2003 Subaru Outback Motor Oil

Essential 2003 Subaru Outback Motor Oil

Mobil 1 – Extended Performance High Mileage Full Synthetic Motor Oil 5W-30, 5 Quart (Part No.15021)

Extended Performance High Mileage Full Synthetic Motor Oil 5W-30, 5 Quart

from

$41.99
You trust your car to keep you going, even after 75,000 miles. Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 gives engines with over 75,000 miles the extra care they need to go the distance. Formulated to help prevent leaks, it helps to protect critical engine parts for up to 20,000 miles between oil changes, guaranteed.(1) Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of maximized engine power. This cutting-edge formula is recommended by ExxonMobil for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s #1 synthetic motor oil brand at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR. ((1)Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. (2)Source: The NPD Group/Retail Tracking Service/Dollar Sales/PCMO full-synthetic/52 weeks ending July 1, 2023)

Product Features:
  • Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.(1)
  • Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Manufacturer Part Number: 123843
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Castrol – EDGE« High Mileage 10W-40 Full Synthetic Motor Oil 1 Quart (Part No.15989F)

EDGE« High Mileage 10W-40 Full Synthetic Motor Oil 1 Quart

from

$12.99
Castrol EDGE High Mileage with Fluid Titanium Technology is specially formulated for vehicles with over 75K miles and the natural choice for consumers who want to extend maximum engine performance. It’s engineered with Phosphorus Replacement Technology to preserve the catalytic converter and the emission system.

Product Features:
  • 10X Better High Temperature performance – As measured in Seq IIIH engine test vs. API SP limit
  • 6X Better Wear Protection – As measured in Seq IVA test vs. latest test limit
  • From the makers of the #1 High Mileage brand
  • Meets API SP/SN PLUS
  • Castrol EDGE offers motor oils that meet OEM specification approvals or licenses that cover over 97.3% of the US car parc.
  • Available in the following grades: 5W-20, 5W-30, 10W-30, and 10W-40
  • Try Castrol EDGE High Mileage today
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FRAM – High Mileage 10W-40 Motor Oil: 5 Quart (Part No.F670-5QT)

High Mileage 10W-40 Motor Oil: 5 Quart

from

$25.99
FRAM Conventional High Mileage 10W40 Engine Oil is specially designed with enhanced  additives to help reduce leaks and oil consumption in worn or higher mileage engines. This oil is formulated to help clean out sludge buildup and keep engines running clean and with  increased efficiency and power. They are specially designed for engines with over 75,000 miles.  FRAM Conventional High Mileage 10W40 Engine Oil will protect domestic and imported vehicles and  equipment powered with either gasoline or light duty diesel engines – even those that are turbo charged or super-charged. This high-quality oil is specifically formulated to meet or exceed  all new car manufacturers’ warranty requirements as well as the stringent industry standards API  SP/CF.

Product Features:
  • Formulated with a unique combination of premium base oils and an enhanced additive system
  • Provides increased protection in higher mileage engines
  • Helps restore seal condition to reduce oil consumption
  • Increases protection against high temperature deposits and ring sticking
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
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FRAM – 5 Qt Engine Oil High Milage Conventional 5W30 Restores Seals to Reduce Oil Consumption (Part No.F660-5QT)

5 Qt Engine Oil High Milage Conventional 5W30 Restores Seals to Reduce Oil Consumption

from

$25.99
FRAM Conventional High Mileage 5W30 Engine Oil is specially designed with enhanced  additives to help reduce leaks and oil consumption in worn or higher mileage engines. This oil is formulated to help clean out sludge buildup and keep engines running clean and with  increased efficiency and power. They are specially designed for engines with over 75,000 miles.  FRAM Conventional High Mileage 5W30 Engine Oil will protect domestic and imported vehicles and  equipment powered with either gasoline or light duty diesel engines – even those that are turbo charged or super-charged. This high-quality oil is specifically formulated to meet or exceed  all new car manufacturers’ warranty requirements as well as the stringent industry standards API  SP/CF, and 5W30 grades will also meet or exceed the ILSAC GF-6A Resource Conserving Service Category.

