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55521Q163 | Genuine Paccar® Integrated Dump Air Height Leveling Valve
Paccar®

55521Q163 | Genuine Paccar® Integrated Dump Air Height Leveling Valve

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  • Product SKU: 55521Q163
  • Availability: In Stock
$85.00 - $85.00
$85.00
$85.00 - $85.00
$85.00
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Description: Integrated Dump Air Height Leveling Valve
Condition: New
Brand:  Paccar®
Part Number: 55521Q163

Type: Valve
Model: Kenworth, Peterbilt
Installation Kit: The valve typically includes the necessary mounting hardware and lever arm

Compatible Models:

  • Peterbilt:
    • 385
    • 387
    • 389
  • Kenworth:
    • T660
    • T680
    • T800
    • W900

Specifications:

Weight:  2.3 lbs
Dimensions: 8 x 5 x 5 

1. Description and Purpose

This valve maintains the vehicle's set ride height by regulating air pressure in the suspension system. Its integral dump feature enables rapid deflation of the air suspension, making loading, unloading, and maintenance more efficient.

2. Impact on Vehicle Performance

The valve ensures consistent ride height for optimal stability, handling, and comfort during operation. The dump feature adds convenience and efficiency, especially in situations requiring quick adjustments to the suspension.

3. Why Replacement is Important

A faulty valve can cause uneven ride height, reduced stability, and increased wear on suspension components. Timely replacement ensures proper suspension function, enhancing safety, performance, and operational efficiency.

Manufacturer Information:

PACCAR Inc. specializes in designing and manufacturing heavy-duty trucks through its DAF, Kenworth, and Peterbilt brands. Established in 1971, the company continues a legacy dating back to 1905.

Headquartered in Bellevue, Washington, PACCAR also operates a parts division, financial services, and manufactures industrial winches. Listed on the Nasdaq-100 and S&P 500, it remains a leader in truck innovation and global markets.

Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.

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