Bendix 289477 PP-3 Trailer Brake Supply Valve

The Bendix 289477 PP-3 trailer brake supply valve is a critical air brake component designed to protect the tractor air supply in case of a trailer break-away or air leak. This push-pull style control valve works in conjunction with the TP-3 tractor protection valve to supply air under pressure to the trailer brake system, ensuring safe operation of commercial vehicle air brake systems.

Key Features:

• Push-pull hand control operation for trailer brake system
• Automatic tripper piston prevents manual override of emergency trailer brake application
• Tripper exhausts at 30 PSI and charges above 50 PSI
• Manual plunger trips at 40 PSI release pressure
• Operating temperature range: -40°F to 200°F
• 7/8-20 UNEF-2A mounting hole diameter
• 1/8-27 NPT supply, delivery, and exhaust port threads

Designed for heavy-duty commercial vehicle applications including tractors, semi-trucks, and commercial trailers. This Bendix PP-3 valve is manufactured to the strictest quality standards for maximum efficiency, durability, and reliable performance in demanding brake system applications.

OEM Cross References: Meritor R955289477A, 1681041C91, LPP5598, 524221