Riffraff Diesel Injector Cup Bore Brush
The Injector Brush is a must have item in the toolbox of any 1994-2003 Ford 7.3L Powerstroke. The Injector Brush provides you with the proper tools to clean the injector bore and seat while installing new injectors and injector cups in your engine.
Details
- Cleans Injector Bore, Injector Seat, and Injector Cup Seat
- Fits 99-03 7.3L Powerstroke, CAT & Navistar Engines

21 Reviews Hide Reviews Show Reviews
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Cup Brush
Made in USA quality, really helped clean out the bore in the cylinder heads.
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Good for moderate duty use
I've read some reviews here that said these didn't work well, even after chucked up in a drill. All I have to say is, those folks must have had some pretty nasty buildup.
In my case, with 260,000+ miles on my 7.3L Powerstroke, the junk was minimal and these brushes did a great job of cleaning up the injector cups. At first I couldn't figure out what the second bush (not shaped like the cup) was for, but soon figured it out as I inspected each cup after brushing and discovered the bottom edge was still a bit gunky. -That- is what the second brush is for. It helps scrub the bottom interior of the cup, getting the inner edges nicely. I'm glad I got these before installing the new injectors. I had nice clean cups. -
Brush Kit
Good brushes, work well. Little expensive but then again I couldn't find something the correct shape anywhere else.
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Correct Tool for this Job
I didn’t want to do my cups twice. Brushes are pricy but give peace of mind that they are doing the exact task they were designed for, and will clean thoroughly without damaging the injector bore
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Quality brushes
Great brushes, since preparation is King! for proper sealing, they were a must, since that old compound was not easy to remove even with them,
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Expensive but high quality brushes
Worked for the job and should work for many more. Quality brush kit, although could've been a little lesser of a hit on the wallet
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Injector Cup Bore Brush Kit
These two brushes work well to clean out the bores in preparation for installing new injector cups. Used in conjunction with aerosolized brake cleaner, these brushes make bore cleaning easy.
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brush kit
Thank You
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Great tools!
This is a great set! It gets into all of the injector sleeves easy! I wasn't able to get everything off with them, I still had to use a scribe for some of the retaining compound left by the injector cups but these brushes made the job much easier and it also made it easy to ensure the sleeve was clean prior to installing the injector cups by simply wrapping an clean white t-shirt around it and sliding it in to check for oil. All in all, a great set that made the job much easier!






