Superb KEIHIN OEM Carburetor 16100-Z5T-901 Genuine OEM Carb GX390 GX340 Quality Carb
Condition: New
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Sunday, Mar 29
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Brand: Keihin
Item Weight: 13 ounces
Package Dimensions: 4 x 4 x 3.5 inches
Date First Available: October 9, 2023
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Mar 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Worked right out of the box. Had a cheaper carb before this that didn’t last. Easy to install. Didn’t need adjustments.
Reviewed in the United States on September 18, 2025 by Amazon Customer
I made the mistake of buying a cheap Chinese knock-off and it never worked properly. The engine would stall out under a heavy load. This carburetor works the way it should. The engine runs great again.
Reviewed in the United States on April 15, 2025 by Pete T.
Bough a cheap one that just wouldn’t run right and was hard starting. This one worked great out of the box. You get what you pay for.
Reviewed in the United States on March 4, 2025 by Amazon Customer
There were NO Gaskets included with this carb! Had to reuse the old ones to get back on the road! Very disappointed! 1st OEM carb I have purchased, and No Gaskets! Carb worked great with the Old gaskets! Need to add to product description (NO GASKETS INCLUDED) Note: ALL aftermarket carbs I have purchased in the past came with gaskets !!!(just saying)
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Reviewed in the United States on February 16, 2026 by Amazon Customer maw
Easy install, worked well out of the box. Worth the price.
Reviewed in the United States on February 16, 2025 by Ron
Looks to be OEM, does come in a box Labeled with Honda tape, However I am disappointed that it did not come with a gasket to instal or a choke arm. So if you purchase this one and you need a new choke arm be sure to order one along with a gasket.
Reviewed in the United States on June 9, 2025 by Mitch
Bought for my son's go kart which has a Honda GX390. After going through 2 non-OEM carbs in 2 years due to pieces breaking off, I decided to spend a little more for this one and you can definitely tell the difference in quality and how the engine runs period. If you're in the same boat that I was, spend a little more now and I promise you will save a lot more time/money/grief in the long run.
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Reviewed in the United States on June 25, 2022 by Scott Van Hooser Scott Van Hooser
This carb. Was a perfect fit on my GX 340 pressure washer. Removed existing aftermarket carb. along with a new plug and a valve adjustment it now runs like it did 24yrs ago when brand new. It's worth every penny. BTW. 1st pull start.
Reviewed in the United States on April 20, 2024 by John John