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For Your Every Summer RSVP, with Code: SUMMER15
Description
Used 21176-3777 SENSOR,BOOST [K604-059]PRODUCTS NAME Kawasaki ULTRA300X '12 OEM SENSOR,BOOST (21176 3777) Used [K604 059] PARTS TAKE FROM THIS MODEL PARTS NUMBER 21176 3777 PRODUCTS RANK This item is [ AB ] Rank SHIPPING AND RETURN 1. WORLDWIDE SHIPPING. (Except Japan) 2. Orders processed within 24 48 hours of payment verification. 3. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season. 4. If you
![Used 21176-3777 SENSOR,BOOST [K604-059] Used 21176-3777 SENSOR,BOOST [K604-059]](https://cdn.shopify.com/s/files/1/0570/4089/6194/products/K604-059_1.jpg?v=1632486290)
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Exchange/Return Notes
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4.7 ★★★★★
Based on 864 reviews
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Product Reviews
★★★★★ 5
Good purchase
Size: (Pack of 1)
Worked good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Great filter
Size: 7.5" x 8.7" x 1.4"
Fits perfectly in my vehicle. Installed it myself
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Excellent filter
Size: 7.5" x 8.7" x 1.4"
Perfect fit, installed easily and quickly, airflow arrow was provided, and product was well-made with high-quality materials. Box had a hole, but the filter was in a sealed plastic bag and was undamaged.
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Reviewed in the United States on August 25, 2025
★★★★★ 5
Works as expected in polluted phoenix AZ
Size: 7.5" x 8.7" x 1.4"
these work great for me and the dealr charges $60 to replace one
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Reviewed in the United States on April 26, 2026
★★★★★ 4
Needs modification to fit Lexus TX 350
Size: 7.5" x 8.7" x 1.4"
Does not have a proper fit on a 2024 Lexus TX 350 without some minor modification. The filter casing has a guide that it's supposed fall into one of the pleats like a notch, however, notice this filter has the white strips which I guess are added structural support. I simply cut the 2 strips on the pleat the guide falls into. The filter will not fall apart by doing this. It's a minor inconvenience that can be easily corrected yourself or simply find another filter that does not have anything blocking the pleats the entire width of the filter.
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Reviewed in the United States on January 26, 2026
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