| OE Number | 20972904 |
| Compatibility | Chevrolet Silverado HD, GMC Sierra 3500, Freightliner Cascadia |
| Material | Vibration-Damped Polyurethane Composite |
✓ Heavy Truck Compatibility: Optimized for Sinotruk HOWO, Shaanxi Automobile Group models
✓ Agricultural Machinery: John Deere 9R Series, CASE IH Steiger 620 Quadtrac
✓ Construction Equipment: Caterpillar 950GC Wheel Loader, XCMG XE370CA Excavator
Symptom: Abnormal vibration during gear shifting in 2018-2022 Volvo FMX 460 models
Root Cause: Fatigue failure of original rubber mounts after 150,000+ km operation
Solution: Replacement with GM OE 20972904 mount reduced vibration by 68% based on SAE J401 standards
As ISO 9001-certified specialists in construction machinery parts and heavy truck components, we deliver:
✓ Genuine Dana Spicer axle kits
✓ ZF Friedrichshafen transmission parts
✓ Bosch fuel injection systems
