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⚡ Tune up like a pro — power, precision, and performance in one kit!
The Ruma Adjustable GX390 Carburetor Kit is a premium, direct replacement for Honda GX390, GX340, and GX420 engines. This all-inclusive kit features an adjustable carburetor for precise idle control, a sediment bowl for enhanced fuel filtration, and comprehensive components including spark plug, air filter, fuel lines, and mounting hardware. Compatible with a wide range of power equipment like pressure washers and water pumps, it ensures reliable, long-lasting engine performance backed by a 1-year warranty and stellar customer reviews.
| ASIN | B098MDWTKY |
| Best Sellers Rank | #11,725 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #8 in Lawn Mower Tune Up Kits |
| Brand | Ruma |
| Brand Name | Ruma |
| Compatible with Vehicle Type | Honda GX390 GX340 engine and power equipment |
| Customer Reviews | 4.7 out of 5 stars 372 Reviews |
| Exterior Finish | Aluminum |
| Fuel Type | Gasoline |
| Included Components | Carburetor, air filter, insulator, spark plug,fuel line, fuel joint, gaskets, hardware and more |
| Item Dimensions D x W x H | 3.9"D x 3.9"W x 6.2"H |
| Item Highlight | Complete GX 340 GX 390 Carburetor Kit for Honda GX 390,GX 340,GX420, 389cc,338cc,420cc Engines/Clone, Pressure Washer & More |
| Item Weight | 1.4 pounds |
| Manufacturer | Ruma |
| Manufacturer Part Number | HD403 |
| Manufacturer Warranty Description | 1 year |
| Model Number | HD403 |
| Number of Items | 1 |
| OEM Equivalent Part Number | 16100-ZH8-W61 16100-ZF6-V01 16100-ZF6-V00,16100-ZF2-V00,16100-ZF2-V01, 16100-Z5T-901,16100-Z5T-922 |
| Product Dimensions | 3.9"D x 3.9"W x 6.2"H |
| Recommended Uses For Product | Fits Honda GX390 GX340 GX420 engine, pressure washer, water pump and other application |
| Specific Uses For Product | Fits Honda GX390 GX340 engine and power equipment |
| UPC | 747492774414 |
| Unit Count | 1 Count |
| Vehicle Service Type | Honda GX390 GX340 engine and power equipment |
N**S
great value carb. perfect for duromax 440
used this to replace a gummed up carb on my duromax 440cc engine in a golf cart. started up very easy and now it starts up right away and runs great. this carb in particular is great because it has a separate sediment bowl, and adjustable idle mixture screw. i was able to really dial in the idle speed and mixture to have a great idling golf cart
D**R
Works great
Just put this on a GX420 and it went from barely running back to full function. Took all of 10 minutes. I only replaced the carb so did not use any of the other items. Very happy. Hope it will last.
D**.
Great product good fit.
When you see that your power washer carburetor is extremely dirty from the outside and the foam filter just crumbles when you touch it don't bother analyzing the problem. I guarantee the carburetor is part of the issue your washer doesn't put out the RPMSit should. Buy the kit and no more worries. I installed my kit and I sustained the manufactured recommended RPM'S. PS. If you get confused on the gaskets takes photos or look up diagram on Google. For the fuel filter you need to remove fuel tank, which is easy.
A**R
Awesome tune up package
Swapped out the bad carburetor on a cfg h15r mini excavator. It deletes the choke pull, but that’s ok with me. Everything needed is in the box. Seems like a good “upgrade” from the factory junk carb so far. I like this package. Will prob buy again to have it for the next maintenance window.
B**N
Worked Well
Good kit selection but for some reason none of the gaskets matched the inside or engine side of the Honda motor. Had to use old gasket. Though was on a gas propane generator so maybe gasket was odd. Just use black gasket paste. Yet fired right up. Very good value.
W**S
Great carb kit.
Perfect fit for a Honda GX 390 on a 22 year old pressure washer. Started on the 2nd pull. Adjusted idle and away we go.
C**S
Great Service
I recoment this product
T**N
Worked perfect on the old Trail Boss
Put this on an old Trail Boss that would not start or run. Very easy exchange from the old to the new and the new carburetor fit perfect. Actually had more parts than I needed, but I used the carburetor the air filter and the spark plug. Turned the gas valve on and cranked it a couple of times and it was running perfect, for an Old trail Boss. The UTV had the Honda Engine and this was an exact fit. Price was very reasonable and they included a lot of parts if you need them.
M**C
Good product
Complete kit..
Trustpilot
3 weeks ago
1 month ago