Sierra 118-7233 Carburetor Needle and Seat Assembly for Mercury Outboards

The Sierra 118-7233 needle and seat assembly is a precision-engineered carburetor component designed for Mercury marine outboard engines. This critical assembly regulates fuel flow into the carburetor's fuel bowl, ensuring proper fuel levels for optimal engine performance and fuel efficiency.

Key Features:

• Manufactured to meet or exceed OEM specifications for reliable performance
• Constructed with marine-grade materials for durability in harsh saltwater environments
• Direct replacement for Mercury Marine part number 1395-7824
• Compatible with WO-3 and WH-15 series carburetors
• Precision-engineered seat and needle valve for accurate fuel metering

Application:

• Fits Mercury V150, V175, V200, and V225 outboard models (1976-1990)
• Compatible with Mercury 3.4L engines (1984-1986)
• Works with various WH and WO carburetor series

The needle and seat work in tandem to control fuel entry into the carburetor bowl—the brass seat features a precisely machined opening while the tapered needle valve opens and closes to maintain proper fuel levels. Sierra Marine has been a trusted supplier of marine engine parts for over 50 years, providing quality components that stand up to the demands of high-horsepower marine engines.