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Mazda Water Bypass Outlet (BP)
$ 8.12
The water cap on the back of the head of your BP engine. Part number BP4W-15-179. This is a used part and is sold as-is. Comes with a lightly crispy NB water temperature sensor.
Only 1 left in stock
Description
Part Number: BP4W-15-179
Vehicle: 1994-2005 Mazda Miata (but also fits 1989-1993)
Fitment: Engine, Head (rear)
I’ve seen people use these to diy their own coolant reroute, although most of the time they’ll just reuse what they already have. Maybe you just need a spare?