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B&Q£25.73Visit shop B&Q - 7Pc Diesel Injector Seat Cutter / Cleaner Set Decarbonise Carbon Clean At863
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The AB Tools 7PC Diesel Injector Seat Cutter and Cleaner Set (AT863) is designed for professional mechanics and automotive enthusiasts tasked with reconditioning diesel engine fuel systems. Its primary benefit is providing the precision tools necessary to clean and decarbonize injector seats, which prevents dangerous combustion gas 'blow-back' and ensures a perfect seal for new or reconditioned injectors. While this kit is highly effective, it requires a high level of mechanical competence, and the manufacturer strongly recommends performing the work with the cylinder head removed to prevent metal debris from contaminating the combustion chamber.
| Model Part Number | AT863 |
|---|---|
| Brand | AB Tools |
No, it is highly recommended to use the included T-handle for manual operation to maintain control and prevent excessive material removal.
The set covers most common diesel car applications, but you should verify your specific injector seat dimensions against the included cutter sizes (15mm, 17mm, 19mm, 21mm) before starting.
Yes, for safety and to prevent engine damage, the manufacturer strongly recommends working with the cylinder head removed to avoid metal shavings entering the combustion chamber.
You should measure your existing injector seat diameter and determine the required angle (flat or angled) based on your engine manufacturer's specifications.
SKD11 is a high-carbon, high-chromium cold-work tool steel known for its exceptional wear resistance and durability, making it ideal for precision cutting tools.
Ensure the pilot post is fully seated and that you are using the correct diameter cutter. Verify the cutting teeth are free of debris.
Check that the pilot post is perfectly perpendicular to the seat and that you are applying even, steady downward pressure with the T-handle.
Before starting, ensure the engine is cool and the area around the injectors is completely clean of loose dirt. For best results, remove the cylinder head from the engine block; this prevents metal filings from falling into the combustion chamber where they could cause internal damage. After use, clean each cutter thoroughly with a degreaser, dry it completely, and apply a light coat of machine oil to prevent surface rust. Store the tools inside the provided blow-molded case in a dry, climate-controlled environment to maintain the integrity of the cutting edges.
