Cylinder Cap FSM031 335154 335155 335148 for Johnson Evinrude 25-50 hp 1989-2003

Product Overview

Key Features & Performance

Fitment & Compatibility

Common Uses

Technical Specifications

Frequently Asked Questions

The Cylinder Cap FSM031 is a critical component for Johnson Evinrude outboard engines, sealing the cylinder head to maintain compression and prevent leaks. Designed for 25-50 hp models from 1989 to 2003, this cylinder cap ensures reliable engine performance during marine use. It directly replaces OEM part numbers 335154, 335155, and 335148.

• Precision-machined to OEM specifications
• Corrosion-resistant construction for marine environments
• Direct replacement for multiple OEM part numbers
• Ensures proper cylinder compression
• Easy installation with basic tools

• Johnson Evinrude 25 hp (1989-2003)
• Johnson Evinrude 30 hp (1989-2003)
• Johnson Evinrude 40 hp (1989-2003)
• Johnson Evinrude 50 hp (1989-2003)

• Replacement of worn or damaged cylinder caps
• Outboard engine rebuilds and repairs
• Maintenance of older two-stroke Johnson Evinrude engines

• Part Number(s): FSM031, 335154, 335155, 335148
• Application: Cylinder Head Cap
• Engine Type: Two-stroke Outboard

Q: Will this fit my 1992 Johnson 40 hp outboard? A: Yes, this cylinder cap is compatible with Johnson Evinrude 25-50 hp models from 1989 to 2003, including the 1992 40 hp.

Q: Do I need to replace the gasket when installing? A: It is recommended to use a new gasket to ensure a proper seal and prevent leaks.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.