O Ring Set

The Mazda O Ring Set, part number 1757-23-040B, is a direct replacement ignition component designed to ensure proper engine function. This specific O-ring set is a genuine Mazda OEM part and is a direct fit for various Mazda applications, replacing previous part numbers 175723040 and 175723040a. This O-ring kit is commonly associated with the 12A rotary engine, particularly for models from 1974-1985, including the RX-7. It may include inner and outer water jacket O-rings, tension bolt washers, and O-rings for the dowel pins, as indicated by Racing Beat's description. These components are crucial for sealing the engine's various sections and preventing fluid leaks, essential for the longevity and performance of the rotary engine. The product is backed by a minimum of a 12-month manufacturer warranty, offering peace of mind for its durability and performance.