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Vehicle Info NeededSTEWART WARNERPART NUMBER: 728-364K-F
15 PSI Normally Closed Pressure Switch, 1/8 in. NPT Thread
$2299
Ships on Nov 11, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
Normally Closed Pressure Switch15 PSI Switch Point 1/8 in. NPT Male Thread 1 Post/Nut Terminal Voltage Independent Operation Sold Individually
This Stewart Warner pressure switch closes or opens a circuit at a fixed 15 PSI set point, a simple way to trigger a warning light, shift light, or accessory relay off engine oil or system pressure without running a full gauge. The compact brass body threads directly into a 1/8 in. NPT port.
Stewart Warner M-364K-F Compatibility Notes:
- Factory set point of 15 PSI on a normally closed circuit.
- 1/8 in. NPTF male thread for direct installation into common pressure ports.
- Single post/nut terminal for a simple wire connection.
- Voltage independent operation works on 6, 12, and 24 volt systems.
- Corrosion-resistant construction for underhood use.
Part TypePressure Switch
BrandSTEWART WARNER
Package Height2.0
Package Width2.0
Package Length2.38
Weight0.2 PG
Part CategoryAccessories
Universal Or Specific FitUniversal
Terminal TypePost/Nut
Minimum Activation Pressure (Psi)15 PSI
MaterialBrass
Thread Size1/8 in. NPT
Terminal Quantity1
Part FitmentUniversal
Vendor Part NumberM-364K-F
Package Qty1
Package TypeEA
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