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🛠️ Cut Carbon, Not Corners — The Ultimate Diesel Injector Seat Solution
The SCITOO 10pcs Seat Cutter Diesel Injector Set is a professional-grade tool kit designed to clean and decarbonize diesel injector seats efficiently. Featuring 5 flat and 2 angled reamers, a pilot post, T-handle, and hex key, this durable set fits major automotive brands like BMW, Mercedes-Benz, Ford, PSA, and Renault. Made from high-grade carbon steel and engineering plastics, it ensures precision and longevity, backed by a 1-year warranty. Ideal for mechanics and diesel enthusiasts aiming for injector seat perfection.











| ASIN | B07HHVLWW4 |
| Best Sellers Rank | #1,286,543 in Automotive ( See Top 100 in Automotive ) #1,374 in Tool Sets (Automotive) |
| Brand | SCITOO |
| Brand Name | SCITOO |
| Customer Reviews | 4.1 out of 5 stars 30 Reviews |
| Included Components | No |
| Item Highlight | with Flat Reamer T-Handle Angled Reamer Hex Key |
| Item Type Name | tool |
| Item Weight | 4 pounds |
| Manufacturer | SCITOO |
| Manufacturer Part Number | 105435-5206-1338491681 |
| Model Number | 105435-5206-1338491681 |
| Number of Items | 1 |
| Set Name | Seat Cutter Diesel Injector Set |
| Unit Count | 10 Count |
| Warranty Description | 1 Year |
D**T
Works fine, at a great price (OM647 / T1N Sprinter)
Was skeptical due to the very low price - often, cheap machined tools are crap quality - but I'm quite happy with this. In case anyone is wondering like I was before I bought this, it fit my T1N Sprinter (2005)'s OM647 engine's injector bores just fine. Didn't exactly leave a mirror finish, but that's what a stick+glue+sandpaper are for :)
A**R
Good in a pinch...
So, the arbor that the reamers fit into isn’t exactly a precise fit, so the reamers don’t run concentric to the pilot on the tip of the arbor if the grub screw is cranked down all the way. In the Mercedes OM648 CDI application which is the 17mm flat face reamer (not the tapered one as the instructions suggest), it’s actually slightly less than 17mm. The sealing washer sits in a shallow counterbore at the bottom of the injector well to center it. The reamer will cut the top of the counterbore before cutting the seat. While this isn’t exactly ideal, if the seat actually needs reaming, the integrity of the counterbore is the least of your problems.
M**S
N47 BMW engine repair
Worked perfectly. Cleaned the seats for the injectors nicely. Put some grease (small amount) on the cutting face and it'll collect any carbon/metal and prevent it from dropping into the cylinder.
A**R
low quality
terrible quality. You can't make a clean cut with this... I'm returning it. I will not risk to damage the engine head with this tool
P**R
👍
👍
D**D
Item works great
Item worked great
J**H
Didn’t cut anything, used a dowel rod and sandpaper instead.
This might work for an aluminum head, but not for cast iron 7.3 idi. Couldn’t push hard enough under the hood to get it to bite. Maybe it would work if it was out and on an engine stand. Installed a magnet in the tip to catch shavings, but didn’t make any shavings to see if it worked. Too late for return, might sell it on eBay.
J**S
As descibed
Should do the job.
Trustpilot
2 weeks ago
1 month ago