Isuzu Reduction-Gear Starter Motor Solenoid-Actuated for 4JB1 4JA1 Engines in TFR NHR NKR Trucks

Isuzu 8-94337444-0 8943374440 Starter Motor For TFR NHR NKR 4JB1 4JA1

Function: Precision reduction-gear starter motor that converts electrical energy into high-torque cranking force, ensuring reliable engine ignition for Isuzu 4JB1 and 4JA1 diesel engines in commercial trucks and equipment.

Please verify fitment using your specific chassis number, VIN, or original part number before ordering.

• OE Quality: Manufactured to strict ISUZU OEM dimensional, electrical, and material standards for perfect direct-fit replacement
• Reduction Gear Design: Planetary gear reduction system multiplies motor torque by up to 20:1 for high cranking power
• High-Torque Solenoid: Heavy-duty solenoid with copper contacts and pure copper windings for reliable operation
• Robust Construction: High-grade cast iron or heavy-duty aluminium alloy housing with hardened alloy steel drive pinion
• Integral Overrunning Clutch: Prevents overspeed damage to starter armature and reduces wear
• Engineered for Commercial Use: Designed for hundreds of thousands of kilometers of heavy-duty operation
• Global Compatibility: Fits Isuzu vehicles worldwide and cross-compatible with industrial equipment

• Material Verification: Components tested to meet JIS/SAE durability, torque, electrical, and wear standards
• Dimensional Accuracy: Mounting verified against OE blueprints using CMM equipment (±0.5 mm tolerance)
• Electrical Testing: Solenoid performance validated under full load conditions
• No-Load Performance Test: Armature rotation speed and current draw measured to OE specifications
• Loaded Torque Test: Cranking torque measured on dynamometer under simulated engine compression load
• ISO 9001:2015 / IATF 16949 Certified: Facility meets international automotive quality management standards

• Individual Packaging: Anti-corrosion oil-coated, sealed in moisture-barrier VCI bag with OE-style labeling
• Wholesale/Bulk Orders: Available in case packs of 2, 4, 6, 10, 20 units with pallet pricing for volume orders
• Customization: Neutral or private-label retail packaging available for volume wholesale orders
• Fast Shipping: Ready stock for immediate dispatch worldwide via express courier or sea freight