ENGINE OILS
Schaeffer's engine oils will maximize your engine's performance!
Are you looking to take your engine's performance to new heights? Look no further than Schaeffer's engine oils. Engineered with superior protection in mind, Schaeffer’s products are designed to deliver unparalleled wear protection and fuel economy benefits for your vehicle.
The secret lies in their proprietary friction modifiers, Micron Moly® and Penetro®, which work tirelessly to reduce friction and wear within your engine. By minimizing these detrimental forces, your engine will run smoother, more efficiently, and with greater longevity.
But the benefits don't stop there. Schaeffer's engine oils can also help you save money on your bottom line. How, you ask? By improving your fuel economy, you'll spend less on fuel, allowing you to redirect those savings towards other important expenses.
With nearly 300 items available, you're sure to find the perfect Schaeffer's engine oil for your vehicle. Browse our comprehensive product listings to discover the specific details and additional benefits of each formulation. Or, if you prefer, use our convenient search bar to find exactly what you need.
Don't settle for anything less than the best for your engine. Upgrade to Schaeffer's engine oils and experience the difference for yourself. Your engine will thank you, and so will your wallet.
Here are some real reviews from our customers:
"The greatest oil. You have formulated something that is incomparable to all other oils on the market today. I thank you for the added protection that all your oils provide. It's the cheapest insurance I have ever came across." Chad P.
"Supreme 9000 5W-30. This is a great product!! I use this oil in my pickup and it is well worth the extra cost, very good product!!!" Gary C.
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- Quantity
- Price
- Subtotal
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Schaeffer 6025 SynShield® HYBRID Flex Performance 0W-20 | 12-QC
Schaeffer Mfg Co.
$177.84Schaeffer's 6025 SynShield® HYBRID Flex Performance Full Synthetic 0W-20 (12-Quarts) Hybrid$177.84 -
Schaeffer 6075 SynShield® HIGH MILEAGE Synthetic 5W-30 | 12-QC
Schaeffer Mfg Co.
$172.53Schaeffer's 6075 SynShield® HIGH MILEAGE Performance Full Synthetic 5W-30 (12-Quarts)Â$172.53 -
Schaeffer 6050 SynShield® HYBRID Flex Performance 5W-30 | 12-QC
Schaeffer Mfg Co.
$177.84Schaeffer's 6050 SynShield® HYBRID Flex Performance Full Synthetic 5W-30 (12-Quarts) Hybrid engines operate under lubrication conditions that did$177.84 -
Schaeffer 9000-003 SynShield OTR Plus Full Syn 5W-40 | 2X2.5GC
Schaeffer Mfg Co.
$266.60Schaeffer's 9000 SynShield® OTR Plus Full Synthetic CK-4 5W-40 (2X2.5-Gallon Case) You put serious miles on your engine. You need oil that can keep up — and keep your engine p$266.60 -
Schaeffer 6520-005 SynShield All Performance Synthetic 5W-20 | 5-G
Schaeffer Mfg Co.
$273.30Schaeffer's 6520 SynShield All Performance Synthetic Gasoline Engine Oil 5W-20 (5 Gallons)Â$273.30 -
Schaeffer 6520-006 SynShield All Performance Synthetic 5W-20 | 6-GC
Schaeffer Mfg Co.
$306.15Schaeffer's 6520 SynShield All Performance Synthetic Gasoline Engine Oil 5W-20 (6 Gallons)Â$306.15 -
Schaeffer 6520-012 SynShield All Performance Synthetic 5W-20 | 12-QC
Schaeffer Mfg Co.
$169.53Schaeffer's 6520 SynShield All Performance Synthetic Gasoline Engine Oil 5W-20 (12 Quarts)Â$169.53 -
Schaeffer 6020-006 SynShield All Performance Synthetic 0W-20 | 6-GC
Schaeffer Mfg Co.
