Crankshaft Main Bearing for Sea-Doo GTI LTD 155 1503 2011-2018

Crankshaft Main Bearing for Sea-Doo

This crankshaft main bearing is a direct replacement component for the 1503 engine used in Sea-Doo personal watercraft, designed to support the crankshaft and keep it rotating smoothly under load.

Overview

This crankshaft main bearing is built to replace worn or damaged bearings in the 1503 engine found in Sea-Doo watercraft. It supports the crankshaft inside the crankcase, reducing friction and maintaining proper alignment during operation. It is a practical service part for rebuilds, top-end jobs, or routine engine maintenance on 155 HP 1503-equipped models.

Built For Performance

• Precision-ground rolling elements for smooth crankshaft rotation
• Hardened steel construction for sustained high-RPM use
• Manufactured to match original bearing dimensions for drop-in fitment
• Resists heat build-up common in marine engine crankcases
• Sold individually so you can order the exact quantity your rebuild needs

Fits These Machines

• for Sea-Doo GTI LTD 155 with 1503 engine, model years 2011 through 2018
• for Sea-Doo GTI LTD 1503, model year 2014

On-The-Job Use

• Crankshaft rebuilds and bottom-end service on 1503 engines
• Replacing worn bearings identified during teardown inspection
• Routine maintenance on high-hour personal watercraft
• Engine overhaul projects on GTI LTD models

Specs At A Glance

Good To Know

Q: How many bearings do I need for a full rebuild? A: The quantity required depends on your specific 1503 engine configuration, so check your service manual for the exact count before ordering. This listing is for a single bearing unless otherwise stated.

Q: Can I install this bearing myself? A: Installation typically requires pressing tools and torque specifications specific to the 1503 crankshaft, so professional mechanical experience is recommended. Confirm bearing seating and clearance during assembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.