The Nissan Skyline R33 GTS25T Engine Block Oil Gallery Plug for the RB25DET is a precision blind plug designed to seal an unused passage in the engine’s main oil gallery system. Positioned in the cylinder block’s flange area where the oil filter housing mounts, this plug ensures proper oil pressure and prevents leaks, maintaining reliable lubrication for the crankshaft, connecting rods, camshafts, and other critical engine components. Its correct installation is essential during engine rebuilds, oil system flushes, or block inspections, as a missing or damaged plug can compromise oil circulation and overall engine performance.
Manufactured to meet exact Nissan specifications, this steel plug, typically M12x8, is required in one location per R33 RB25DET cylinder block. Its robust design withstands the pressures of the lubrication system, ensuring long-term reliability and optimal engine operation. This part is specific to the R33 GTS25T RB25DET and is not used on the R34 Skyline GT-T RB25DET NEO, which features oiling system revisions that omit this plug or employ a different sealing method.
Terra Firma Automotive supplies only genuine Nissan components, guaranteeing precision fitment and maintaining the integrity of your RB25DET engine. Installing the correct R33 GTS25T engine block oil gallery plug protects critical lubrication pathways, supports optimal oil pressure, and ensures the performance and longevity that Nissan engines are renowned for.
- One Required
- Not Used On R34 Systems
- 12mm Wide
- 8mm Tall
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