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OPTI-OIL
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This 12-pack of Opti-4 SAE 10W40 four-cycle oil (34-ounce bottles, part number 43141) provides heavy-duty protection for a wide range of small engines that require 10W-40 lubrication. The oil uses Opti’s proprietary eutectic additive technology to create a hardened, ultra-smooth surface on internal engine components, reducing wear and promoting cooler, more efficient operation. Its formula supports easier starting, lower oil consumption, and long-term corrosion resistance during off-season storage.
✅ Huge in-house inventory in Canada
✅ Experienced shipping team
✅ Split shipping available if needed**
✅ Most backorders filled within a week
✅ Everything shipped directly from Canada
* Full engines are excluded from flat rate shipping.
** Splitting shipments will incur additional shipping charges.
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OPTI-OIL® 1L OPTI-4 10W-40 12BX (43141-12)
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This 12-pack of Opti-4 SAE 10W40 four-cycle oil (34-ounce bottles, part number 43141) provides heavy-duty protection for a wide range of small engines that require 10W-40 lubrication. The oil uses Opti’s proprietary eutectic additive technology to create a hardened, ultra-smooth surface on internal engine components, reducing wear and promoting cooler, more efficient operation. Its formula supports easier starting, lower oil consumption, and long-term corrosion resistance during off-season storage.
