This rubber cylinder head plug is designed as an OEM-equivalent replacement for ISUZU NRR NPR NQR NPR-HD 4HK1 5.2L 4HE1 4.8L 1994-2026. This gasket helps seal the valve cover and cylinder head openings against oil leaks. Ideal for replacing aged or leaking rubber sealing parts during top-end engine service. Match the listed OEM numbers and title fitment against your original part before purchase
- COMPATIBILITY: Fits ISUZU NRR NPR NQR NPR-HD 4HK1 5.2L 4HE1 4.8L 1994-2026.
- OEM-EQUIVALENT REPLACEMENT: Cross-references the OEM number listed below; verify it against your original part before ordering.
- VALVE COVER SEALING: Helps seal the valve cover area and cylinder head openings to reduce oil leaks.
- OIL LEAK REPAIR: Use when replacing hardened, cracked, swollen, or leaking valve cover gaskets and plugs.
- DIRECT REPLACEMENT FIT: Designed for replacement in the factory location when matched by fitment and OEM number. No modifications required when the application is matched correctly.
- OEM: 8978487570 / 8981638130 / 8943996050
Item Specifications
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Fitment
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