RT4 Multi-Function. Meets all FMVSS-121 trailer requirements for spring brake control and other regulations from October 1992 to present.. Interchangeable with competitive units. Used on trailers to control both parking and emergency brake functions. Controls reservoir charging.

Aftermarket KN26020 Multi-Function RT4 Trailer Valve. Part# 322-GN26020 . $69.70 USD

RT4 Multi-Function. Application Summary. Used on trailers to control both parking and emergency brake functions. Features & Benefits. Made of Engineering Grade Composite (EGC) for longer-lasting service life; Built to withstand high impact and resist corrosion and chemicals; Lightweight and with integral anti-compounding

2014年10月25日 · Haldex KN26020 Multi-Function RT4 Trailer Valve. Part# 070-KN26020 . $196.38 USD Not Yet Rated | Write the First Review

Direct replacement for the Midland KN26020 RT4 valve; Used on trailers to control both parking and emergency brake functions; Controls reservoir charging; Applies emergency (parking) brakes upon loss of trailer supply (emergency) line pressure; Trailer supply port = 3/8″ pipe thread; Trailer Control port = 3/8″ pipe thread

RT-4 multi-function trailer spring brake valve RL3527GC01 applies emergency (parking) brakes upon loss of trailer supply (emergency) line pressure. 3/8 inch NPT supply, delivery and control ports. 3/8 and 1/2 inch NPT reservoir port. 55 PSI closing pressure. Typically ships in 5 …

Used on trailers to control both parking and emergency brake functions. Controls reservoir charging.

Remanufactured RT4 Multi-Function, same as KN26010X. Meets all FMVSS-121 trailer requirements for spring brake control and other regulations from October 1992 to current date. Interchangeable with competitive units. Used on trailers to control both parking and emergency brake functions. Controls reservoir charging.

RT4 Multi-Function Trailer Valve. Interchangeable. Used on trailers to control parking and emergency brake functions. Applies emergency parking brakes upon loss of trailer supply line pressure. Comes with Safety Caps to Protect the Threads and Mechanism prior Installation.