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Bendix · Air System
BNXOR275491X-NL
In stock · ships from Knoxville
This is a remanufactured Bendix D-2 governor valve (coreless, meaning no core charge).
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Inventory title incorrectly lists this as a tractor protection valve; the actual part (OR275491X) is a D-2 governor valve. Typical D-2 governor pressure range is cut-out ~130 psi, cut-in ~110 psi (adjustable), 1/4 NPT ports, but these specs are not verified in the listing and may vary.
Part data verified against 1 catalog sources
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It controls the air compressor in your heavy truck’s air system by sensing reservoir pressure and signaling the compressor to stop pumping when the preset maximum is reached, then to resume at the minimum. You replace it when the compressor runs continuously, fails to build pressure, or cycles abnormally.
Part Number: BNXOR275491X-NL
TRACTOR PROTECTION VALVE
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside air system