Description
Includes: – Cylinder Sleeve
Fits Models: – Mercury Mariner
Model Years: – Check fitment before purchase
Submodels: – Common trims include 135 HP, 150 HP, 175 HP; applicable chassis codes may include various Optimax configurations.
Engine Options: – 2.5L Optimax (commonly associated with engine code LA172OB)
Description: This cylinder sleeve is designed for Mercury Mariner outboard motors with 135-175 HP, specifically those equipped with the 2.5L Optimax engine. It is engineered to restore engine performance and maintain optimal compression.
Features: – Precision-engineered for a factory-spec fit – Compatible with Mercury Mariner 135-175 HP models – Designed for 2.5L Optimax engines – Durable construction for long-lasting performance – Direct fitment for efficient engine rebuilds
Part Number: LA172OB+20








