Elastomer-Tuned Vibration Damper Crankshaft Damper for ISUZU 6HH1 Diesel Engine Direct OEM Replacement

• OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function
• Precision Damping: Elastomer ring specifically tuned to the 6HH1 engine's natural frequency for optimal vibration absorption
• Durable Construction: High-quality cast iron/steel hub with bonded elastomer ring withstands high temperatures and rotational forces
• Dynamic Balance: Precision-balanced to ensure smooth, vibration-free engine operation
• Integrated Timing Marks: Accurately positioned timing marks for correct engine timing
• Protects the Engine: Prevents crankshaft fatigue, bearing damage, and catastrophic engine failure
• Restores Smooth Operation: Eliminates harmful vibrations that can affect engine performance and longevity
• Direct Replacement: Simple installation during engine or service work
• Long Service Life: Engineered to withstand the rigors of heavy-duty commercial operation

This crankshaft damper is specifically designed for ISUZU medium to heavy-duty trucks. Common applications include:

• ISUZU FRR - Medium to Heavy-Duty Trucks
• ISUZU FSR - Medium to Heavy-Duty Trucks
• ISUZU FTR - Medium to Heavy-Duty Trucks
• ISUZU FVR (select models with 6HH1 engine)

• 6-Cylinder, Inline Diesel
• Displacement: 6.4L (6400cc)
• Naturally Aspirated / Turbocharged (6HH1T)
• Valvetrain: OHV
• Widely used in FRR, FSR, and FTR series trucks

1. Disconnect battery - Disconnect the negative battery cable before beginning work
2. Remove the drive belts - Loosen and remove all drive belts from the damper/pulley
3. Remove the old damper - Remove the center bolt and carefully pull the damper from the crankshaft
4. Inspect the crankshaft - Check the crankshaft nose for wear, burrs, or damage
5. Check the keyway - Inspect the crankshaft keyway and damper key for damage; replace if necessary
6. Clean thoroughly - Clean the crankshaft nose and the inside of the new damper
7. Prepare the new damper - Inspect the new damper and verify timing marks are correct
8. Align timing marks - Ensure the damper timing marks are aligned with the engine timing pointer
9. Install the new damper - Slide the new damper onto the crankshaft, aligning the keyway
10. Install the center bolt - Install the crankshaft bolt and torque to manufacturer specification
11. Reinstall drive belts - Reinstall drive belts and adjust tension to specification
12. Reconnect battery - Reconnect the battery
13. Start the engine - Start the engine and verify smooth, vibration-free operation
14. Check timing - Verify the engine timing is correct using the damper timing marks
15. Inspect for issues - Check for any unusual noise or vibration

• Material Verification: Confirms hub and elastomer materials meet OE specifications
• Dimensional Inspection: Hub dimensions, keyway, mounting holes, and timing marks verified against OEM tolerances
• Elastomer Bonding Testing: Bond strength between inner and outer masses verified
• Dynamic Balancing: 100% dynamically balanced to OEM specifications
• Timing Mark Accuracy: Timing mark positions verified for correct engine timing
• Hardness Testing: Elastomer durometer verified to ensure proper damping characteristics
• Visual Inspection: 100% checked for casting defects, elastomer cracks, or damage
• Packaged Safely: Protected and securely packaged to prevent damage during transit

• 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

For pricing, availability, or bulk purchase of the Crankshaft Damper 8-94395314-3 For ISUZU FRR FSR FTR 6HH1 Engine 8943953143, please contact our sales team for a competitive quote and expert technical support.