OEM Engine Piston 8-94340-620-2 8943406202 8-97176-602-0 For ISUZU 4JB1T 2.8L Diesel — 93mm STD Alfin Reinforced With Pin & Clips
| OEM Part Numbers: | 8-94340620-2 / 8943406202 / 8-94340-620-2 | Part Name: | Piston / Engine Piston |
| Bore Diameter: | 93 Mm (STD) | Piston Length: | 91.8 – 92 Mm |
| Compression Height: | 52 Mm | Pin Diameter: | 34 Mm |
| Pin Length: | 78 Mm | Ring Groove Size: | 2.0 × 2.0 × 4.0 Mm (Top / 2nd / Oil) |
| Combustion Bowl Depth: | 13.7 Mm | Valve Pockets: | 2 |
| Piston Weight: | Approx. 1.2 Kg (per Piston) | Material: | High-Grade Aluminum Alloy |
| Reinforcement: | Alfin Insert (Top Ring Groove) + Invar Strut | Surface Treatment: | Tin Plated |
| Includes: | Piston Pin + Circlips | Quantity Required: | 4 Per Engine (4-cylinder) |
| Engine Compatibility: | ISUZU 4JB1T, 4JB1-TC, 4JB1-TCH, 4JB1-TCL | Vehicle Compatibility: | ISUZU Bighorn, Mu, Wizard, Rodeo, Trooper, TFR/TFS Pickup |
| Production Years: | 1987–2006+ | Condition: | Brand New — 100% Quality Inspected |
| Warranty: | 12 Months | ||
| High Light: | Isuzu 4JB1T diesel engine piston,93mm STD Alfin reinforced piston,OEM engine piston with pin clips |
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The Engine Piston with OEM numbers 8-94340-620-2 (also listed as 8943406202, 8-94340-620-2, 8-97176-602-0) is a verified OEM-grade direct replacement for ISUZU 4JB1T 2.8L turbo-diesel engines. This precision-engineered piston transmits combustion force to the connecting rod, seals the combustion chamber, and manages heat transfer to the cylinder walls.
- OEM Specification — Verified by ISUZU OEM part numbers 8-94340-620-2, 8943406202, 8-97176-602-0, and 8-94369-218-0
- Precision 93mm STD Dimensions — 93mm bore diameter, 91.8mm-92mm length, 52mm compression height, 34mm pin diameter, 78mm pin length
- Alfin Reinforcement — Austenitic cast iron ring carrier in the top ring groove for exceptional durability
- Tin-Plated Surface — Excellent scuff resistance during engine break-in and enhanced corrosion protection
- Proven Durability — High-grade aluminum alloy with Invar strut for controlled thermal expansion — rated for 300,000+ km
- Complete Assembly — Supplied with piston pin and circlips for direct installation
- OEM Cross-Reference Verified — Interchangeable with MAHLE 629 12 00, N ÜRAL 87-248000-30, TEIKIN 39188A, and IZUMI piston sets
If your engine piston is failing, you may experience one or more of the following symptoms:
- Engine Knocking Noise — Deep, metallic knocking or rattling sound from the engine block, especially under load
- Excessive Oil Consumption — Noticeable drop in oil level between service intervals
- Blue Exhaust Smoke — Bluish smoke from the exhaust, especially during acceleration
- Loss of Engine Power — Significant reduction in power and acceleration
- Engine Misfire — Rough running or misfiring
- Metal Shavings in Oil — Visible metallic particles in the engine oil during servicing
- Cylinder Wall Scoring — Vertical scratches on cylinder walls
| Part Number | 8-94340-620-2 8943406202 8-97176-602-0 |
| Product Name | Piston |
| Car Model | ISUZU NKR NHR ELF |
| Engine Model | ISUZU 4JB1T |
| Condition | 100% Brand New |
| Size | Standard |
| Material | High-strength aluminum alloy & precision bearings |
| Installation | Direct OEM replacement |
Primary Applications:
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | Bighorn | UBS | 4JB1T 2.8 TD | 1987-1991 |
| ISUZU | Mu / Wizard | -- | 4JB1T 2.8 TD | 1989-1998 |
| ISUZU | Rodeo | TF | 4JB1T 2.8 TD | 1988-2002 |
| ISUZU | Trooper | UBS | 4JB1T 2.8 TD | 1987-1991 |
| ISUZU | Pickup | TFR/TFS | 4JB1T 2.8 TD | 1988-2005 |
| ISUZU | NKR | N-Series | 4JB1T | 1988-2005 |
| ISUZU | NPR | N-Series | 4JB1T | 1988-2005 |
| ISUZU | Elf | N-Series | 4JB1T | 1988-2005 |
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