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Aftermarket Replacement for
Part Number: 20QE377
Mack 20QE377 Tractor Protection Valve for TP3 Style
This item is NOT eligible for returns or cancellations
Port A - PT Trailer Emergency Port: 1/2 inch pipe thread
Port B - PT Trailer Service Port: 1/2 inch pipe thread
PT Tractor Emergency Port: 1/4 inch pipe thread
PT Tractor Service Port: 3/8 inch pipe thread
Valve Length: 4-3/4 inches
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Technical Information
Port A - PT Trailer Emergency Port: 1/2 inch pipe threadPort B - PT Trailer Service Port: 1/2 inch pipe threadPT Tractor Emergency Port: 1/4 inch pipe threadPT Tractor Service Port: 3/8 inch pipe threadValve Length: 4-3/4 inches