Cylinder Head Cover Gasket 8-97105690-3 8971056903 For ISUZU NPR66 XD 4HF1 4.3L Diesel — OEM 15-Hole Rocker Arm Cover Seal 0.114kg
| OEM Part Numbers: | 8-97105690-3 / 8971056903 | Part Name: | Gasket; HD To Cover / Valve Cover Gasket / Rocker Cover Gasket |
| Fitting Position: | Between Valve Cover And Cylinder Head | Bolt Holes: | 15 Holes |
| Material: | High-Quality Oil-Resistant Engineered Material | Net Weight: | 0.114 Kg (114 G) |
| Dimensions: | Length: 200mm × Width: 120mm × Height: 4mm | H/S Code: | 848410000 |
| Engine Compatibility: | ISUZU 4HF1 4.3L Diesel | Vehicle Models: | ISUZU NPR66 XD |
| Condition: | Brand New — 100% Quality Inspected | Warranty: | 12 Months |
| High Light: | Isuzu NPR66 cylinder head cover gasket,4HF1 diesel engine rocker arm seal,OEM 15-hole Isuzu engine gasket |
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The Valve Cover Gasket (Gasket; HD to Cover) with OEM number 8-97105690-3 (also listed as 8971056903) is a verified OEM-grade direct replacement for ISUZU NPR66 XD trucks equipped with the 4HF1 4.3L diesel engine. Also known as a rocker cover gasket or cylinder head cover gasket, this component provides a critical seal between the valve cover and the cylinder head.
- OEM Specification — Verified by ISUZU OEM part numbers 8-97105690-3 and 8971056903
- Precision 15-Hole Design — Engineered specifically for the 4HF1 engine's 15-bolt valve cover pattern
- Proven Durability — Manufactured from high-quality, oil-resistant materials to withstand high temperatures and continuous vibration
- Weight Verified — 0.114 kg
- HS Code Verified — H/S Code: 848410000
If your valve cover gasket is failing, you may experience one or more of the following symptoms:
- Engine Oil Leakage — Oil spots or puddles forming under the vehicle
- Burning Oil Smell — Oil dripping onto hot exhaust components
- Low Engine Oil Level — Unexplained drop in oil level between service intervals
- Oil Residue on Engine Block — Visible oil stains or wetness around the valve cover area
- Engine Misfire or Rough Running — Oil contamination of sensors causing rough operation
| Part Number | 8-97105690-3, 8971056903 |
| Product Name | Cylinder Head Cover Gasket |
| Car Model | ISUZU NPR66 XD |
| Engine Model | ISUZU 4HF1 |
| Condition | 100% Brand New |
| Weight | 0.114 kg |
| Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Brand | Model | Chassis / Series | Engine | Notes |
|---|---|---|---|---|
| ISUZU | NPR66 | XD | 4HF1 4.3L Diesel | 15-hole valve cover pattern |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 15-hole pattern matches OE specifications |
| Material Composition | Oil-resistant material analysis for heat resistance and durability |
| Hardness Testing | Shore hardness testing to verify sealing performance under compression |
| Oil Resistance Test | Extended exposure to high-temperature engine oil for material integrity |
| Durability Cycle Test | 500+ hour thermal cycling for long-term reliability |
| Final Assembly Inspection | 100% visual and dimensional inspection before packaging |
- Allow engine to cool completely before starting work
- Disconnect negative battery terminal
- Clean area around valve cover to prevent contamination
- CRITICAL: Verify valve cover has 15 bolt holes
- Inspect valve cover for cracks or warpage
- Disconnect negative battery terminal
- Remove engine cover and blocking components
- Remove 15 valve cover mounting bolts in correct sequence
- Carefully remove valve cover and old gasket
- Clean sealing surfaces thoroughly with appropriate solvent
- Ensure surfaces are dry and free of oil residue
- CRITICAL: Position new gasket correctly
- Install valve cover and hand-tighten mounting bolts
- CRITICAL: Torque bolts in correct sequence to manufacturer specifications
- Reconnect negative battery terminal
- Start engine and check for oil leaks
- Check oil level after engine reaches operating temperature
- Inspection: Every 50,000 km / 12 months, or during routine oil changes
- Replacement: Immediately if oil leaks are detected or gasket shows deterioration
- Typically replaced during valve clearance adjustments or valvetrain service
- Packaging: Protective packaging to prevent shipping damage
- Net Weight: 0.114 kg
- H/S Code: 848410000
- Fig. No. - Key No.: 010-069
- Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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