Stant 10227 Radiator Cap

O-ring replacement for leaking first generation Miata cam angle sensors. Without replacement the sensor can leak down the engine and damage heater hoses. Fits: 1990-1997 Mazda Miata (CAS located on the back passenger side of the engine for 90-93, back driver side for 94-97) Tip: It is much easier to match the CAS to the back of the camshaft with the valve cover removed. (Be sure to reseal valve cover)

O-ring replacement for leaking first generation Miata cam angle sensors. Without replacement the sensor can leak down the engine and damage heater hoses. Fits: 1990-1997 Mazda Miata (CAS located on the back passenger side of the engine for 90-93, back driver side for 94-97)
Material: Nitrile Rubber
Meets: As568a Standards which is the Aerospace size standard for O-rings
Purchase comes with one O-ring
O-ring replacement for leaking first generation Miata cam angle sensors. Without replacement the sensor can leak down the engine and damage heater hoses. Fits: 1990-1997 Mazda Miata (CAS located on the back passenger side of the engine for 90-93, back driver side for 94-97)
Material: Nitrile Rubber
Meets: As568a Standards which is the Aerospace size standard for O-rings
Purchase comes with one O-ring

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Mazda Miata CAS Cam Angle Sensor O-ring: 9954-10-3801 (OEM SPEC);