Ram Heavy Duty Forum
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Diff Fluid Weight
Both came up searching store.mopar.com for gear lubricant for a 2020 Ram 2500. Fitment for the 68449546AA oil lists 2019+ 2500 & 3500s. The 68210057AB oil lists 2013+ 2500 & 3500s. Missing the GL-5 label and seeing the catalog describing 6844956AA for ZF-ELSD axles adds to the confusion.- flatlander
- Post #17
- Forum: 4.5 Gen Powertrains
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F
Diff Fluid Weight
Mopar lists two gear oils for the 2019+ 2500 & 3500 axles. Part 68210057AB is labeled full synthetic GL-5 and needs the additive for limited slip differentials. Dealer sold me 68449546AA, which has the friction modifier for limited slip, but is not labeled GL-5 or even full synthetic. Is this...- flatlander
- Post #13
- Forum: 4.5 Gen Powertrains