Sierra, Oil 25W40 Engine Oil, Replaces Mercruiser and OMC

$7.25 to $1,268.42
$7.25 to $1,268.42
Sierra, Engine Oil in 25W40 is a 4 stroke oil formulated to provide excellent lubrication and corrosion protection and let stern drive and inboard engines operate under high load and running stresses. Sierra developed their 25W40 oil for the marine environment to out-perform standard 4-cycle automotive engine oils. Sierra's 25W-40 oil offers excellent detergency, anti-oxidant, anti-wear, and corrosion protection.

  • Reduced wear to the internal components
  • Protection of internal parts from corrosion
  • Cleaner pistons, and prevention of ring sticking
  • Excellent low temperature operating properties
  • Recommended for use in Mercruiser, OMC and Volvo Penta

Replaces Mercruiser numbers: 92-802837Q1 (Quart, 946ml), 92-857389A1 (5 Quart, 4.7 L), 92-802841A1 (55 Gallon, 208L).
Item #
Oil 25W40, 5 Quart, Replaces Merc 92-857389A1
Item #:532734-5qts
Size: 5 Quart
Oil 25W40, 1 Quart, Replaces Merc 92-857389A1
Item #:532734-Quart
Size: 1 Quart
25W40 Oil - 55 Gal <br><br>Oil 25W40, 55 Gallon, Replaces Merc 92-857389A1
Item #:532734-55gal
Size: 55 Gallon

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Question: How do I find engine parts for my boat's motor?

Answer: Use our SONAR engine parts finder tool. You can search by engine make, model, year or OEM part number. If you still can't find what you are looking for, give us a call 1-800-998-9508
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Returns are available within 30 days from the date you receive your order and items must be in new, resalable condition, in the manufacturer's original packaging. See Details