12279-5l310","provider":"OEM 4 JDM PTY LTD","version":"1.0","type":"link"}