The GReddy Type-B oil filler cap in blue is specified for Mazda applications with an M35-P4.0 fitting. It provides a colored replacement cap that matches the listed Mazda filler neck size, refreshing the engine-bay look while maintaining the described thread compatibility. The Type-B cap is intended as a straightforward swap for the factory cap on compatible Mazda engines.
GReddy Type-B Oil Filler Cap Mazda M35-P4.0 - Blue