★★★★★ 5
Like A Glove
Size: 1" x 1" x 1"
Perfect fit for ‘26 Tundra.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
WSM Water Pump Service Kit Yamaha 40 / 50 Hp 3 Cyl '84-'91, 725-415, 18-3429
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Water Pump Service Kit Yamaha 40 / 50 Hp 3 Cyl '84-'91, 725-415, 18-3429Item#: 725 415 Water Pump Service Kit Yamaha 40 50 Hp 3 Cylinder 84 91 OEM#: 18 3429, 6H4 W0078 00 00, 6H4 W0078 01 00, 6H4 W0078 A0 00 Brand: WSM FITMENTS: Make Model Year(s) Yamaha 3 Cyl 2. 638 Bore 40 1984 1991 Yamaha 3 Cyl 2. 638 Bore 50 1984 1991 Yamaha 3 Cyl Jet 40 1991 Yamaha 3 Cyl Jet 50 1991
Quick Dispatch:
Your WSM Water Pump Service Kit Yamaha 40 / 50 Hp 3 Cyl '84-'91, 725-415, 18-3429 orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 2483 reviews
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Product Reviews
★★★★★ 1
Wrong size for Toyota tundra 2023
Size: 1" x 1" x 1"
Bought for 2023 Toyota tundra & it doesn’t fit. Completely wrong size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 5
Great quality and performance
Size: 1" x 1" x 1"
The quality of the filter is great and it is easy to installed in your car. Also, it helps to improve the performance of your vehicle, keep clean air flowing and avoid bad smells. What I love about it it’s the option to washed it and reuse it over an over.
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Reviewed in the United States on July 24, 2025
★★★★★ 5
Awesome product!
Size: 1" x 1" x 1"
Awesome product! Fit just as it should. A lot better then buying the replacement ones every time I do an oil change. I drive a mile of gravel roads everyday and this helps keep the dust from coming into the vehicle.
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Reviewed in the United States on January 3, 2026
★★★★★ 5
Perfect fit
This filter was a perfect fit on my 2024. CR V. I took the the old one out and this one just fell into place. I is good quality and was equal to or better than the Honda OEM
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
