Amazon.com: M12x1.5 to 1/8 NPT Aluminum Fitting Pressure Gauge Sensor Sender Thread Reducer Adapters Female M12 P1.5 to Male 1/8 NPT Blue : Automotive
1/8" NPT Female To M12x1.5 Male Reducer Oil Pressure Gauge Adapter Brass sump | eBay
Amazon.com: Oil Pressure Sensor Tee Adapter M12 x 1.5 to 1/8 NPT Port Turbo Supply Feed Line Gauge M12x1.5 Female to M12x1.5 Male with 1/8 NPT Side Port Hose T Stainless Steel : Automotive