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Review on Dorman 904-5301 Heavy Duty Diesel Exhaust πŸ”’ Fluid Cap: Compatible with Ford Models for Exceptional Performance by Jon Brazil

Revainrating 5 out of 5

Great for my 2018 GMC Canyon

My 2018 GMC Canyon makes exhaust fluid for diesel engines. It crystallized around the lid and occasionally dripped onto the side of my truck. The factory cover turned out to be faulty and I've seen other comments online from people having the same issue. The dealer couldn't/won't get me a new one and didn't seem too concerned about the DEF leak. It looks like this cap might fit, so I gave it a try. Works perfectly. There are no more leaks.

Pros
  • Trusted quality, backed by a team of product experts in the United States and over a century of automotive experience
Cons
  • No performance