Head to Cover Gasket 8-94391380-0 8943913800 for ISUZU 6HK1 FTR FVR — YIMI OEM Fit Valve Cover Gasket
Key Attributes
Product Summary
OEM direct-fit valve cover gasket for ISUZU 6HK1 FTR/FVR/FSR and Hitachi ZX330/350/400. NBR/FKM rubber, Shore A 70±5, rated -40°C to +150°C. 100% inspected, 12-month warranty, neutral or custom packaging for wholesale and fleet supply.
Product Details
ISUZU 6HK1 valve cover gasket
,OEM fit 8-94391380-0 gasket
,FTR FVR head cover gasket
The Head to Cover Gasket with OEM numbers 8-94391380-0 / 8943913800 is a direct-fit replacement for ISUZU 6HK1 diesel engines, used in FTR, FVR, and FSR series trucks as well as Hitachi ZX330/ZX350 excavators. This gasket seals the mating surface between the cylinder head and the valve cover (or spacer plate), preventing engine oil leakage and blocking external dust and contaminants from entering the valve train area.
- OEM Cross-Reference Verified: Replaces 8-94391380-0, 8943913800, and 8-94391-380-0 — confirmed against the ISUZU 6HK1 parts catalog and multiple supplier listings.
- Material & Hardness Verified: NBR/FKM high-temperature rubber with Shore A 70 ±5 hardness — confirmed by supplier technical data.
- Measured Specifications: Thickness 2.0–2.5 mm, weight 0.15–0.20 kg, operating temperature −40 °C to +150 °C (short-term +180 °C) — verified against supplier specification.
- Torque Reference: Recommended tightening torque 8–12 N·m per supplier data; the ISUZU 6HK1 service manual references 13 N·m for cylinder head cover installation.
- Pre-Delivery Inspection: Each unit undergoes a dimensional check and surface integrity verification before packing — per in-house QC records (standard: 100% inspection before shipment).
- Oil seepage or drips visible around the valve cover perimeter
- Oil accumulation on the cylinder head surface or exhaust manifold (burning oil smell)
- Oil contamination on the valve cover bolts or around the mounting holes
- Gasket visibly hardened, cracked, or flattened upon inspection
- Oil residue on engine bay components below the valve cover
| Part Number | 8-94391380-0 | Product Name | Head to Cover Gasket |
|---|---|---|---|
| Car Model | ISUZU | Engine Model | 6HK1 FTR FVR |
| Condition | 100% Brand New | Size | — |
| Weight | Standard | Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe | Package | Neutral Packing or Made as Requested |
| Warranty | 6 Months | Price & Stock | Please Contact Us for More Information |
| Material | High-strength aluminum alloy & precision bearings | Cooling Type | Engine coolant circulation |
| Installation | Direct OEM replacement | Quality Standard | OEM equivalent / ISO quality control |
| Brand | Model | Engine Code | Notes |
|---|---|---|---|
| ISUZU | FSR / FSR 500 | 6HE1 | Primary fitment per OEM number |
| ISUZU | FVR / FTR | 6HE1 (verify) | Some cross-applications reported; confirm by VIN |
HDA-008 / MC828264 are aftermarket cross-reference numbers that appear primarily in Mitsubishi Fuso brake booster catalogs. This product is primarily intended for ISUZU FSR 6HE1 applications; the above numbers are listed for customer cross-comparison only.
If your vehicle is a Mitsubishi Fuso FK/FM with an MC828264 booster, confirm pushrod length and mounting bolt pattern match before ordering. Both "short" and "long" pushrod variants exist within the MC828264 family.
Always provide your VIN/chassis number for verification. Do not rely solely on cross-reference numbers.
| Feature | Benefit + Verification Signal |
|---|---|
| NBR/FKM high-temperature rubber | Resists oil, heat, and vibration without hardening — verified by material specification (Shore A 70 ±5) |
| Metal-reinforced oil passage rings | Prevents deformation and extrusion at oil galleries — confirmed by design specification |
| Rated for −40 °C to +150 °C | Reliable sealing across cold starts and high-temperature operation — verified by supplier thermal data |
| Precision-molded geometry | Direct fit without trimming — verified against OEM cover profile |
| QC Item | Verification Method |
|---|---|
| Overall dimensions | Comparison against OEM gasket profile |
| Material hardness | Durometer check (Shore A 70 ±5) |
| Thickness | Micrometer check (2.0–2.5 mm target) |
| Surface integrity | Visual inspection for cracks, tears, or flashing |
| Metal ring bond (if equipped) | Visual and flex check |
The valve cover gasket is a single-use component — always replace it when the cover is removed. Clean both mating surfaces thoroughly. Do not over-tighten bolts; excessive torque deforms the gasket and causes leaks. Reference torque: 8–12 N·m (supplier data) or 13 N·m (6HK1 cover installation per service manual).
- Disconnect the battery negative terminal. Remove any components obstructing the valve cover (hoses, harness connectors).
- Remove the valve cover bolts in reverse of the tightening sequence.
- Carefully lift the valve cover. Do not pry with sharp tools — damage to the sealing surface causes leaks.
- Clean the cylinder head and valve cover/spacer mating surfaces — remove all old gasket material, oil, and debris. Surfaces must be completely dry and oil-free.
- If using liquid gasket at joints, assemble within 7 minutes of application.
- Install the new gasket onto the cover/spacer, ensuring it seats evenly.
- Position the cover; install bolts finger-tight. Tighten in sequence to 8–13 N·m.
- Function test: Run the engine for several minutes. Check for oil seepage around the cover perimeter before road testing.
Inspect the valve cover area for oil seepage at every oil change or every 10,000–20,000 km. Replace the gasket if it is hardened, cracked, or leaking. Avoid using harsh solvents on the gasket surface.
- Neutral carton / customer-specified packaging
- Suitable for: wholesalers, repair shops, and fleet maintenance
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