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WSM Starter Kawasaki 1200 / 1500 '03-'24, PH100-KW04-R, 21163-3720, 21163-3721
WSM Starter Kawasaki 1200 / 1500 '03-'24, PH100-KW04-R, 21163-3720, 21163-3721
WSM Starter Kawasaki 1200 / 1500 '03-'24, PH100-KW04-R, 21163-3720, 21163-3721
WSM Starter Kawasaki 1200 / 1500 '03-'24, PH100-KW04-R, 21163-3720, 21163-3721
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WSM Starter Kawasaki 1200 / 1500 '03-'24, PH100-KW04-R, 21163-3720, 21163-3721

Marsoni M251S
Sale price$89.97
Pay 4 payments of $22.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
WSM Starter Kawasaki 1200 / 1500 '03-'24, PH100-KW04-R, 21163-3720, 21163-3721Item#: PH100 KW04 R Starter Kawasaki 1200 1500 03 24 OEM#: 21163 3720, 21163 3721 Brand: Protorque FITMENTS: Make Model Year(s) Kawasaki STX 1500 2009 2010 Kawasaki STX 160 1500 2020 2023 Kawasaki STX 160LX 1500 2020 2024 Kawasaki STX 160X 1500 2020 2023 Kawasaki STX 12F 1200 2003 2007 Kawasaki STX 15F 1500 2004 2019 Kawasaki SX R 1500 2017 2023 Kawasaki SX R 160 1500 2024 Kawasaki Ultra 160LX 1500 2023 2024 Kawasaki Ultra 160LX S 1500 2024 Kawasaki
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  • 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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 406 reviews
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Product Reviews
S
Verified Purchase
Sophia
Louisville, US
★★★★★ 5
Exact fit, no trimming needed
Style: One Piece
Ordered this for my Ford F-150 and it dropped right into the airbox perfectly — same dimensions as the OEM filter, same end seals, same fit. No gaps, no air bypass around the edges. Clean swap in under five minutes. Engine runs smooth and the price is unbeatable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
A
Verified Purchase
Amazon Customer
Boise, US
★★★★★ 5
very nice product
Style: Two Pieces
It fits perfectly. Easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
N
Verified Purchase
neelping
Omaha, US
★★★★★ 5
Good Product and Price.
Style: One Piece
Great filter, fits perfectly. Very close to OEM fit. I have 2015 Mercedes E350, fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
A
Verified Purchase
A. Kissee
Lexington, US
★★★★★ 5
Great plug
Style: Single
My car goes through these every 30,000 miles or so. But fantastic plug all around. Performs flawlessly even at almost 9000 rpm.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2015
E
Verified Purchase
Edward P Shih
Omaha, US
★★★★★ 5
Product as described, Works great.
Style: Single
Product as described, Works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2015

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