Billet Water Pump Adapter

Billet Water Pump Adaptor – 12A / 13B / 20B / 26B Rotary Engines

Designed to suit Mazda 12A, 13B, 20B, and 26B rotary engines, our precision CNC-machined billet water pump adaptor bolts directly onto your engine for a simple, hassle-free installation.

The adaptor features dual -16 ORB inlet and outlet ports, along with an M12 x 1.5 threaded port for your water temperature sensor, making it ideal for high-performance and custom cooling system setups.

Each adaptor is supplied with the required O-ring seal for a secure, leak-free fit.

Optional Extra:

2 x -16 ORB to -16AN fittings are available to complete your installation.