20% under what the other stores charge
Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
It checks today's price at every store, compares the alternatives and answers in about a minute.
Valvoline Dex/Merc is a one-gallon automatic transmission fluid formulated for older GM and Ford automatics that call for Dexron III or Mercon fluid. It is a conventional, licensed-style fluid aimed at older cars, trucks and vans rather than modern low-viscosity transmissions. Reviewers and mechanics use it for drain-and-fill service on aging vehicles, where its broad Dexron/Mercon coverage saves hunting for a specific fluid. It is not a substitute for newer Dexron VI, Mercon LV or CVT fluids, so check the owner's manual before buying.
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Lowest price we've seen: $24.97 on Nov 10 at Walmart. Tracked across 3 stores since Nov 10.
Owners and mechanics use it mainly for drain-and-fill service on older GM and Ford vehicles and report smooth shifting afterward. Complaints center on people buying it for transmissions that need newer fluids, and on the fact that the old Dexron III and Mercon licenses have lapsed.