Product Features:
  • Formulated with a unique combination of premium base oils and an enhanced additive system
  • Provides increased protection in higher mileage engines
  • Helps restore seal condition to reduce oil consumption
  • Increases protection against high temperature deposits and ring sticking
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
  • Specially formulated for engines with over 75,000 miles to help reduce leaks and oil consumption.
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Valvoline – Advanced Full Synthetic 0W-20 Engine Oil: Maximizes Engine Life, 1 Quart (Part No.VV916)

Advanced Full Synthetic 0W-20 Engine Oil: Maximizes Engine Life, 1 Quart

from

$11.49
The Valvoline Advanced Full Synthetic 0W-20 Motor Oil is a high-quality engine oil that is designed to maximize the life of your engine. This product is available in a 1-quart size and is formulated with conventional oil composition. The oil class is standard and the SAE oil weight is 0W-20. This engine oil is perfect for those who want to keep their engine running smoothly and efficiently. It is designed to provide superior protection against wear and tear, as well as reduce engine deposits and sludge. With its advanced formula, this motor oil is sure to keep your engine running at its best for years to come. If you want to ensure the longevity of your engine, the Valvoline Advanced Full Synthetic 0W-20 Motor Oil is an excellent choice.

Product Features:
  • ADVANCED PROTECTION AGAINST the four main causes of engine breakdown: wear friction heat and deposits
  • 40% BETTER WEAR PROTECTION vs. industry standard as tested in the Sequence IVB engine test
  • 25% BETTER DEPOSIT PROTECTION with superior engine cleaning detergents as tested in the GMOD engine test
  • EXCEPTIONAL HIGH/LOW TEMPERATURE PROTECTION defends your motor no matter the weather conditions
  • MEETS OR EXCEEDS ALL REQUIREMENTS of ILSAC GF-6A, API SP, API SN with SN PLUS, API SN, GM dexos 1 Gen 3
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Mobil Super – 10W-30 Full Synthetic Motor Oil, 1 Quart (Part No.27737)

10W-30 Full Synthetic Motor Oil, 1 Quart

from

$8.49
Mobil Super Synthetic 10W-30 full synthetic motor oils are engineered to provide outstanding engine protection in a wide variety of weather and driving conditions. Mobil Super helps to protect critical engine parts across a broad range of temperatures (up to 400 degrees Fahrenheit) without oxidative oil thickening and oil breakdown. Mobil Super Synthetic oils are specially formulated to help protect engines of all ages, and allows easy starting and rapid oil circulation during cold starts to protect critical engine parts. Meets or exceeds the latest industry specifications and API SN resource conserving. For our ultimate in performance and protection, consider our Mobil 1 motor oils, a family of advanced full synthetic engine oil.

Product Features:
  • Full synthetic motor oil engineered to provide outstanding engine protection for vehicles of all ages in a wide variety of weather and driving conditions
  • Helps to protect critical engine parts across a broad range of temperatures (up to 400 degrees F) without oxidative oil thickening and oil breakdown
  • Specially formulated to help easy starting and rapid oil circulation during cold starts to protect critical engine parts
  • Helps to control oil consumption and loss and provides protection beyond our conventional-synthetic blended products
  • Meets or exceeds the latest industry specifications and API SN resource conserving
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Castrol – EDGE Euro Car 5W-40 A3/B4 Full Synthetic Engine Oil 5 Quart (Part No.15B6FE)

