Many parts look similar, so it’s crucial to ensure you’re choosing the right replacement for your original equipment or engine model. Not sure? Use our Parts Lookup Tool to view part diagrams and find the correct replacement.
- Fits many 409777 / 40T677 / 40T876 / 40T877 / 44L977 / 44M977 / 44P977 / 44Q977 / 44T677 / 44T877 / 44T977 / 499777 / 49L977 / 49M777 / 49M877 / 49M977 / 49S877 / 49T777 / 49T877
- Engine part compatibility is determined by the model number of the engine. For questions regarding compatibility, please contact us.
- The intake manifold evenly distributes the air-fuel mixture from the throttle body or carburetor to the engine’s cylinders, ensuring balanced combustion and optimal performance
- By ensuring an even distribution of the air-fuel mixture, the intake manifold helps improve engine efficiency, power output, and fuel economy
- In modern engines, the intake manifold often integrates with fuel injectors, allowing precise control of the air-fuel mixture entering the cylinders
- It consists of a plenum, which is a common chamber, and runners that connect the plenum to each cylinder. This design helps in efficient air-fuel mixture delivery
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov



