Extra heavy duty rubber cap rated for a long service life with heated pressurized coolant. Don’t trust cheap parts store vacuum caps that will fail and leave you stranded!
This cap is needed when installing any 2ZZ engine in the MR2 Spyder. Fits all 2ZZ-GE engines. Fits location #1 in the picture.
Can also be used to block the breather fitting on the 2zz throttle body when installing a turbo or a vented breather can.
Approximately 19mm ID
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