EDGE Euro Car 5W-40 A3/B4 Full Synthetic Engine Oil 5 Quart

from

$37.99
CASTROL EDGE Euro Car 5W-40 A3/B4 Full Synthetic Motor Oil is a high-performance motor oil that is designed to provide superior engine protection and performance. This full-synthetic motor oil is optimized to deliver 40% better performance than other synthetic oils and is recommended by leading auto manufacturers. It provides engine protection for the entire drain interval and meets API CF/SN, ACEA A3/B4, BMW LL 01, MB Approval 229.5/226.5, and VW 502 00/505 00 specifications. This motor oil is 10x stronger against high-temperature oil thickening and helps improve fuel economy. It is formulated for the latest technology, high-output engines that operate at extreme temperatures and covers European OEM gasoline specifications for BMW, Mercedes-Benz, Porsche, and VW/Audi.

Product Features:
  • Optimized to deliver 40% better performance than required by acea standards
  • Recommended by world leading auto manufacturers
  • Engine protection for the entire drain interval even under extreme pressure of high output engines
  • Meets api cf/sn, acea a3/b4, bmw ll 01, mb approval 229.3/229.5, porsche a40, vw 502 00/505 00, renault rn 0700/0710
  • 10x stronger against high temperature oil thickening vs. industry standards(seq iiih vs api sn plus limits)
  • Helps improve fuel economy
  • Exceeds: acea a3/b4. api sn/cf, bmw longlife-01, mb-approval 229.3, porsche a40, vw 502 00 / 505 00
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Pennzoil – Start Stop Protection 0W-20 Full Synthetic Motor Oil, 1 Quart (Part No.550053452)

Start Stop Protection 0W-20 Full Synthetic Motor Oil, 1 Quart

from

$11.99
Pennzoil Start-Stop Protection Full Synthetic motor oil protects against damaging effects of frequent short trips and stop-and-go driving. Pennzoil Start-Stop Protection Full Synthetic helps reduce deposit and sludge build-up to improve engine performance while driving in heavy traffic. Pennzoil Start-Stop Protection also provides unsurpassed anti-wear protection for millions of stop-and-starts. Pennzoil’s patented process synthesizes natural gas into a 99.5 % pure base oil that results in better oxidative stability, cold temperature performance, and volatility control. Pennzoil makes taking care of your vehicle easier with its range of premium motor oils – each one specially formulated to meet the requirements of your engine and unique driving style.

Product Features:
  • Uniquely designed for your drive, Pennzoil Start/Stop Protection Full Synthetic motor oil protects against the damaging effects of stop-and-go driving
  • Pennzoil Start/Stop Protection motor oil helps reduce deposit and sludge build-up to improve engine performance while driving in heavy traffic.
  • Natural gas is synthesized into a 99.5% pure base oil, resulting in better oxidative stability, cold temperature performance, and volatility control
  • Each Pennzoil premium oil is specially formulated to meet the requirements of your engine and unique driving style
  • Recommended for use in all vehicles requiring the use of SAE 0W-20 viscosity grade engine oils; suitable for use in SAE 5W-20 applications
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Castrol – EDGE Extended Performance Full Synthetic 5W30 Motor Oil 1 Quart (Part No.15D47E)

EDGE Extended Performance Full Synthetic 5W30 Motor Oil 1 Quart

from

$13.49
Castrol® EDGE® Extended Performance is Castrol’s most advanced full synthetic motor oil. It provides ultimate performance and the strength to enable an extended drain of 20,000 miles or a full year (whichever comes first).

Product Features:
  • Approved and Licensed Specifications include: API SP/SN PLUS, ILSAC GF-6, GM dexos1 Gen 2, ACEA A5/B5, ACEA C2, Ford WSS-M2C961-A1, Meets engine test performance of Chrysler MS-6395 and MS-13340
  • 10X Better High Temperature Performance (Seq IIIH test vs. API SP limit)
  • 6X Better Wear Protection (Based on Seq IVA vs. latest test limit)
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Castrol – GTX Magnatec 10W-30 Synthetic Blend Motor Oil (1 Quart) (Part No.15B0B4)

GTX Magnatec 10W-30 Synthetic Blend Motor Oil (1 Quart)

from

$9.49
The intelligent molecules in Castrol GTX MAGNATEC are what set it apart from other engine oils. These ultra-refined molecular components cling to the engine throughout all driving conditions, even when the engine is off. When the engine stops, oil drains back to the sump, but the intelligent molecules in Castrol GTX MAGNATEC don’t. They cling to critical engine parts like a magnet, providing an extra layer of protection from the start and throughout warm-up. Only Castrol GTX Magnatec is uniquely formulated to provide instant protection from the moment of start.

