US PRO 5598 10 Piece Diesel Injector Seat Cutter Set

Correct injector seating is critical to diesel engine performance. Carbon build-up, corrosion and damaged seating surfaces can lead to injector blow-by, compression loss, poor starting and repeat repair work. The US PRO 5598 10 Piece Diesel Injector Seat Cutter Set is designed to help restore injector seats to the correct condition during injector replacement and servicing.

This comprehensive kit features Cr-Mo reamers engineered to clean and lightly reface common diesel injector seat sizes. By removing carbon deposits and minor surface imperfections, the cutters help ensure injectors seat squarely and seal correctly once refitted.

The set includes a centring pilot to guide the cutter accurately within the injector bore, along with a T-handle that provides controlled, even pressure during operation. This allows precise material removal while reducing the risk of misalignment or uneven cutting.

Ideal for professional workshops and experienced DIY users, the US PRO 5598 injector seat cutter set is suitable for a wide range of diesel engines and is an essential tool when carrying out injector replacement, seal renewal or cylinder head service work.

Key Features

• Designed for cleaning and refacing diesel injector seats

• Helps prevent injector blow-by and poor sealing

• Cr-Mo reamers for durability and consistent cutting

• Centring pilot ensures accurate alignment in injector bore

• T-handle provides controlled and even operation

• Suitable for workshop and advanced home mechanic use

Kit Contents

• 15mm × 19mm Flat Reamer

• 17mm × 17mm Angled Reamer

• 17mm × 17mm Flat Reamer

• 17mm × 19mm Flat Reamer

• 17mm × 21mm Angled Reamer

• 18mm × 21mm Flat Reamer

• 20mm × 21mm Flat Reamer

• T-Handle (135 × 160mm)

• Pilot Hex (19 × 170mm)

• 15.5 × 225mm Cutter

• 2.5mm Hex Key

Specifications

• Brand: US PRO

• Product Type: Diesel Injector Seat Cutter Set

• Set Size: 10 Piece

• Material: Chrome Molybdenum (Cr-Mo) reamers

• Application: Diesel injector seat cleaning and refacing