Sierra 18-7790-1 Universal Inline Fuel Filter Kit with Clear Housing

The Sierra 18-7790-1 is a complete universal inline fuel filter kit designed for marine applications. This comprehensive kit provides reliable 20-micron filtration to protect sensitive fuel systems on inboard, sterndrive, and outboard marine engines.

Complete Kit Includes:

• Clear housing for easy visual inspection of filter condition
• Replaceable 20-micron filter element
• Fittings for 1/4" (6.4mm), 5/16" (7.9mm), and 3/8" (9.5mm) fuel lines
• All necessary hardware for installation

The clear housing design allows you to monitor filter condition and fuel flow at a glance, making maintenance simpler and more effective. The 20-micron element provides excellent filtration while maintaining proper fuel flow rates for optimal engine performance.

OEM Cross-References: Replaces Mallory 9-37954, Moeller 33319-10

Sierra has been a trusted name in marine aftermarket parts for over 50 years, engineering products that meet or exceed OEM specifications while withstanding the harsh marine environment.