Sierra 18-7715 Fuel Filter, Replaces 35-892665, for Mercruiser V-8 Gen III Cool Fuel Systems

The Sierra 18-7715 is a fuel filter element engineered for Mercruiser V-8 engines equipped with Gen III Cool Fuel Systems. It is built as a direct replacement for the OEM Mercruiser filter and is designed to trap contaminants and debris from the fuel supply before they reach the engine, helping protect injectors and carburetion components from premature wear and fouling. The filter body is white in color and constructed of precision-molded plastic for a consistent, reliable fit in the fuel system housing.

This filter is intended for routine maintenance replacement on Mercruiser V-8 engines running the Gen III Cool Fuel System, and it directly replaces Mercruiser part number 35-892665. Sierra manufactures its marine parts to consistent quality standards, and every Sierra part is backed by Sierra's Industry Leading Customer Satisfaction Warranty, giving boat owners confidence in fit and performance when servicing their fuel system.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-7715
• Product Type: Fuel Filter
• Color: White
• Material: Plastic
• Weight: 0.04 pounds
• Vehicle Service Type: Watercraft
• Replaces (OEM): 35-892665
• Fits: Mercruiser V-8 using Gen III Cool Fuel Systems

Fitment

• Mercruiser V-8 engines using Gen III Cool Fuel Systems
• GM 255, 590768 & later
• Mercruiser 5.7L SKI 340, 230 & 260 Inboards, all

Replaces (OEM)

• 35-892665

Frequently Asked Questions

What engines does the Sierra 18-7715 fuel filter fit? The Sierra 18-7715 fits Mercruiser V-8 engines that use Gen III Cool Fuel Systems.

Does the 18-7715 replace an OEM Mercruiser fuel filter? Yes, it directly replaces Mercruiser part number 35-892665.

What color is the Sierra 18-7715 fuel filter? It is white.

What material is the Sierra 18-7715 made from? The filter body is made of plastic.

How much does the Sierra 18-7715 fuel filter weigh? It weighs 0.04 pounds.

Is the Sierra 18-7715 a genuine Sierra part or aftermarket? The 18-7715 is a genuine Sierra International part, manufactured as a direct-fit replacement for the Mercruiser fuel filter it is designed to replace.

Will this filter work on a GM 255 engine? This filter is listed for GM 255 engines with serial number 590768 and later, in addition to Mercruiser V-8 Gen III Cool Fuel System applications.

Does the 18-7715 fit 5.7L Mercruiser inboards? Yes, the Sierra 18-7715 fits Mercruiser 5.7L SKI 340, 230, and 260 Inboards, all models.

Is a warranty included with the Sierra 18-7715? Sierra parts, including the 18-7715 fuel filter, are covered under Sierra's Industry Leading Customer Satisfaction Warranty.

What type of fuel system does the 18-7715 filter service? It is designed specifically for Gen III Cool Fuel Systems on Mercruiser V-8 engines.

Can the 18-7715 be used as a routine maintenance replacement part? Yes, the 18-7715 fuel filter element is intended for routine replacement of the fuel filter in the applicable Mercruiser V-8 fuel system.