Lower Insulator Pad 21036254

This is a heavy-duty lower spring bracket insulator (also called a load pad or suspension insulator). It is a critical component in the rear suspension systems of many Mack truck models.

Technical Specifications

• Description: Lower suspension insulator/pad.

• Material: Typically high-durability polyurethane or industrial-grade rubber, designed to absorb shock and reduce vibration.

• Dimensions:

  • Length: 6.000 inches

  • Width: 6.000 inches

  • Height: 3.750 inches

  • Button Diameter: 1.750 inches

  • Average Weight: 4.1 kg

• Application: Commonly used in SS34, SS38, and SS44 series rear suspensions (rated for 17,236 to 20865 kg capacities). It serves to cushion the load between the leaf springs and the suspension bracket, helping to extend the life of surrounding components and provide a smoother ride.

Key Details

• Compatibility: This part is frequently used to replace older Mack part numbers, including 10QK36B, 10QK36C, 10QK388, and 10QK320.