This OEM crankshaft for Isuzu 4JG1, 4JG1T, and 4JG2 engines (8971909303) is engineered for superior strength, perfect balance, and long-lasting durability. Designed for NPR, NKR, and NHR trucks, it provides smooth engine rotation, reduces vibration, and enhances overall engine performance.
Built to meet OEM specifications, this crankshaft ensures proper fitment, optimal lubrication, and reliable performance under heavy-duty conditions. It is the ideal choice for engine rebuilds, major overhauls, and performance restoration.
Key Features:
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OEM-quality crankshaft for Isuzu 4JG1 / 4JG1T / 4JG2
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Part Number: 8971909303
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Provides smooth rotation and reduced engine vibration
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Ideal for engine rebuilds and major overhauls
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Compatible with NPR, NKR, and NHR trucks
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High-strength construction for long-lasting durability
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Precision-machined for perfect fit and balance
Frequently Asked Questions (FAQ)
1. Which engines is this crankshaft compatible with?
This crankshaft fits Isuzu 4JG1, 4JG1T, and 4JG2 engines.
2. What is the OEM part number for this crankshaft?
The OEM part number is 8971909303.
3. Can it be used in NPR, NKR, and NHR trucks?
Yes, this crankshaft is fully compatible with these truck models.
4. Is this crankshaft OEM quality?
Yes, it is manufactured to OEM specifications for fit, strength, and durability.
5. Is this suitable for a full engine rebuild?
Absolutely. It is ideal for complete overhauls and restoring engine performance.
Crankshaft | Isuzu 4JG1 / 4JG1T / 4JG2 Engine | 8971909303
OE Replacement: 8971909303, 8-97190930-3, 8-9719-0930-3, 8970231821, 8-97023-182-1, 8971909300, 8971909301, 8971909302
Fits Following: Takeuchi Compact Track Loader: TL140
Hitachi Crawler Tractor:DX40-C, DX40M-C, DX40MM-C, DX45-C, DX45M-C, DX45MM-C
Hitachi Excavator: EX75UR-5, EX75URT-5, EX75US-5, HR750SM, HX180B, ZR240JC, ZR600TS, ZR800TS, ZX60-HCMC, ZX70, ZX70-HCME, ZX70-HHE, ZX75UR, ZX75URT, ZX75US, ZX75US-A, ZX80LCK, ZX80SB, ZX80SB-HCME, ZX85US-HCME
John Deere Excavator:75C, 80C
Year: Provide vin# or serial number for Year Information




