Axle Shaft Leak
The inner axel seals that Dr Diff has on his web page are the exact same bottom shelf Duralast 8.75 inner axel seal that AutoZone sells.
The inner axel seal that you want has the National Seal brand.
In a side by side comparison the Dr Diff = Autozone Duralast inner axel seals were 1/3 lighter, about 1 ounce while the National brand inner axel seal is 1.5 ounce. The Dr Diff = Autozone Duralast inner axel seals are made with much thinner metal. The thinner metal can deflect and bend upon installation.
The photo below has the Dr Diff = Autozone Duralast inner axel seals on the left, that easily bent upon installation and the National brand inner axel seals on the right that installed without issue.
Dr Diff provides good service and info and parts, but the inner axel seals that he sells is not in the ‘good part’ category.
The inner axel seals that Dr Diff has on his web page are the exact same bottom shelf Duralast 8.75 inner axel seal that AutoZone sells.
The inner axel seal that you want has the National Seal brand.
In a side by side comparison the Dr Diff = Autozone Duralast inner axel seals were 1/3 lighter, about 1 ounce while the National brand inner axel seal is 1.5 ounce. The Dr Diff = Autozone Duralast inner axel seals are made with much thinner metal. The thinner metal can deflect and bend upon installation.
The photo below has the Dr Diff = Autozone Duralast inner axel seals on the left, that easily bent upon installation and the National brand inner axel seals on the right that installed without issue.
