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21243502 Genuine Mack Pressure Regulator Valve

P/N: 21243502 Manufactured by: Mack
$175.00 - $175.00
$175.00
$175.00 - $175.00
$175.00
1 in Stock
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2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 21243502 is a genuine Mack RV-3 pressure reducing valve used in heavy-duty air brake systems. This valve regulates air pressure to the specified operating level and helps maintain stable pneumatic system performance.

Product Features

The 21243502 RV-3 pressure reducing valve is manufactured to Mack factory specifications for air system pressure control.

  • Regulates air pressure supplied to downstream pneumatic components.
  • Maintains consistent operating pressure under varying system demands.
  • Supports reliable performance of connected air brake system circuits.
  • Helps protect pneumatic components from excessive air pressure.
  • Designed for compatibility with OEM air system connections.
  • Assists stable air pressure regulation during vehicle operation.

Technical Specifications

Condition New
Part Number 21243502
Brand Mack
Part Type RV-3 Pressure Reducing Valve
Weight 1.0 lbs


Installation Notes

The 21243502 should be installed after inspecting the air lines, threaded ports, and sealing surfaces for contamination or damage. After installation, verify the regulated air pressure meets the specified system requirements and check all connections for leaks.

Always verify part number, valve configuration, air system pressure requirements, port connections, and vehicle application before installation.