M18 x 1.5MM. STAINLESS STEEL.
Stainless Wideband Lambda Oxygen Sensor AFR Boss Exhaust Fueling M18 x 1.5 T304
304 Stainless Steel Lambda Exhaust Oxygen Sensor Boss nut & Blanking plug, bolt
Stainless Lambda Oxygen Sensor AFR Boss 45 Angled Exhaust Fueling M18 x 1.5 T304
US PRO Difficult Access Socket Set Lambda Oxygen Sensor 10-22mm 9pc 5560
Lambda Oxygen Sensor Front Rear Pair Fits Honda Civic 2.0 Type-R CRV Jazz Accord
