Confirm this item fits

Add your vehicle to make sure this item fits and qualifies for free returns.

89mm 440cc Big Bore Cylinder for Honda Sportrax TRX400EX 99-08 OEM 12100-KCY-670

US $129.99/ea
or Best Offer
Condition:
New
More than 10 available180 sold
Bulk savings quantity 1
Bulk savings:
Buy 3 or more for 120.89 each one

Additional service available

Breathe easy. Free shipping and returns.
This one's trending. 180 have already sold.
Pickup:
Shipping:
Free Expedited Shipping.
Located in: San Antonio, Texas, United States
Delivery:
Estimated between Sat, Nov 29 and Wed, Dec 3 to 94104
Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared paymentcleared payment - opens in a new window or tab. Delivery times may vary, especially during peak periods.
Returns:
30 days returns. Seller pays for return shipping.
Payments:
       .
Earn up to 5x points when you use your eBay Mastercard®. Learn moreabout earning points with eBay Mastercard

Shop with confidence

Top Rated Plus
Top rated seller, fast shipping, and free returns. Learn more- Top Rated Plus - opens in a new window or tab
eBay Money Back Guarantee
Get the item you ordered or your money back. Learn moreeBay Money Back Guarantee - opens new window or tab
Seller assumes all responsibility for this listing.
eBay item number:283520945109
Last updated on Aug 27, 2025 22:34:28 PDTView all revisionsView all revisions

Compatibility

This part is compatible with 10 vehicle(s)
YearMakeModelSubmodelNotes
2008HondaSportrax 400TRX400EX 2x4
2007HondaSportrax 400TRX400EX 2x4
2006HondaSportrax 400TRX400EX 2x4
2005HondaSportrax 400TRX400EX 2x4
2004HondaSportrax 400TRX400EX 2x4
2003HondaSportrax 400TRX400EX 2x4
2002HondaSportrax 400TRX400EX 2x4
2001HondaSportrax 400TRX400EX 2x4
2000HondaSportrax 400TRX400EX 2x4
1999HondaSportrax 400TRX400EX 2x4
Portions of the information contained in this table have been provided by gpamotors

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Brand
GPA MOTORS
Warranty
1 Month
Custom Bundle
No
Manufacturer Part Number
12100-KCY-670
Modified Item
No
California Prop 65 Warning
Parts & Accessories may contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm. For more information go to https://www.p65warnings.ca.gov/
UPC
767550032454
Category

Item description from the seller

About this seller

GPA Motors

98.4% positive feedback6.8K items sold

Joined Apr 2019
ATV / UTV Specialists

Detailed seller ratings

Average for the last 12 months
Accurate description
4.7
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Seller feedback (1,079)

All ratingsselected
Positive
Neutral
Negative
  • *****- Feedback left by buyer.
    More than a year ago
    Verified purchase
    Have not used yet, but looks to be what I ordered. In good condition and as stated in the ad.
  • *****- Feedback left by buyer.
    Past year
    Verified purchase
    Great
  • *****- Feedback left by buyer.
    More than a year ago
    Verified purchase
    No issues! Super Fast shipping! Great quality! A++++
See all feedback
This is a private listing and your identity will not be disclosed to anyone except the seller.