WSM Yamaha 450 YFZ 2004-2013 Engine Oil Seal Kit '04-'13, - 21-504

WSM Yamaha 450 YFZ 2004-2013 Engine Oil Seal Kit '04-'13, - 21-504

Marsoni

M251S

$28.00

Get it in 3 business days with 1 day shipping. Friday, May 29

WSM Yamaha 450 YFZ 2004-2013 Engine Oil Seal Kit '04-'13, - 21-504Yamaha 450 YFZ 2004 2013 Engine Oil Seal Kit Brand : WSM Item #: 21 504 Make Model CC HP Year Yamaha YFZ 450 2004 Yamaha YFZ 450 2005 Yamaha YFZ 450 2006 Yamaha YFZ 450 2007 Yamaha YFZ 450 2008 Yamaha YFZ 450 2009 Yamaha YFZ 450 2010 Yamaha YFZ 450 2011 Yamaha YFZ 450 2012 Yamaha YFZ 450 2013 Note: For more information on our policies please click the Shipping and Payments tab or to ask a question click our store name for our home page.

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This relay has experienced failure again after just a couple of months of use. It's not the mag coil that fails but rather the contacts are of such low quality that they corrode beyond their ability to conduct power, and fast. I have had to change two of these so far and am on the third one. The seller will ship replacements but who wants to keep replacing them? I have to travel in my RV with a spare. This relay has never been exposed to the elements. It's safely mounted inside a sealed bay. Be aware of any brands that look like this, they are all the same.

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Reviewed in the United States on November 15, 2025

Verified Purchase

Dave Kulina

Dallas, US

★★★★★ 5

Works great

I added extra batteries to run a truck camper without killing my main battery and this works great. Simple to install and i have no had any problems in the pay few months and i use it every single day

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Reviewed in the United States on April 18, 2021

Verified Purchase

Amazon Customer

Los Angeles, US

★★★★★ 5

Installed in my RV.

This product works well. It is somewhat difficult to mount. The contact points are a little too close together. These deficiencies are understandable given its low cost and small size.

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Reviewed in the United States on January 18, 2021

Verified Purchase

Kyle Seal

Bozeman, US

★★★★★ 5

Good quality

Used this to relocate my battery to the rear of my longbed truck, flexible and easy to work with

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Reviewed in the United States on March 23, 2026

Verified Purchase

J. McCoy