ISUZU Valve Cover Gasket OEM Quality with 15 Bolt Holes for NPR 4HF1 4HE1 — High-Quality Rubber Metal Composite
| Bolt Holes: | 15 Holes | Material: | High-quality Rubber Metal Composite |
| OEM Part Number: | 8-97105690-2 / 8971056902 | Compatible Engines: | ISUZU 4HF1 (4.3L), 4HE1 (4.8L), 4HG1T |
| Compatible Models: | ISUZU NPR, NPR-HD, NQR (1998–2015 Models) | Compatible Chassis: | NPR66, NPR70 |
| Installation Position: | Between Cylinder Head Cover And Cylinder Head | Part Type: | Engine Sealing Gasket / Cylinder Head Cover Seal |
| High Light: | OEM Quality Valve Cover Gasket,15 Bolt Holes Valve Cover Gasket,High-quality rubber metal composite Valve Cover Gasket |
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The ISUZU Valve Cover Gasket with OEM numbers 8-97105690-2 / 8971056902 is a precision-engineered replacement designed for ISUZU NPR series trucks, compatible with 4HF1 and 4HE1 diesel engines. This component seals the joint between the cylinder head cover and the cylinder head.
| Part Number: | 8-97105690-2 8971056902 |
| Product Name: | Valve Cover Gasket |
| Car Model: | NPR |
| Engine Model: | 4HF1 4HE1 |
| Condition: | 100% Brand New |
| Origin: | China Mainland |
| Material: | High-strength aluminum alloy & precision bearings |
The valve cover gasket is a sealing component installed between the cylinder head cover and the cylinder head. Its working principle includes:
- Oil Sealing: Creates a reliable seal between the cover and cylinder head to prevent oil leakage
- Heat Resistance: Manufactured from specialized heat-resistant and oil-resistant materials for high-temperature engine environments
- Contaminant Prevention: Prevents external dust, moisture, and other contaminants from entering the valve train area
- Tolerance Compensation: Compensates for manufacturing tolerances and thermal expansion between the cover and cylinder head
Inspect immediately if any of these symptoms occur:
| Symptom | Probable Cause |
|---|---|
| Visible oil leakage around the cylinder head cover | Worn or hardened gasket; loss of sealing capability |
| Increased oil consumption without blue smoke from exhaust | Oil leaking from the cover gasket |
| Burning oil smell during engine operation | Leaked oil dripping onto hot exhaust components |
| Visual inspection shows hardened, cracked, or deformed gasket | Material aging from long-term high-temperature exposure |
| Loose cylinder head cover bolts | Gasket compression set reducing bolt preload |
| Brand | Model Series | Compatible Engine | Years |
|---|---|---|---|
| ISUZU | NPR | 4HF1, 4HE1 | 1998–2015 |
| ISUZU | NPR-HD | 4HF1, 4HE1 | 1998–2015 |
| ISUZU | NQR | 4HF1, 4HE1 | 1998–2015 |
- Verify the specific part number on the original part before ordering
- Thoroughly clean the cylinder head cover and cylinder head mating surfaces before installation
- This gasket features 15 bolt holes - verify matching bolt hole count
- Refer to ISUZU factory workshop manual for proper torque specifications
- Professional installation is recommended for this critical engine sealing component
Manufactured to ISUZU original specifications — ensures perfect fitment for 4HF1/4HE1/4HG1T engines
Precise bolt hole layout ensures perfect fitment with 4HF1/4HE1 engine cylinder head covers
Excellent heat and oil resistance for long-term reliable operation under high-temperature conditions
Every piece undergoes strict quality inspection — 100% tested before delivery
Reliable after-sales protection — 14-month quality guarantee
Fits NPR, NPR-HD, NQR models and 4HF1, 4HE1, 4HG1T engines
Preparation:
- Confirm engine model (4HF1 / 4HE1) and part number (8-97105690-2)
- Prepare tools: Socket wrench, torque wrench, scraper, cleaner
- Confirm bolt hole count: 15 holes
Installation Sequence:
- Inspect new gasket for defects and confirm 15 bolt holes
- Clean mating surfaces thoroughly
- Install new gasket in cylinder head cover groove
- Position cylinder head cover with proper gasket alignment
- Install 15 mounting bolts and hand-tighten in cross-pattern
- Torque bolts to specification in cross-pattern
- Reinstall all removed accessories
| Packaging | Neutral packaging or customized per customer request |
| Quantity per package | 1 pc/box (standard shipment packaging) |
| Brand | OEM Quality / Genuine Parts |
| Place of Origin | China |
| Minimum Order Quantity | 1 piece |
| Delivery Time | 1–8 working days |
| Warranty | 14 months |
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