★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
Yamaha 30 / 40 Hp 4-Stroke Water Pump Service Kit 725-421, 18-3490, 6BG-W0078-00
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Yamaha 30 / 40 Hp 4-Stroke Water Pump Service Kit 725-421, 18-3490, 6BG-W0078-00ITEM#: 725 421 WATER PUMP SERVICE KIT YAMAHA 30 40 HP 4 STROKE OEM#: 18 3490, 6BG W0078 00 00 BRAND: WSM FITMENTS: Make Model Year(s) Yamaha 3 Cyl 4 Stroke 30 2013 2021 Yamaha 3 Cyl 4 Stroke 40 2008 2021 Yamaha 3 Cyl Jet 4 Stroke 40 2008 2021
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 728 reviews
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Product Reviews
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026
★★★★★ 5
East
Easy to replace and great fit
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Perfect fit
Nice quality
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Reviewed in the United States on May 10, 2025
★★★★★ 5
Good OEM replacement for Honda Pilot
Size: 7.5" x 8.7" x 1.4"
Simple cabin filter for my wife’s Honda Pilot. It fits well in the cabin air filter drawer. This is of similar quality to the original Honda one; just cheaper. I’ve bought this for my Subaru and have been happy with it as well.
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Reviewed in the United States on April 9, 2026
