Full Engine Overhaul Gasket Kit 5-87814979-0 5878149790 For ISUZU NKR NPR 4HG1 4HG1T 4.6L Diesel — OEM Complete Seal & Gasket Set For Engine Rebuild
| OEM Part Numbers: | 5-87814979-0 / 5878149790 | Part Name: | Full Engine Overhaul Gasket Kit / Complete Gasket Set |
| Engine Compatibility: | ISUZU 4HG1, 4HG1T (4.6L Diesel) | Engine Type: | 4-Cylinder, Inline, SOHC, Turbocharged (4HG1T) |
| Bore × Stroke: | 115.0mm × 110.0mm | Displacement: | 4,570 Cc (4.6L) |
| Compression Ratio: | 18.5:1 | Kit Includes: | All Essential Gaskets, Seals, And O-rings Required For Full Engine Rebuild |
| Material: | High-temperature, Oil-resistant, Durable Composite Materials | Vehicle Compatibility: | ISUZU NKR, NPR, NPR300, NPR71, ELF, NQR |
| Condition: | Brand New — 100% Quality Inspected | Warranty: | 12 Months |
| High Light: | ISUZU NKR NPR engine gasket kit,4HG1 diesel engine seal set,OEM ISUZU 4.6L gasket kit |
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The Full Engine Overhaul Gasket Kit with OEM number 5-87814979-0 (also listed as 5878149790) is a verified OEM-grade complete gasket and seal set for ISUZU 4HG1 and 4HG1T diesel engines. This comprehensive kit contains all essential gaskets and seals required to restore engine sealing integrity, maintain proper compression, and prevent oil, coolant, and combustion leaks.
| Part Number | 1-81200420-2 1812004202 1-81200442-0 |
| Product Name | Full Engine Overhaul Gasket Kit |
| Car Model | ISUZU NKR NPR |
| Engine Model | ISUZU 4HG1 4HG1T |
| Condition | 100% Brand New |
If your engine's gaskets and seals are failing, you may experience one or more of the following symptoms:
- Engine Oil Leakage: Oil spots or puddles forming under the vehicle
- Coolant Leakage or Loss: Unexplained drop in coolant level with visible external leaks
- Loss of Engine Compression: Reduced engine power, hard starting, or rough running
- Oil Contamination: Milky or frothy appearance on the oil dipstick
- Excessive Exhaust Smoke: White, blue, or black smoke from the exhaust
- External Fluid Leaks: Visible oil, coolant, or fuel seepage from various engine joints
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | NKR | N-Series | 4HG1, 4HG1T | 1997-2004 |
| ISUZU | NPR | N-Series | 4HG1, 4HG1T | 1997-2004 |
| ISUZU | NPR300 | N-Series | 4HG1, 4HG1T | -- |
| ISUZU | NPR71 | N-Series | 4HG1-T | 1998-2002 |
| Engine Code | Displacement | Fuel Type | Application |
|---|---|---|---|
| 4HG1 | 4.6L (4,570cc) | Diesel | NKR, NPR, ELF, NQR |
| 4HG1T | 4.6L (4,570cc) | Diesel Turbo | NKR, NPR, NPR300, NPR71 |
Guarantees factory-fit quality and performance
Includes all essential gaskets, seals, and O-rings
Engineered to withstand heavy-duty operations
Prevents oil, coolant, and combustion leaks
Guarantees accurate fit for 4HG1 and 4HG1T engines
Perfect for workshops and fleet maintenance
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify all gaskets match OE blueprint specifications |
| Material Composition | High-temperature, oil-resistant material verification |
| Seal Integrity Test | 100% quality inspection to guarantee leak-free performance |
| Compatibility Verification | Cross-referenced against OEM specifications |
| Final Assembly Inspection | 100% visual and dimensional inspection before packaging |
Pre-Installation Checklist:
- Verify engine code matches 4HG1 or 4HG1T compatibility
- Clean all sealing surfaces thoroughly
- Use new cylinder head bolts as recommended
- Refer to ISUZU workshop manual for torque specifications
- Inspect all engine components for wear
Installation Guidelines:
- Ensure engine is completely disassembled and cleaned
- Remove all old gasket material from sealing surfaces
- Install new gaskets in correct orientation
- Follow correct tightening sequence and torque specifications
- Refill with fresh engine oil and coolant
- Check for leaks and perform break-in procedure
Each gasket kit is securely packed in protective packaging to prevent shipping damage. Suitable for wholesale distributors, engine rebuild shops, truck repair facilities, and fleet owners.
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