$306.15Schaeffer's 6020 SynShield All Performance Synthetic Gasoline Engine Oil 0W-20 (6 Gallons)Â$306.15 -
Schaeffer 6020-005 SynShield All Performance Synthetic 0W-20 | 5-G
Schaeffer Mfg Co.
$273.30Schaeffer's 6020 SynShield All Performance Synthetic Gasoline Engine Oil 0W-20 (5 Gallons)Â$273.30 -
Schaeffer 6020-012 SynShield All Performance Synthetic 0W-20 | 12-QC
Schaeffer Mfg Co.
$169.53Schaeffer's 6020 SynShield All Performance Synthetic Gasoline Engine Oil 0W-20 (12 Quarts)Â$169.53 -
Schaeffer's 4030-012 SynShield Classic Performance 10W-30 | 12-QC
Schaeffer Mfg Co.
$159.79Schaeffer's 4030 SynShield® Classic Performance Synthetic Plus 10W-30 (12 Quarts) Not every engine needs$159.79 -
Schaeffer's 4530-012 SynShield Classic Performance 5W-30 | 12-QC
Schaeffer Mfg Co.
$159.79Schaeffer's 4530 SynShield® Classic Performance Synthetic Plus 5W-30 (12 Quarts) Not every engine needs$159.79 -
Schaeffer's 4030-005 SynShield Classic Performance 10W-30 | 5-G
Schaeffer Mfg Co.
$238.65 Schaeffer's 4030 SynShield® Classic Performance Synthetic Plu$238.65 -
Schaeffer's 4530-005 SynShield Classic Performance 5W-30 | 5-G
Schaeffer Mfg Co.
$238.65Schaeffer's 4530 SynShield® Classic Performance Synthetic Plus 5W-30 (5 Gallons) Not every engine needs a full synthetic$238.65 -
Schaeffer 6530-012 SynShield All Performance Synthetic 5W-30 | 12-QC
Schaeffer Mfg Co.
$169.53Schaeffer's 6530 SynShield All Performance Synthetic Gasoline Engine Oil 5W-30 (12 Quarts)Â$169.53 -
Schaeffer 6530-006 SynShield All Performance Synthetic 5W-30 | 6-GC
Schaeffer Mfg Co.
$306.15Schaeffer's 6530 SynShield All Performance Synthetic Gasoline Engine Oil 5W-30 (6 Gallon Case)$306.15 -
Schaeffer 6530-005 SynShield All Performance Synthetic 5W-30 | 5-G
Schaeffer Mfg Co.
$273.30Schaeffer's 6530 SynShield All Performance Synthetic Gasoline Engine Oil 5W-30 (5 Gallons)Â$273.30 -
Schaeffer 9016-012 Supreme 9000 Synthetic 0W-16 | 12-QTS
Schaeffer Mfg Co.
$176.40Schaeffer's 9016 Supreme 9000 Full Synthetic Gasoline Engine Oil 0W-16 (12-Quarts) is specially engineered with the finest quality synthetic base oils and proven fri$176.40 -
Schaeffer 9020-012 Advanced Light Duty Diesel 0W-20 | 12-QTS
Schaeffer Mfg Co.
$189.24Schaeffer's 9020 Advanced Light Duty Diesel Performance 0W-20 (12-Quarts) is a premium quality full synthetic, multi-grade engine oil that is specifically formulated and suitable for use in v$189.24 -
Schaeffer’s 9020-005 Advanced Light Duty Diesel 0W-20 | 5-G
Schaeffer Mfg Co.
$289.96Schaeffer's 9020Â Advanced Light Duty Diesel Performance 0W-20 (5-Gallons)Â is a premium quality full synthetic, multi-grade engine oil that is specifically formulated and suitable for use$289.96 -
Schaeffer 671 Supreme DD Diesel Oil SAE 40 | 5-G
Schaeffer Mfg Co.
$252.15Schaeffer's 671 Supreme 2-Stroke DD Diesel Engine Oil SAE 40 (5-Gallons)Â is a super high-performance, para-synthetic, monograde, diesel engine oil for use in 2-stroke and 4-stroke diesel engines...$252.15 -
Schaeffer 171-012 Micron Moly Racing 10W-30 | 12-QTS
Schaeffer Mfg Co.
$159.97Schaeffer's 171 Micron Moly Racing Engine Oil SAE 10W-30Â (12-Quarts)Â is a superior quality, high zinc multi-grade engine oil. It is specially formula$159.97 -
Schaeffer 171-005 Micron Moly Racing 10W-30 | 5-G
Schaeffer Mfg Co.
$252.35Schaeffer's 171 Micron Moly Racing Engine Oil SAE 10W-30Â (5-Gallons)Â is a superior quality, high zinc multi-grade engine oil. It is specially formula$252.35 -
Schaeffer 700-003 SynShield Durability Advantage 15W-40 | 2x2.5-GC
Schaeffer Mfg Co.
$225.76Schaeffer's 700 SynShield® Durability Advantage Diesel Engine Oil 15W-40 (2x2.5-Gallon Case)Â$225.76 -
Schaeffer 5540 Extreme Marine 4-Stroke I/O 20W-40 | 12-QTS
Schaeffer Mfg Co.
$207.98Schaeffer's 5540 Extreme Marine 4-Stroke Inboard Outboard 20W-40 (12-Quart Case)Â This is a premium quality, multi-grade 20W-40Â FULL SYNTHETICÂ engine oil$207.98 -
Schaeffer 5530 Extreme Marine 4-Stroke I/O 10W-30 | 12-QTS
Schaeffer Mfg Co.
$207.98Schaeffer's 5530 Extreme Marine 4-Stroke Inboard Outboard 10W-30 (12-Quart Case)Â This is a premium quality, multi-grade 10W-30 FULL S$207.98 -
Schaeffer's 108 Break-In Oil SAE 30 | 5-G
Schaeffer Mfg Co.
$236.15Schaeffer's 108 Break-In Oil SAE 30Â is a fully formulated, balanced, high zinc engine oil. This Break-In oil contains 1650-2250ppm of Zinc and 1650-2250ppm of Phosphorus.$236.15 -
Schaeffer's 9046 2-Cycle Outdoor Power Equipment Oil | 12-QTS
Schaeffer Mfg Co.
$285.96Schaeffer's 9046 2-Cycle Outdoor Power Equipment Engine Oil (12-Quarts)Â is a premium ashless, full synthetic, 2-cycle (2-stroke) engine oil that is specifically formulated for use in carbureted,...$285.96 -
Schaeffer's 110-012 Micron Moly Racing SAE 30, 40, 50 or 70 | 12-QTS
Schaeffer Mfg Co.
$154.85 - $162.46Schaeffer's 110 Micron Moly Racing Oil SAE 30, 40, 50 or 70 (12-Quart Case)Â is a superior quality, straight grade, high zinc racing engine oil that is specially formulated to reduce friction and wear...$154.85 - $162.46 -
Schaeffer's 110-005 Micron Moly Racing SAE 30, 40, 50 or 70 | 5-G
Schaeffer Mfg Co.
$229.80 - $258.41Schaeffer's 110 Micron Moly Racing Oil SAE 30, 40, 50 or 70 (5-Gallons)Â is a superior quality, straight grade, high zinc racing engine oil that is specially formulated to reduce friction and wear.$229.80 - $258.41 -
Schaeffer 9000-012 SynShield OTR Plus Full Syn 5W-40 | 12-QTS
Schaeffer Mfg Co.
$172.96Schaeffer's 9000 SynShield® OTR Plus Full Synthetic CK-4 5W-40 (12-Quarts) You put serious miles on your engine. You need oil that can$172.96 -
Schaeffer 9000-005 SynShield OTR Plus Full Syn 5W-40 | 5-G
Schaeffer Mfg Co.
$262.83Schaeffer's 9000 SynShield® OTR Plus Full Synthetic CK-4 5W-40 (5-Gallons) You put serious miles on your engine. You need oil that can keep up — and keep your engine pro$262.83 -
Schaeffer 9000-006 SynShield OTR Plus Full Syn 5W-40 | 6-GC
Schaeffer Mfg Co.
$310.28Schaeffer's 9000 SynShield® OTR Plus Full Synthetic CK-4 5W-40 (6-Gallons) You put serious miles on your engine. You need oil that can keep up — and keep your engi$310.28 -
Schaeffer's 147 Steam Cylinder Oil | 5-G
Schaeffer Mfg Co.
$230.95Schaeffer's 147 Steam Cylinder Oil (5-Gallons)Â is an extra high performance, high viscosity, extr$230.95 -
Schaeffer's 9040-005 Supreme 9000 Synthetic 0W-40 | 5-G
Schaeffer Mfg Co.
$289.96This item is out of stock until approx. 9/15/26 New specifications coming.$289.96Qty in Cart: 0Quantity:Price:$289.96Subtotal: -
Schaeffer 1145W30 Synthetic Plus CNG 5W-30 | 5-G
Schaeffer Mfg Co.
$322.50Schaeffer's 1145W30 Synthetic Plus CNG Engine Oil 5W-30 (5-Gallons)Â A superior low ash, para-syn$322.50 -
Schaeffer's 9040-012 Supreme 9000 Synthetic 0W-40 | 12-QTS
Schaeffer Mfg Co.
$188.65Â This item is out of stock until approx. 9/15/26 New specifications coming.$188.65Qty in Cart: 0Quantity:Price:$188.65Subtotal: -
Schaeffer 6000-006 SynShield® Max MPG 10W-30 FA-4 | 6-GC
Schaeffer Mfg Co.
$310.28Schaeffer's 6000 SynShield® Max MPG Diesel Engine Oil SAE10W-30 FA-4 (6-Gallons) is a premium, advanced performance, synthetic plus, heavy-duty diesel engine oil. It is sp$310.28 -
Schaeffer's 722-012 SynShield Ultra Performance 10W-30 | 12-QTS
Schaeffer Mfg Co.
$159.88Schaeffer's 722 SynShield® Ultra Performance Diesel Engine Oil SAE 10W-30 CK-4 (12-Quarts) is a premium, advanced performance, synthetic plus, heavy-duty engine oil. It is formulated to provide maxi$159.88 -
Schaeffer's 722-005 SynShield Ultra Performance 10W-30 | 5-G
Schaeffer Mfg Co.
$223.74Schaeffer's 722 SynShield® Ultra Performance Diesel Engine Oil SAE 10W-30 CK-4 (5-Gallons) is a premium, advanced performance, synthetic plus, heavy-duty engine oil. It is$223.74Qty in Cart: 0Quantity:Price:$223.74Subtotal: -
Schaeffer 700-005 SynShield Durability Advantage 15W-40 | 5-G
Schaeffer Mfg Co.
$223.74Schaeffer's 700 SynShield® Durability Advantage Diesel Engine Oil 15W-40 (5-Gallons)Â$223.74 -
Schaeffer 700-006 SynShield Durability Advantage 15W-40 | 6-GC
Schaeffer Mfg Co.
$272.62 Schaeffer's 700 SynShield® Durability Advantage Diesel Engine Oil 15W-40 (6-Gallons) Tired of engine oils that can’t keep up with the relentless d$272.62 -
Schaeffer's 722-006 SynShield Ultra Performance 10W-30 | 6-GC
Schaeffer Mfg Co.
$272.62Schaeffer's 722 SynShield® Ultra Performance Diesel Engine Oil SAE 10W-30 CK-4 (6-Gallons) is a premium, advanced performance, synthetic plus, heavy-duty engine oil. It is$272.62 -
Schaeffer's 8008-012 European Performance Mid SAPS 5W-30 | 12-QTS
Schaeffer Mfg Co.
$189.98Schaeffer's 8008 Advanced European Performance Mid SAPs SAE 5W-30 (12-Quarts)Â is designed to meet the specific performance requirements of European vehicles. Blended from a unique combination of full...$189.98 -
Schaeffer's 8008-005 European Performance Mid SAPS 5W-30 | 5-G
Schaeffer Mfg Co.
$289.23Schaeffer's 8008 Advanced European Performance Mid SAPs SAE 5W-30 (5-Gallons)Â is designed to meet the specific performance requirements of European vehicles. Blended from a unique combination of full...$289.23 -
Schaeffer's 9012-006 SynShield OTR Plus Synthetic 10W-30 | 6-GC
Schaeffer Mfg Co.
$310.28Schaeffer's 9012 SynShield OTRÂ Plus SAE 10W-30 CK-4Â (6-Gallons)Â is a full synthetic, premium quality, heavy-d$310.28 -
Schaeffer’s 8007-005 European Performance Full SAPS 5W-30 | 5-G
Schaeffer Mfg Co.
$289.23Schaeffer’s 8007 Advanced European Performance Full SAPS SAE 5W-30 (5-Gallons) oils are designed to meet the specific performance requirements of European vehicles. Blended from a unique combination...$289.23 -
Schaeffer's 8007-012 European Performance Full SAPS 5W-30 | 12-QTS
Schaeffer Mfg Co.
$189.98Schaeffer’s 8007 Advanced European Performance Full SAPS SAE 5W-30 (12-Quarts) oils are designed to meet the specific performance requirements of European vehicles. Blended from a unique combination...$189.98 -
Schaeffer 9006-006 Supreme 9000 Synthetic Racing 2-Cycle | 6-GC
Schaeffer Mfg Co.
$564.95Schaeffer’s 9006 Supreme 9000 Full Synthetic 2-Cycle Racing Oil (6-Gallons) is a premium, top tier, ashless, 2-cycle engine oil. It is designed for use in carbureted, electronic fuel injected (EFI)...$564.95 -
Schaeffer's 709-006 Supreme 7000 Syn Plus Racing 10W-30 | 6-GC
Schaeffer Mfg Co.
$343.82Schaeffer's 709 Supreme 7000 Synthetic Plus Racing Engine Oil SAE 10W-30 (6-Gallons)Â Â is a premium quality high zinc, multi-grade parasynthetic engine oil that is specially formulated to reduce...$343.82 -
Schaeffer 711-006 SynShield OTR Plus 10W-30 | 6-GC
Schaeffer Mfg Co.
$272.62 Schaeffer’s 711 SynShield® OTR Plus Diesel Engine Oil SAE 10W-30 (6-Gallons)Â$272.62 -
Schaeffer 708-006 Supreme 7000 Synthetic Plus Racing 15W-40 | 6-GC
Schaeffer Mfg Co.
$315.87Schaeffer's 708 Supreme 7000 Synthetic Plus Racing Engine Oil SAE 15W-40 (6-Gallons)Â is a premium quality high zinc, multi-grade parasy$315.87 -
Schaeffer's 702 Supreme 7000 Synthetic Plus SAE 30 | 5-G
Schaeffer Mfg Co.
$245.90Schaeffer's 702 Supreme 7000™ Synthetic Plus Engine Oil SAE 30 (5-Gallons) is blended from a combination of polyalphaolefin (PAO) synthetic based fluids and hydro-converted Group II Plus oils...$245.90 -
Schaeffer 9006-012 Supreme 9000 Synth Racing 2-Cycle | 12-QTS
Schaeffer Mfg Co.
$294.45Schaeffer’s 9006 Supreme 9000 Full Synthetic 2-Cycle Racing Oil (12-Quarts) is a premium, top tier, ashless, 2-cycle engine oil. It is designed for use in carbureted, electronic fuel injected (EFI)...$294.45 -
Schaeffer’s 707-005 Extreme V-Twin Syn Plus Racing 20W-50 | 5-G
Schaeffer Mfg Co.
$269.33Schaeffer’s 707 Extreme V-Twin Synthetic Plus Racing Engine Oil SAE 20W-50 (5-Gallons) P$269.33 -
Schaeffer 707-012 Extreme V-Twin Syn Plus Racing 20W-50 | 12-QTS
Schaeffer Mfg Co.
$182.99Schaeffer’s 707 Extreme V-Twin Synthetic Plus Racing Engine Oil SAE 20W-50 (12-Quarts) Premium para-synthetic engine oil e$182.99 -
Schaeffer 9001-012 Supreme 9000 Synth Racing 5W-50 | 12-QTS
Schaeffer Mfg Co.
$189.99Schaeffer's 9001 Supreme 9000 Full Synthetic Racing Oil SAE 5W-50Â (12-Quarts)Â is a premium quality, full synthetic, heavy-duty, multi-grade engine oi$189.99 -
Schaeffer 711-005 SynShield OTR Plus 10W-30 | 5-G
Schaeffer Mfg Co.
$223.74Schaeffer’s 711 SynShield® OTR Plus Diesel Engine Oil SAE 10W-30 (5-Gallons)Â$223.74 -
Schaeffer 705-005 Supreme 7000 Synth Plus Racing 20W-50 | 5-G
Schaeffer Mfg Co.
$269.33Schaeffer’s 705 Supreme 7000 Synthetic Plus Racing Engine Oil SAE 20W-50 (5-Gallons) is engineered with severely hydrotreated PAO synthetic and severely raffinate hydro converted Group II Plus base...$269.33 -
Schaeffer 191-005 Micron Moly Racing 20W-50 | 5-G
Schaeffer Mfg Co.
$243.80Schaeffer's 191 Micron Moly Racing Engine Oil SAE 20W-50Â (5-Gallons)Â is a superior quality, high zinc multi-grade engine oil. It is specially formula$243.80 -
Schaeffer 191-012 Micron Moly Racing 20W-50 | 12-QTS
Schaeffer Mfg Co.
$159.97Schaeffer's 191 Micron Moly Racing Engine Oil SAE 20W-50Â (12-Quarts)Â is a superior quality, high zinc multi-grade engine oil. It is specially formulated to reduce frictio$159.97 -
Schaeffer 705-012 Supreme 7000 Synth Plus Racing 20W-50 | 12-QTS
Schaeffer Mfg Co.
$182.99Schaeffer’s 705 Supreme 7000 Synthetic Plus Racing Engine Oil SAE 20W-50 (12-Quarts) is engineered with severely hydrotrea$182.99 -
Schaeffer's 706-006 Supreme 7000 Synthetic Plus 2-Cycle | 6-GC
Schaeffer Mfg Co.
$269.55Schaeffer's 706 Supreme 7000™ Synthetic Plus 2-Cycle Oil TC-W3 (6-Gallons) is a para-synthetic ashless 2-cycle oil. It is specially formulated to meet and exceed the performance needs of today’s...$269.55 -
Schaeffer 700-012 SynShield Durability Advantage 15W-40 | 12-QTS
Schaeffer Mfg Co.
$159.88Schaeffer's 700 SynShield® Durability Advantage Diesel Engine Oil 15W-40 (12-Quarts) Tired of engine oils that can’t keep up with the relentles$159.88 -
Schaeffer 711-012 SynShield OTR Plus 10W-30 | 12-QTS
Schaeffer Mfg Co.
$159.88Schaeffer’s 711 SynShield® OTR Plus Diesel Engine Oil SAE 10W-30 (12-Quarts)$159.88 -
Schaeffer's 706-012 Supreme 7000 Synthetic Plus 2-Cycle | 12-QTS
Schaeffer Mfg Co.
$165.88Save $10.00 each when you buy 5+! Schaeffe$165.88