Pai EM34550 Mack 745-288605 Tractor Protection Valve
Tractor Protection Valve (1) 3/8in Rear Service Port (1) 1/4in Stop Light Switch Port (1) 3/8in Trailer Service and Emergency Supply Rear Port (1) 3/8in Trailer Control Port (1) 3/8in Tractor Protection Port (1) 1/2in Supply Trailer Emergency Port (1) 3/8in Front Service Port (1) 1/2in Trailer Service Port
- Part number: EM34550
- OE MFG: MACK
- OEM Reference: 745-288605
- Cross Reference: OTHER : 20QE3234, 745-288605
- Product Class: Air Valves & Kits
The PAI EM34550 Tractor Protection Valve has a 3/8-inch rear service port, 1/4-inch stop light switch port, 3/8-inch trailer service and emergency supply rear port, 3/8-inch trailer control port, 3/8-inch tractor protection port, 1/2-inch supply trailer emergency port, 3/8-inch front service port, and 1/2-inch trailer service port. Tractor protection valves are heavy duty diesel truck parts that manage air connections between the tractor and trailer while separating service and emergency air circuits. MACK lists 745-288605 as the OEM reference, with 20QE3234 supplied as an additional cross-reference.
