The Alltrux ATX1214-0597 Rear Shock Absorber replaces OEM 20551628 and is designed as a service replacement for heavy-duty truck rear suspension systems. It helps control vibration, stabilize axle movement, and maintain consistent ride performance and load stability in fleet and vocational environments.

Rear shock absorbers play a critical role in suspension control by dampening road shock, reducing excessive bounce, and improving overall vehicle stability under varying load conditions. As original shocks wear, leak, or lose damping performance, ride quality, handling, and suspension component life can be negatively affected. Replacing worn rear shock absorbers helps restore proper suspension control, improve ride consistency, and reduce unplanned service events.

KEY FEATURES
• Designed for heavy-duty truck rear suspension service and maintenance applications
• Helps control vibration and stabilize rear axle movement
• Durable construction suited for fleet, vocational, and on-highway use
• Brand: Volvo
• Catalog details: Rear Shock Absorber – Interchange 20551628, 66431, 85066, 89448, 315435, S-26533
• Verify compatibility and application requirements before ordering

TECHNICAL SPECIFICATIONS
Alltrux Part Number: ATX1214-0597
OEM Reference: 20551628
Reference Numbers: 66431, 85066, 89448, 315435, S-26533
Brand: Volvo
System Application: Heavy-Duty Truck Rear Suspension System

CROSS REFERENCES
20551628, 66431, 85066, 89448, 315435, S-26533

Note: Confirm OEM and reference numbers along with application details before ordering to ensure proper fit and performance.