Product Title
Flywheel Ring Gear for Isuzu Engine 6WG1, 139 Teeth

Product Overview
This flywheel ring gear is specially designed for the Isuzu 6WG1 engine series. Manufactured from high-quality forged alloy steel, it undergoes induction hardening and precision machining to ensure accurate 139-tooth geometry for perfect engagement with the starter motor pinion. With OEM part number 1-12333013-1, it guarantees direct interchangeability and is ideal for heavy-duty trucks, construction equipment, and generator sets – a critical component for reliable engine starting.

Key Features

• High wear resistance – Induction-hardened surface ensures uniform hardness and extended service life.

• Precision tooth profile – Standard 139-tooth design for smooth engagement and low starting noise.

• OEM quality – Manufactured strictly to Isuzu technical specifications with tight dimensional tolerances.

• High-strength material – Made of chromium-molybdenum alloy steel with excellent impact and fatigue resistance.

Technical Specifications

• Engine Model: Isuzu 6WG1

• Number of Teeth: 139

• Part Number: 1-12333013-1

• Packaging: Individual carton box

Installation & Usage Tips

• Clean the flywheel surface thoroughly and check the interference fit between the ring gear and flywheel before installation.

• After installation, verify the pinion engagement clearance to ensure smooth meshing without binding.

• Periodically inspect the ring gear for wear; replace immediately if teeth are chipped or broken.

Packaging & Delivery

• Each unit comes with individual anti-rust packaging and a sturdy carton box.

• Bulk orders can be palletized for secure shipping.

• Adequate stock available; orders are shipped within 1–3 working days.