The 2014 Dodge Ram 1500 uses SAE 80w-90 fully synthetic gear oil its rear differential. The oil that is used must meet the standards set by mil-l-2105c and api gl 5. This likely means that You will need to purchase a premium type of oil, which can be found at some automotive parts and accessories locations. You will probably pay between $30 and $68 per quart of this special type of oil. If You choose to have it replaced by a service technician or professional mechanic, You are going to be looking at an additional $40 to $143 for labor.
Dale
March 12, 2022
Read your owner’s manual 75-140 for rear + 5 oz LSD additive for limited slip differential. Front is 75-85 transfer case is BW 44-44
Gary H.
September 15, 2020
My 2014 ram 1500 4x4 front differrential manual says 75/85 but dealer says special oil at $66 a qt . Which is wright?
Ricky D.
April 10, 2020
The dodge ram 1500 is recommended for the differential to use any gear oil sae 80w-90 gear oil that meets mil-l-2105c and api gl 5 quality specifications.
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