Sierra 18-7859 Fuel Filter - Replaces 35-53336, 3302-9033, 35-53336Q - GM Inline 4/6, Ford & GM V-8, Mercruiser 224 CID

The Sierra 18-7859 is a fuel filter engineered as a direct replacement for marine and inboard/outboard fuel systems using a 30 micron filtration rating. It is designed to trap contaminants and sediment before they reach the carburetor or fuel injection system, helping protect engine components from debris-related wear and fuel delivery problems.

This filter fits most GM inline 4 and 6 cylinder engines, Ford and GM V-8 engines up to 400 HP, and all Mercruiser 224 CID engines. It is built to the same specifications as the OEM parts it replaces, giving boat owners a straightforward drop-in option when performing routine fuel system maintenance or replacing a worn filter.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-7859
• Micron Rating: 30
• Fitment: Most GM Inline 4 & 6 cylinder, Ford & GM V-8 up to 400 HP, all Mercruiser 224 CID
• OEM Cross-Reference: 35-53336, 3302-9033, 35-53336Q
• Weight: 0.01 pounds
• Unit Count: 1 fuel filter

Fitment

• Most GM Inline 4 & 6 cylinder engines
• Ford & GM V-8 engines up to 400 HP
• All Mercruiser 224 CID engines

Replaces (OEM)

• 35-53336
• 3302-9033
• 35-53336Q

Frequently Asked Questions

What engines does the Sierra 18-7859 fuel filter fit? The Sierra 18-7859 fits most GM inline 4 and 6 cylinder engines, Ford and GM V-8 engines up to 400 HP, and all Mercruiser 224 CID engines.

What is the micron rating of this fuel filter? The Sierra 18-7859 has a 30 micron filtration rating, designed to trap sediment and contaminants before they reach the fuel system.

Which OEM part numbers does the 18-7859 replace? This filter replaces OEM numbers 35-53336, 3302-9033, and 35-53336Q.

How much does the Sierra 18-7859 weigh? The Sierra 18-7859 fuel filter weighs 0.01 pounds.

Is the Sierra 18-7859 a genuine OEM part or aftermarket? The 18-7859 is a Sierra-brand replacement filter, manufactured as a cross-reference equivalent to the OEM numbers it replaces rather than an original manufacturer part.

How many filters come in one package? Each Sierra 18-7859 order includes one fuel filter.

Will this filter work with Mercruiser engines? Yes, the 18-7859 is listed as fitting all Mercruiser 224 CID engines.

Does the 18-7859 fit Ford engines? Yes, Sierra lists this filter as fitting Ford V-8 engines up to 400 HP.

What is the part number I need to order to make sure I get the right filter? The correct part number is Sierra 18-7859, also cross-referenced to 35-53336, 3302-9033, and 35-53336Q.

Is this filter used in a larger fuel filter assembly? The 18-7859 filter element is used as the filter component in the Sierra 18-7869 fuel filter assembly.