Alternator 12V 50Amp | Isuzu 4JB1T / 4JB1 Engine

The Alternator 12V 50Amp for Isuzu 4JB1T / 4JB1 engines is a top-quality, OEM-grade replacement part that ensures efficient power generation and consistent electrical performance.

Engineered with premium-grade copper wiring, high-strength bearings, and corrosion-resistant components, this alternator delivers steady voltage output, extended service life, and low-maintenance reliability. Designed to perform under high temperatures and heavy loads, it guarantees optimal operation for vehicles and machinery powered by Isuzu’s 4JB1 diesel engines.

Ideal for both on-road Isuzu trucks (NKR, NPR, ELF) and off-road industrial applications, this alternator provides perfect OEM fitment and restores factory-level performance.

⚙️ Key Features:

• Voltage: 12 Volts

• Amperage: 50 Amps

• Direct OEM Replacement for Isuzu 4JB1 / 4JB1T engines

• Maintains battery charge and system stability

• High-efficiency stator & rotor design

• Built with heat-resistant bearings for durability

• Corrosion-resistant aluminum casing

• Low noise and vibration operation

• Easy installation — plug-and-play fitment

• Long service life with minimal maintenance

🚚 Compatible Applications:

• Engine Models: Isuzu 4JB1, 4JB1T

• Vehicle Models:

  • Isuzu NKR, NPR, ELF Trucks

  • Isuzu Pickup and light commercial trucks

  • Industrial and construction machinery with 4JB1 engines

• Fitment Type: OEM-spec direct replacement

• Years: 1990–2015 (depending on vehicle model)

Alternator 12V 50Amp | Isuzu 4JB1T / 4JB1 Engine

OE Replacement: 8972283181, LR150714, LR150715, 8972012810, 897228-3180, 8972283180, 71440090, 8972283181, 897201-2810

Fits Following: Specification:
Voltage (V):12 | Amperage (A):50

Isuzu Engine: 4JB1 (1995 and newer) | 4JG1,4JG2 (1993 and newer) | 4LE1, 4LE2 (2007 and newer)
Applications: Hyundai Forklift | Truck: NHR, HDF20/25/30II, HDF20-2, HDF25-2, HDF30-2
| Doosan-Daewoo Excavator:SOLAR 55, DH55

Year: 2006-2014