What makes this ball joint 'heavy-duty'?

This kit replaces the original aluminum ball joint with a stronger steel case. Inside, a POM-M90 bearing cup isolates the ball end, which helps it last longer, especially under stress.

Does this kit include everything needed for one ball joint?

Yes, this kit is sold per A-arm and comes with the ball joint, snap ring, and cotter pin needed for one ball joint replacement.

Can I use this to replace a ball joint that's part of the A-arm?

Yes, this heavy-duty steel ball joint is designed as a replacement for applications where you might otherwise need to replace an entire A-arm or steering knuckle.

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Trusted Since 1957

Est. 1957

Specifications

Brand: QuadBoss
Part #: 401040
UPC: 401040

QuadBoss Heavy-Duty Ball Joint Kit

Name: QuadBoss Heavy-Duty Ball Joint Kit
Brand: QuadBoss
Price: 44.19 USD
Availability: InStock

$44.19

Only 1 left in stock

QuadBoss Heavy-Duty Ball Joint Kit. Upgrades OEM aluminum joints to strong steel for longer life.

Key Features

Fits many Yamaha and Suzuki ATV models.
Heavy-duty steel cases offer improved strength over OEM aluminum joints.
POM-M90 bearing cup isolates the ball end from the case for extended service life.
Sold per A-arm, includes snap ring and cotter pin for installation.

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Will this fit your vehicle?

Product Details

If you're looking to replace worn-out ball joints on your ATV, this QuadBoss Heavy-Duty Ball Joint Kit is a solid option. It's designed to fit a range of popular models, including the Yamaha Raptor and YFZ450, as well as the Suzuki QuadSport Z. This kit upgrades your suspension by replacing the original aluminum ball joint with a much stronger steel one, helping to prevent premature failure.

Inside the heavy-duty steel case, a POM-M90 bearing cup isolates the ball end. This design helps to extend the life of the ball joint, especially in demanding riding conditions. This kit is sold individually for one A-arm and includes the necessary snap ring and cotter pin for installation.