Sierra
Exhaust Manifold Elbow - 18-1978 - Sierra
Price: $260.04
Save: $79.95
(23% Off $339.99)
Part # 18-1978
2nd Day Air for $2.99 More Eligible
Hurry! Only 1 left in stock
No Reviews
This item is found in the following Product Families
Replaces OEM part #
  • MERCURY MARINE 76771A2
  • MERCURY MARINE 76771A3
For: V-8 Inboard Applications Only
Use with:
    Manifold: 18-1950-1, 18-1951-1, 18-1958, 18-1962, 18-1954-1, 18-1955-1, 18-1956-1
    Elbow Gasket: 18-2833
    Mounting Kit: 18-4362
Q:
Re mercury marinereplacement parts for 76771A3 what is the difference between the two? Why does the Mallory have a flange like piece sticking out the exhaust and the other does not?
A:
Mallory design is more universal to late model inboard engines, so it accommodates more motors.


Ask a question
Question & Answer Guidelines
This product ships in 1 business day.
Add to Cart and enter your Postal Code to determine the shipping charges.
Most products and orders leave our warehouse in 1 business day. However, select items may take more processing time. Alaska and Hawaii orders please add 1 additional warehouse processing day.
Standard Shipping Policies
Do you need Professional Installation? iboats.com has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer: