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Our Products

Everything to keep your home warm and your vehicles running.

OK Petroleum is Long Island's leading home heating oil supplier — and a full marketplace of motor oil, antifreeze, chemicals, and auto supplies from the brands you trust.

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Browse our full range

Home heating oil delivery plus everything for your car, truck, and equipment — all in one place.

Home Delivery

Home Heating Oil

Clean, efficient heating oil delivered fast across Nassau & Suffolk. Order the exact gallons you need — from 50 to 500 — or set up automatic deliveries and never run out.

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Air Freshener 4 products Antifreeze 31 products Automotive Chemicals 39 products Detail Center 92 products Filters 84 products Fuel Treatment 76 products Grease 36 products Mopar Parts 39 products Motor Oil 336 products Refrigerant 17 products Snow Tools 2 products Tools 5 products Transmission Fluid 52 products Washer Fluid 9 products Wiper Blades 68 products
Motor Oil

Motor oil for every engine.

Motor oil keeps every part of your engine working together smoothly, pulls heat away from the combustion chamber, and stops carbon and varnish from building up. We stock a full range — conventional, synthetic blend, high-mileage, and full synthetic, plus ATF and gear oils — from the industry's most trusted names.

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Brands we carry
CastrolShellMobilMotorcraftQuaker StateCam2HondaToyotaAcdelcoPennzoilChevron
Antifreeze & Coolant

Coolant that protects year-round.

Antifreeze keeps your vehicle's fluids at the right temperature — stopping the radiator from freezing in the cold and boiling over in the heat, while lubricating the moving parts it touches. We carry 50/50 pre-mix, concentrate, and Dexcool formulas for every make and model.

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Brands we carry
PeakShellTexacoPridePrestone
Chemicals & Additives

Keep it running clean.

From carb and brake cleaners to penetrating sprays, starting fluid, fuel-injector treatments, and washer fluid — we stock the chemicals and additives that keep your vehicles reliable. Don't see what you need? Give us a call and we'll track it down.

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Brands we carry
BerkebileWd40GunkRainx
Trusted Brands

The names you know, in stock

We stock premium fuels, oils, and chemicals from the manufacturers professionals rely on.

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Catalog Motor oil, antifreeze, filters, chemicals & more View Catalog
Full Catalog

Hundreds of products, one supplier.

Browse our complete marketplace of motor oil, antifreeze, filters, chemicals, and more — then order online or pick up at one of our full-service stations across Long Island.

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BBB Accredited Business Accepted payment methods 40+ years family-owned · Serving all of Long Island