SPI Ball Joint for Lower A-Arm fits Ski-Doo 2017-2021 Replaces OEM # 505074009

SPI Ball Joint for Lower A-Arm for Ski-Doo

This SPI ball joint replaces the lower A-arm ball joint on Ski-Doo snowmobiles from 2017 to 2021, directly substituting OEM part number 505074009.

Overview

This SPI ball joint is a direct replacement for the lower A-arm on Ski-Doo models built between 2017 and 2021, providing a cost-effective alternative to the OEM 505074009 part. It restores proper suspension geometry and steering response. The ball joint is manufactured to meet or exceed original specifications.

Built For Performance

• Precision-machined ball stud for smooth articulation
• Dust boot protects against debris and moisture
• Heat-treated steel body for durability
• Direct fit without modification
• Corrosion-resistant coating

On-The-Job Use

• Snowmobile trail riding
• Off-trail and mountain riding
• Recreational snowmobiling
• Suspension maintenance and repair

Specs At A Glance

Good To Know

Q: Does this ball joint require special tools for installation? A: Installation typically requires a ball joint press or press tool; some models may allow removal with a pickle fork, but a press is recommended for proper seating.

Q: Is greasing required before installation? A: Most aftermarket ball joints come pre-lubricated, but it's advisable to apply a small amount of grease to the taper before pressing into the spindle.

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