Advanced Marine Engine Protection - Premium Filtration for Mercury 4-Stroke Outboards

Maintain peak engine performance and extend engine life with the Sierra 18-7758 marine oil filter, specifically engineered for Mercury 4-stroke outboard engines. This premium-grade oil filter features high-efficiency filtration media and marine-specific corrosion protection, delivering superior engine protection in the demanding marine environment while ensuring optimal oil flow and filtration performance.

Marine-Specific Engineering

The Sierra 18-7758 is constructed with premium grade materials specifically designed to excel in the extreme marine environment. The heavy-wall steel canister with epoxy coating provides superior corrosion resistance, while the high-efficiency filter media meets or exceeds OEM filtration standards for reliable engine protection season after season.

Mercury Engine Compatibility

Professional-Grade Features

• High-Efficiency Filter Media: Meets or exceeds OEM filtration requirements
• Epoxy Coating: Advanced corrosion resistance for marine environments
• Heavy-Wall Steel Canister: Enhanced durability and corrosion protection
• 22mm x 1.5 Thread: Precise OEM thread specification for proper fit
• Marine-Grade Construction: Engineered for extreme marine conditions
• Premium Materials: Superior quality components for extended service life

Technical Specifications

• Thread Specification: 22mm x 1.5
• Filter Media: High-efficiency synthetic blend
• Canister Material: Heavy-wall steel with epoxy coating
• Operating Environment: Marine saltwater and freshwater
• Temperature Rating: Designed for marine engine operating temperatures
• Filtration Efficiency: Meets or exceeds OEM standards

Cross-Reference Compatibility

The Sierra 18-7758 cross-references with multiple manufacturer part numbers for convenient ordering and service applications:

• Mercury Marine: 35-877761K01, 35-877761Q01
• Mallory: 9-57822
• Lubrifiner: PH820
• Sierra Alternatives: SIE 7758, 30-0928, 30-0929

Engine Protection Benefits

Regular oil filter replacement with the Sierra 18-7758 ensures optimal engine lubrication by removing contaminants that can cause premature engine wear. The high-efficiency filter media captures harmful particles while maintaining proper oil flow, protecting critical engine components including bearings, pistons, and valve train components.

Marine Environment Durability

The marine environment presents unique challenges including saltwater corrosion, temperature extremes, and vibration. The Sierra 18-7758 addresses these challenges with specialized materials and construction techniques that ensure reliable performance throughout extended marine use.

Professional Service Intervals

Follow Mercury's recommended service intervals for oil and filter changes to maintain optimal engine performance and warranty coverage. Regular maintenance with quality components like the Sierra 18-7758 ensures maximum engine life and reliability.

Protect your Mercury outboard investment with premium filtration technology designed for marine excellence. The Sierra 18-7758 Oil Filter - where superior protection meets proven reliability.