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โก Power up your gear with precision-fit performance!
The FitBest 640025 640017B Carburetor is a precision-engineered replacement part designed for Tecumseh 5.5HP and 6.5HP OHV engines, compatible with lawn mowers, snow blowers, and pressure washers. It replaces multiple OEM part numbers, includes a gasket for easy installation, and is built from corrosion-resistant materials to ensure long-lasting, reliable fuel delivery. Highly rated by users, it offers a seamless, durable upgrade for your outdoor power equipment.












| ASIN | B01DCWTB84 |
| Best Sellers Rank | #94,554 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #129 in Snow Blower Replacement Parts |
| Brand | FitBest |
| Brand Name | FitBest |
| Compatible with Vehicle Type | Lawn Mower, Pressure Washer, Snow Blower |
| Customer Reviews | 4.6 out of 5 stars 272 Reviews |
| Exterior Finish | Machined |
| Fuel Type | Gasoline |
| Included Components | 1 x carburetor, 1 x gasket |
| Item Dimensions D x W x H | 3"D x 3.2"W x 2.5"H |
| Item Part Number | 640017B 640014 640017 640117 |
| Item Type Name | Carburetor |
| Item Weight | 8 ounces |
| Manufacturer | FitBest |
| Manufacturer Part Number | DCWTB84 |
| Model Number | 640017B 640117 640117B 640104 |
| OEM Equivalent Part Number | 640004 640014 640135, 640017b 640017 640117, 640025 640025A 640025C |
| Product Dimensions | 3"D x 3.2"W x 2.5"H |
| Recommended Uses For Product | Lawn Mower |
| Specific Uses For Product | Lawn Mower |
| Vehicle Service Type | Lawn Mower, Pressure Washer, Snow Blower |
T**M
Great Value
This carburetor fit and worked perfectly. I am amazed for the price. It probably would have cost more to rebuild the old one.
K**L
Excellent fit!
I got this for my old chipper. It swapped in easily and worked fine.
J**Z
Nice fit
Worked just fine. Three pulls after install and the engine started. Replaced original rusted parts
A**S
Great replacement
Works great
K**K
Was delivered in a very timely manner
Excellent item exact fit
H**Y
Running
Quick and easy
S**E
Only buy if this is on a horizontal shaft engine
The fuel inlet barb is too long..3/8 longer than stock so it kinks the fuel line against the block of vertical shaft engines.
B**O
Very Surprised
Purchased this FitBest to replace the carb on a Tecumseh 5hp OHH50 engine. For the price, I wasn't really expecting it to be identical to the OEM one at $80, but was I wrong. Perfect fit. After a few pushes of the primer bulb and a few pulls, the engine was still not starting. A quick blast of starter fluid in the carb solved that quick. Engine fired and ran stronger than before. No fluctuations in RPMs. Ran it for about 20 minutes in both low and full-throttle settings, then shut it down. Waited for a few minutes, and started on first pull. Ran another several minutes, as I stood there and was in awe that I saved $65+. Time will tell.....
Trustpilot
2 months ago
3 weeks ago