⚠️【Important Notice Before Purchase】
If you are unsure about compatibility, please send us a photo of your old part, your part number, or your machine nameplate before ordering. Our technical team will check it for you to ensure you get the correct part and avoid any loss!

【Product Name】
8-94419602-1 4JB1 4JG2 Flywheel Ring Gear for Isuzu Sany Sumitomo Excavator

【Key Features / Advantages】

1. Exact Fit: Specifically designed for 4JB1 / 4JG2 engines, direct replacement for OEM part number 8-94419602-1. Compatible with Sany and Sumitomo excavators.

2. Solves Problems: Effectively solves issues like starter grinding, harsh metallic noises during starting, or the starter spinning freely without cranking the engine.

3. Durable Construction: Made of high-strength material, precision-machined and heat-treated teeth ensure accurate pitch, excellent wear resistance, and tight meshing.

4. Easy Installation: Standard dimensions for direct replacement of worn, chipped, or broken old parts, quickly restoring starting performance.

【Product Description】
This Flywheel Ring Gear is a critical transmission component connecting the starter motor to the engine flywheel. The starter gear meshes with the ring gear to crank the engine for ignition.
If your machine experiences hard starting, abnormal grinding noises from the starter, or visible wear and missing teeth on the flywheel ring gear, please replace this part immediately. Cost-effective repair to prevent further damage to the starter motor.

Compatible Models (Reference):
Sany Excavators
Sumitomo Excavators
Other construction machinery equipped with 4JB1 / 4JG2 engines

【Specifications】

• Part Number: 8-94419602-1

• Type: Flywheel Ring Gear / Starter Ring Gear

• Engine Model: 4JB1 / 4JG2

【After-Sales Support】
We are committed to providing you with quality parts and excellent service. If you have any issues, please feel free to reach out. We are always here to help!