High-strength Alloy Steel Case-hardened Idler Gear HRC 55-60 for Isuzu FRR FSR 6HK1 6HH1

The Idler Gear (OEM Numbers: 8-97112607-0 / 8971126070) is a premium-quality, direct replacement timing component designed for Isuzu FRR and FSR series medium/heavy-duty trucks equipped with 6HK1 or 6HH1 diesel engines.

• OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and reliable timing.
• Precision Gear Teeth: Hobbed and ground for accurate tooth profile, reducing noise and wear.
• Case-Hardened: Surface hardness HRC 55-60 for exceptional wear resistance; tough core absorbs shock.
• Precision Bore: Accurately machined for proper fit on idler shaft or bearing.
• Restores Engine Timing: Eliminates timing noise, incorrect valve timing, and power loss.
• Direct Replacement: Matches OE gear dimensions - simple bolt-on installation.
• Cost-Effective: Affordable alternative to genuine OEM gears.

This idler gear is specifically designed for Isuzu FRR and FSR trucks with 6HK1 or 6HH1 engines.

• ISUZU FRR (medium-duty truck)
• ISUZU FSR (medium-duty truck)
• Other Isuzu trucks using these engines - verify compatibility

Installation steps (overview for timing gear train):

1. Remove front timing cover and any components blocking access.
2. Remove the old idler gear (may require pulling the gear off the shaft).
3. Inspect the idler shaft and bearings - replace if worn.
4. Clean the shaft and gear bore.
5. Lubricate the new gear bore and idler shaft with engine oil.
6. Install the new idler gear onto the shaft, ensuring alignment with crankshaft and camshaft gears.
7. Install any retaining bolts or washers, torque to specification.
8. Check timing marks alignment - rotate engine to verify correct timing.
9. Reinstall timing cover and associated components.
10. Start engine and listen for abnormal gear noise.

• Material Verification: Alloy composition and hardness tested.
• Dimensional Inspection: Tooth profile, pitch diameter, bore size, and runout verified.
• Hardness Testing: Surface hardness (HRC 55-60) confirmed.
• Magnetic Particle Inspection: 100% crack detection.
• Surface Finish Inspection: Checked for burrs or machining defects.
• Visual Inspection: 100% checked for chipped teeth or damage.
• Packaged Safely: Coated with anti-rust oil, wrapped in plastic, boxed with foam.

• Neutral export packing or customized packaging available
• Carton or wooden case for safe transportation
• Fast delivery for stock items
• Shipping by Express Air or Sea