Sierra 18-35437 Mechanical Fuel Pump for MerCruiser Stern Drive

The Sierra 18-35437 is a premium-quality mechanical fuel pump designed specifically for MerCruiser stern drive applications. This aftermarket replacement is engineered to meet or exceed OEM specifications and delivers reliable performance in demanding marine environments.

Key Features:

• Designed for 4-cylinder MerCruiser engines (2.5L, 3.0L, and 3.7L)
• Compatible with MerCruiser 3.0L engines with aft inlet configuration, serial number 0L097000 and up
• Includes mounting gasket for proper installation
• Mechanical fuel pump design ensures dependable fuel delivery
• Engineered to meet OEM specifications for long-lasting durability

Replaces OEM Part Numbers: MerCruiser 42725A3, 861676A1, 861676T09, 8M0073435, and Mallory 9-35437. Note that if replacing part numbers 42725A3 or 861676A1, fuel line modifications may be required due to different inlet/outlet port locations. This pump is a direct replacement for MerCruiser 8M0073435.

Sierra Marine is a trusted leader in aftermarket marine engine parts, providing premium-quality replacements backed by rigorous engineering standards and a limited lifetime warranty.