Direct OEM-Grade Replacement: This PP-1 Push/Pull Valve is an exact-fit replacement for Bendix 276567 (and 284728, 5001489) and Haldex KN20021. It is engineered for broad compatibility across semi-truck, bus, and heavy-duty trailer air brake systems.
Reliable Parking & Emergency Control: The hand-operated Push/Pull mechanism provides firm, responsive control over your vehicle's parking and emergency air brakes. Essential for safety and compliance, this valve is designed to restore dependable, factory-level functionality to your dashboard.
40 PSI Auto-Release Safety Feature: This valve is engineered with a vital safety function: it automatically releases the pressure at 40 PSI to signal a low air status. This ensures the parking brake is set if air drops below a safe operating level.
Standardized Port & Shaft Specifications: Features industry-standard port sizing for easy plumbing: Supply, Delivery (x2), and Exhaust ports all use 1/8" NPT threads. The control shaft features a 3/8" size, matching OEM specifications for a direct mechanical fit.
Premium Quality & Complete Installation Kit: Manufactured to strict OE standards for reliable, long-term performance. The package includes 1x PP-1 Valve, plus the necessary button knob and mounting nut for a straightforward, hassle-free replacement right out of the box.