Check out the genuine 10-5055 from ACDelco!
- Dark yellow color for high visibility of the compound
- Wide range of applications in a variety of vehicles
- Quality grease used to mark ring gear teeth to determine contact points
$15.38 Original price was: $15.38.$10.77Current price is: $10.77.

Check out the genuine 10-5055 from ACDelco!
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D. Jones –
Product worked great for gear marking. Only reason for the four star rating is that the compound is really pricey considering the small amount you use to check gear engagement patterns.
Randtx –
Damaged in shipment so the paint was leaking out. But the paint itself is good for marking ring and pinion gear mesh 8
Kyle –
If your looking for yellow paint, instead of the blue, this is EXACTLY what your looking for.
Bookster –
A good sized tube of material for a fair price…
Tony D –
Works great!
Amazon Customer –
Works did the job well
JamesEub –
It’s decent gear marking compound and comes in a tube. it’s enough for many gear setups which is why i got it because i had to take my rear diff apart several times chasing a gear whine that’s not the rear diff. why so much for such a small tube?
Some Random Guy –
Much better photos than prussian blue to get feedback.