Head O-Ring for Mercury/Mariner 200-300 HP (505-51)

Includes: - Head O-Ring

Fits Models: - Mercury: 200 HP, 225 HP, 250 HP, 300 HP - Mariner: 200 HP, 225 HP, 250 HP, 300 HP

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - Common engine sizes: 3.0L V6, 3.2L V6, 3.4L V6 - Engine codes: 2.5L, 3.0L, 3.2L

Description: This Head O-Ring is designed for Mercury and Mariner outboard motors ranging from 200 to 300 horsepower. It ensures a proper seal between the cylinder head and the engine block, preventing leaks and maintaining optimal engine performance.

Features: - Heavy-duty material for durability - Precision-engineered for a direct replacement fit - Designed to withstand high temperatures and pressures - Essential for maintaining engine integrity - Compatible with various Mercury and Mariner outboard models

Part Number: 505-51