Welcome to 501Parts! Home of the Grabber Diff-Lock Kit!

Here you will find all the parts and advice needed to fix any and all problems with your Yamaha and Yamaha Clone 4wd system.  SHOP NOW


What we can do for you...

Here at 501 Parts, we specialize in your Yamaha 4wd system. From Diff Lock kits, to electrical parts, we carry every 4wd system related part that you will need to get all four wheels grabbing again. We offer free troubleshooting videos and service manuals, as well as savvy tech support. Our products ship fast and free and we stand behind each one. Save yourself some money! We’ll help you fix your  problem on your own without expensive shop repair costs.

The basics…

The 4wd system on your Yamaha ATV or Side by Side is operated by a push button switch that sends power to a relay, which in turn sends power to the servo motor, which engages your 2wd, 4wd, and difflock.  It’s easy to troubleshoot and repair these components without spending an arm and a leg.

If you are unfamiliar with the 4wd system, see our troubleshooting page.  It will help you identify, diagnose, and repair your 4wd issues as easy and inexpensive as possible.

Still unsure where to go from here? 

Step 1- See our troubleshooting page to identify your 4wd components and figure what went wrong.

Step 2- Found the problem or looking to upgrade? (click here for our products page) Having trouble? Contact us, we’ll help.

Give us a chance to serve you, our #1 goal is your satisfaction!

 See what our customers have to say!

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  1. john veysey (verified owner)

    Verified reviewVerified review - view originalExternal link

  2. tom (verified owner)

    Verified reviewVerified review - view originalExternal link

    Good factory parts. Not the cheap stuff.

    5EA-81950-20-00 Yamaha Relay

  3. Jason Gallant (verified owner)

    Verified reviewVerified review - view originalExternal link

    You were Verry helpful in diagnosing problems,

    Yamaha Push-button 4wd Switch

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