9738990410 WABCO Quick Release Valve QR030 | KN32003 | 1/2" Inlet, 3/8" Outlet | New Genuine

973-899-041-0 / 9738990410 WABCO QR030 Quick Release Valve – KN32003
New Genuine OEM Air Brake Valve

Product Summary:

This WABCO QR030 quick release valve (part numbers 973-899-041-0 / 9738990410, alternate KN32003) is engineered to rapidly exhaust air pressure from air brake systems, reducing brake lag and improving response time. Built to OEM standards for commercial vehicle applications requiring dependable braking performance.

Specs & Features:

• Part Numbers: 973-899-041-0, 9738990410
• Model: QR030
• Alternate Reference: KN32003
• Product Type: Quick Release Valve
• Inlet Port: 1/2"
• Outlet Port: 3/8"
• Crack Pressure: 3 PSI (Differential)
• Brand: WABCO
• Condition: New Genuine OEM

What's Included:

• (1) Quick Release Valve – QR030
• Seals and packaging as shown (if applicable)

Fitment Notes:

Used in commercial truck and trailer air brake systems. Verify port size and crack pressure before ordering.

Image Disclaimer:

Images may represent actual part or a close equivalent. Surplus items may show cosmetic wear or storage marks.

Warranty Policy:

This OEM product is sold as-is. No warranty is expressed or implied. Compatibility must be confirmed by buyer before installation.