E-cowlboy Injector Brush Kit – Sleeve, Cup & Bore Cleaning for Ford Powerstroke, Caterpillar & Navistar (2 PCS)

Precision injector cleaning, made simple

Meet the E-cowlboy Injector Sleeve Cup Bore Cleaning Brush Kit, a compact 2 piece set designed to tackle carbon deposits, rust, and debris in a range of diesel engines. Built to fit Ford Powerstroke models across years, as well as Caterpillar, Navistar, MaxxForce, GM/Chevrolet, Dodge Cummins, John Deere HPCR, and Isuzu HPCR applications, this kit is a versatile addition to any shop or home garage.

Constructed from premium stainless steel, the brushes resist wear and corrosion, while the ABS handle provides a stable, comfortable grip during longer cleaning sessions. The design is aimed at cleaning injector sleeves, seats, bores, and cups without scratching or marring delicate surfaces. The result is surfaces that look clean and feel polished, which can help ensure proper seating and sealing when reinstalling parts.

What’s inside and how it helps

• Great Compatibility — Fit for Ford 4.5L LCF 6.0L 6.4L 6.7L 7.3L Powerstroke; Caterpillar 3126 C7 C9; Navistar T444E DT466 VT365 VT275; MaxxForce 5/7/DT/9/10/N9/N10; GM/Chevrolet 6.6L; Dodge Cummins 5.9L 6.7L; John Deere HPCR; Isuzu HPCR
• Superior Quality — Premium wear‑resistant stainless steel, anti‑corrosion and rust resistance; ABS handle for a stable grip; longer service life
• Upgrade Design — Removes carbon deposits, rust, and debris from injector seats, bores, and cups without surface damage; surfaces are cleaned and polished to help ensure seating and sealing

• Special Features — Includes 1 stainless steel spiral tube brush and 1 stainless steel flat bottom brush for comprehensive cleaning
• 100% Satisfaction Guarantee — 30‑day returns with a 12‑month warranty from E‑cowlboy for confident purchase

Real‑world use cases include preparing injector ports during maintenance, cleaning seats and cups after removal, and simplifying reassembly with cleaner, better‑seating surfaces. While results can vary by engine and condition, many users find the kit helps reduce stubborn buildup and speeds up routine injector care without introducing new hazards. The kit is designed to be a reliable, long‑lasting tool in a diesel maintenance repertoire.