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🏍️ Rebuild. Ride. Rule the Road with Confidence.
The MC-300 Fuel Check Valve Rebuild Kit is a high-quality repair solution designed for Harley-Davidson EFI systems from 2001 to 2022. Featuring durable stainless steel components and advanced FKM O-rings, it offers a 3x longer lifespan than standard kits. This easy-to-install kit restores fuel valve integrity, prevents leaks, and saves you costly replacements—perfect for the hands-on Harley enthusiast aiming to maintain peak performance.





| ASIN | B0CR7733Q9 |
| Best Sellers Rank | #280,824 in Automotive ( See Top 100 in Automotive ) #382 in Powersports Valve Parts |
| Brand | Creative.C |
| Brand Name | Creative.C |
| Customer Reviews | 4.5 out of 5 stars 215 Reviews |
| Exterior Finish | Nickel , Stainless Steel |
| Included Components | 1x Stainless nickel plated check valve ,2x Viton O-rings, 1xStainless steel spring |
| Inlet Connection Type | threaded |
| Item Type Name | Fuel Check Valve Rebuild Kit |
| Manufacturer | Creative.c |
| Manufacturer Part Number | Fuel Check Valve Rebuild Kit MC-300 |
| Manufacturer Warranty Description | 3 month |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | MC-300 |
| Number of Items | 4 |
| Number of Packs | 1 |
| Number of Pieces | 5 |
| Number of Ports | 2 |
| Outlet Connection Type | NPT |
| Set Name | MC-300 Fuel Check Valve Rebuild Kit |
| Thread Type | NPT |
| Unit Count | 1 Count |
| Valve Type | check valve |
R**K
Fits really good for the application I was working on
Worked very good for the application I was needing it for. Fairly priced and easy to install.
J**N
Worked great
Worked great for my 08 harley. Was able to stop my fuel leak. Fit just right. Not to hard to do either. Good price if you can do it yourself.
F**0
2,004 Heritage FLSTC I
I needed to pull the tank, and years of experience tells me when you have to pull your bike apart, that's the time to replace any relatively cheep parts that have a tendency to go bad. O-rings and gaskets are a perfect example of that. Your petcock has 2 O-rings and the line has 1. I would recommend buying this kit and an extra set of O-rings that include the small one for the line. I also recommend, when you install the new O-rings in the petcock, you install the lower (largest ring) first. This is so the deeper (inner most small ring) does not have to pass over the empty groove and risk barfing it up. So.... this lets it slip past the first groove with no risk of damage. A tiny bit of grease or oil helps the rings cooperate.
N**N
Did the job
Instructions aren't the best, but do some googling, parts do the job
M**.
Zero issues
I was worried from the comments that I was going to have to go get another oring so I had one in a kit that was the 14x10x2mm and when I installed it I had to take that one back out and use the one the kit provided the one people are recommending is to thick so the fuel line did not want to go in, I had the whole kit installed in minutes and got the bike back on the road with no leak
R**.
Fits perfectly and best price you can get
Perfect fit and great price!
R**E
Quick fix
Shipped Quickly and perfect fit
D**L
Okay product
Okay product
T**D
good quality
perfect
M**I
Cheaply made
That it’s cheap rubbish it broke first time I used it
D**N
Excelente
Bueno
F**A
Tu nos conformes
Bom produto.
P**P
Klappt nur bei neuen Ventildichtungen .
Kauf lohnt nicht . Die meisten dichtringe sind ausgehärtet und lassen sich nicht lösen (hart wie stein) . Es muss 90 % das ganze ventil Neu . Sorry.
Trustpilot
1 month ago
1 month ago