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⚙️ Clean injectors, cleaner rides — don’t let carbon slow you down!
The DAYUAN 17PC Diesel Injector Seat Cutter Cleaner Tool Set features 17 specialized cutters designed to remove carbon deposits and rust from diesel injector seats. Housed in a durable plastic case for easy organization and transport, this professional-grade kit ensures precise cleaning to optimize injector performance and extend engine life. Highly rated by users, it’s a must-have for any serious diesel maintenance toolkit.






| ASIN | B09ZTZ1YYJ |
| Best Sellers Rank | 4,067 in Automotive ( See Top 100 in Automotive ) 11 in Fuel System Tools |
| Brand | DAYUAN |
| Connector Type | Socket |
| Country of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 342 Reviews |
| Exterior Finish | Outer hexagon |
| Exterior finish | Outer hexagon |
| Global Trade Identification Number | 00754008750282 |
| Inlet Connection Type | Threaded |
| Inlet connection type | Threaded |
| Manufacturer | Yinyuan Tools |
| Material | Plastic |
| Model Number | 754008750282 |
| Number of Items | 21 |
| Number of Packs | 1 |
| Number of Pieces | 21 |
| Outlet Connection Size | 19 Millimeters |
| Outlet Connection Type | Threaded |
| Outlet connection size | 19 Millimeters |
| Outlet connection type | Threaded |
| Part Number | 99655 |
| Set Name | 17-Piece Diesel Injector Seat Cutter Cleaner Tool Set |
| Size | 17 pcs |
| Thread Size | 17 mm |
| Thread Type | Metric |
| UPC | 754008750282 |
| Unit Count | 1.0 count |
| Valve Type | Pinch Valve |
A**A
Good quality
Great tool for cleaning bores before installing injectors.
D**K
Good tool
good tool works well
M**C
Great buy
Worked great, mabee slightly blunt on the second injector seat cut but still does the job well , saved me a packet of dosh compared to a gar(b)age doing the job, , just make sure its nice and flat clean and shiney down that hole before you put a new copper washer in, then you can't go wrong, great bit of kit.
M**N
Perfect injector seats
Very impressed and very good value for money, although you may need to use some tape to allow for a perfect fit where the holder sits inside the injector recess
M**R
Good quality
Good peice of kit bought for my partner as he does all the mechanical bits. He said it worked like a Charm and was happy especially with all the extra add one
J**D
Good
Good service
J**T
Hmmmm
They need an internal thread in back of each cutter. The groove where safety screw bites need to be deeper. Was working on a golf and butter came off deep down in the hole. Had there been a thread in the back I could have lowered a bar with threaded end down and easily got it out. These are good just you should first grind the flat for the safety screw 4 mm deeper
M**E
Good quality and does the job easily.
Decent kit.. comprehensive cutters for many different engines..offer up cutting socket to the pulled injector to ensure right size and know if injector port base is domed or flat.. Does what it's meant to do in breaking up carbon deposits in port..
U**G
Outil très utile et efficace.
Produit conforme à la description, très utile et qui m'a permis d'économiser pas mal d'argent.
C**N
Strumenti per pulitura sede guarnizioni iniettori
Ottimo strumento necessario per fresatura sede guarnizioni iniettori!!!
T**Ä
Seems good.
Seems to be good quality, haven't use it yet.
R**G
Super!
Werkzeug ideal für Hobbyschrauber, gute Qualität und top Preis
S**Z
Caja Herramientas
Muy buenas y no ocupa mucho espacio y hace que quede todo ordenado.
Trustpilot
4 days ago
3 weeks ago