Sierra 18-4457 Exhaust Protector Valve Replaces 12644A1 - (MW)
Sierra 18-4457 Mercruiser Exhaust Protector Valve - Replaces 12644A1
The Sierra 18-4457 Exhaust protector valve is a compounded rubber flapper valve that prevents water from entering the exhaust system. This valve is made with weather-resistant EPDM with U/V stabilizer. Includes a stainless steel clamp.
Size: 4"
Interchangeable with:
- GLM
- Mallory
- 9-44001
- Mercruiser Stern Drive
- 12644Q01
- 12644A1
WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov
Product Specifications
| Brand | Sierra |
|---|---|
| Manufacturer Part No. | 118-4457 |
| UPC | 030999621863 |
| Dimensions | 1.62" L × 8" W × 11.62" H |
| Shipping Weight | 0.57 lb |
| Shipping Box | 10x10x15" |

