Sierra 18-4456 Exhaust Protector Valve
Ships: In 1 Business Day
Key Features:
- Compounded rubber flapper valves prevent water from entering the exhaust system
- Made with weather resistant EPDM with U/V stabilizer
Additional Details:
- Includes: Stainless Steel Clamp
- Size: 3" or 76.2mm
Cross References
GLM
- 89240
Mallory
- 9-44000
Mercruiser Stern Drive
- 34765A1
- 34765A2
Fitment Information
Mercruiser
- 190 GM 1963-1964 4 stroke 8 cylinders 283 cid
- 200 GM 292 I/L6 1969-1969 4 stroke 6 cylinders 292 cid
- 225 2 BBL GM 1963-1969 4 stroke 8 cylinders 327 cid
- 225 MIE GM 327 1968-1968 4 stroke 8 cylinders
- 250 2 BBL GM 327 1968-1969 4 stroke 8 cylinders
- 250 MIE GM 327 1968-1969 4 stroke 8 cylinders
- 270 2 BBL GM 350 1969-1972 4 stroke 8 cylinders
- 270 MIE GM 350 1969-1972 4 stroke 8 cylinders
- 325 GM 427 1969-1972 4 stroke 8 cylinders
- 325 MIE GM 427 1968-1974 4 stroke 8 cylinders
Please be aware that all products have a production or warehouse lead time. This is the number of business days (typically not including the day the product was ordered) that must pass before the item begins the shipping process. Please see the "Ships: In" information located within the main product description to the right of the product image and below the ADD TO CART button for that particular product's "Ships: In" timeframe.
IMPORTANT: Please note that these timeframes are estimates only based on the latest information provided to us by the manufacturer/supplier. Delays in both material, production and shipping timeframes by manufacturers can vary without advanced notice and while we do our best to keep "Ships: In" timeframes up to date we may not always be able to do so due to a variety of factors.
If a product is needed by a specific date we strongly recommend you reach out to our Sales team (1-800-869-1686) to verify shipping timeframes.
Canadian orders please add an additional 14 business days for processing and shipping. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Click here to see our Standard Shipping Policy
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.