Sierra 18-7858 Fuel Filter for Volvo Penta Stern Drive Engines - Replaces Volvo Penta 858201, Fram C1191A

The Sierra 18-7858 is a fuel filter engineered for Volvo Penta stern drive gas engines. It is built to meet or exceed the quality of the original equipment part it replaces, giving boat owners a dependable way to keep fuel clean and protect carburetors and fuel injection components from contaminants that cause rough running, clogging, and premature wear.

This filter carries a 20 micron rating, filtering out fine particulate and debris before fuel reaches the engine. The housing uses an aluminum outer material for durability in the marine engine environment. It is sold as a single unit and is designed as a direct-fit replacement, so it installs in place of the original filter without modification.

The Sierra 18-7858 is interchangeable with Fram C1191A, Mallory 9-37908, and Volvo Penta 858201, making it easy to cross-reference against the original part number on your engine. It is intended for Volvo Penta gas stern drive applications; always confirm the part number stamped on your existing filter or consult your engine's parts diagram before ordering to ensure proper fit.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-7858
• Product Type: Fuel Filter
• Micron Rating: 20 microns
• Outer Material: Aluminum
• Weight: 0.37 pounds
• Fit Type: Universal Fit
• Unit Count: 1
• OEM Cross Reference: Volvo Penta 858201, Volvo 858201-7, Fram C1191A, Mallory 9-37908

Fitment

Designed for Volvo Penta gas stern drive engines. Confirm your existing filter's part number before ordering.

Replaces (OEM)

• Volvo Penta 858201
• Volvo 858201-7
• Fram C1191A
• Mallory 9-37908

Frequently Asked Questions

What engines is the Sierra 18-7858 fuel filter designed for? The Sierra 18-7858 is designed for Volvo Penta gas stern drive engines. Check the part number on your existing filter before ordering to confirm a proper match.

What is the micron rating of this fuel filter? The Sierra 18-7858 carries a 20 micron rating, meaning it filters out particulate down to that size before fuel reaches the engine.

Is the Sierra 18-7858 the same as the OEM Volvo Penta filter? Yes, the Sierra 18-7858 is interchangeable with Volvo Penta 858201 (also listed as 858201-7) and is built to meet or exceed the quality of the original part.

Does this filter cross-reference to any other brands? The 18-7858 is interchangeable with Fram C1191A and Mallory 9-37908, in addition to the Volvo Penta OEM number, so any of those part numbers can be used to confirm the correct filter.

What material is the fuel filter housing made from? The Sierra 18-7858 fuel filter has an aluminum outer material.

How much does the Sierra 18-7858 fuel filter weigh? This fuel filter weighs 0.37 pounds.

How many filters come in a package? The Sierra 18-7858 is sold as a single unit, with a unit count of 1.

Is this an aftermarket or genuine Sierra part? The 18-7858 is a genuine Sierra part, manufactured to meet or exceed the quality of the original equipment fuel filter it replaces.

Will the 18-7858 fit any stern drive engine? It is listed as a Universal Fit filter intended for Volvo Penta gas stern drive engines; buyers should verify against their existing filter's part number since fit can vary by engine model.

How do I know if the 18-7858 is the right replacement for my old filter? Compare the part number stamped on your current filter to Volvo Penta 858201, 858201-7, Fram C1191A, or Mallory 9-37908; a match to any of these confirms the Sierra 18-7858 is the correct replacement.