Product Features:
  • Cling to critical engine parts when the oil drains down
  • Add a layer of protection during warm-up and beyond
  • Dramatically reduce engine wear
  • Leave critical engine parts 4X smoother
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Valvoline – High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Engine Oil, 5 Quart (Part No.881148)

High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Engine Oil, 5 Quart

from

$29.99
Valvoline High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Motor Oil is a premium quality engine oil designed to provide superior protection for high mileage engines. This synthetic blend motor oil is formulated with MaxLife Technology that helps to reduce engine wear, prevent leaks, and keep the engine clean. It is specially designed for engines with over 75,000 miles and provides excellent protection against sludge and other harmful deposits. The 5-quart container is perfect for topping off or complete oil changes. Valvoline High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Motor Oil is a reliable choice for drivers who want to extend the life of their high mileage engines.

Product Features:
  • Enhanced anti-wear additives deliver a thick & durable layer of anti-wear film to help prevent auto engine breakdown
  • Added detergents protect against engine-clogging sludge and deposits
  • Premium seal conditioners help treat and prevent leaks
  • Superior antioxidants resist engine oil breakdown in extreme conditions
  • Protects gasoline direct injected engines from low-speed pre-ignition
  • EZ Pour design incorporates a centralized handle, easy-pull tab, anti-glug tube and precision pour spout to make changing your oil faster, easier and cleaner than ever before
  • Maximizes the life of engines over 75,000 miles
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Castrol – EDGE® 10W-30 Full Synthetic Motor Oil 5 Quart (Part No.1598B6)

EDGE® 10W-30 Full Synthetic Motor Oil 5 Quart

from

$37.99
Castrol EDGE with Fluid TITANIUM Technology, is Castrol’s strongest oil and the natural choice for drivers who want the best combination of sludge protection, wear protection and maximum engine performance. Unlock maximum performance with every drive.

Product Features:
  • 3X Stronger against viscosity breakdown than the leading full synthetic – Based on Kurt Orbahn test in 5W-30 grade
  • 10X Better High Temperature performance – As measured in Seq IIIH engine test vs. API SP limit
  • 6X Better Wear Protection – As measured in Seq IVA test vs. latest test limit
  • Meets API SP/SN PLUS, ILSAC GF-6, ACEA A1/B1, GM 6094M and 4718M, Meets engine test requirements of Chrysler MS 6395
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Pennzoil – Platinum High Mileage 0W-20 Full Synthetic Engine Oil, 5 Quart (Part No.550046636)

Platinum High Mileage 0W-20 Full Synthetic Engine Oil, 5 Quart

from

$38.99
Pennzoil Platinum High Mileage SAE 0W-20 is a full synthetic motor oil that is uniquely engineered from our revolutionary PurePlus gas-to-liquid technology which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Because it is made from natural gas, the base oil is 99.5% pure, contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive technology, creates one of the best formulations in our Pennzoil high mileage portfolio. As your car ages, leaks may develop and cause higher oil consumption and oil burn off, potentially causing your engine to need frequent top-offs. Pennzoil Platinum High Mileage motor oil is enhanced with an excellent combination of special conditioning seal agents and additives to help stop leaks from seals and reduce the oil consumption that is typical of older and worn engines. Our full synthetic high mileage motor oil also protects engines from loss of horsepower, offers excellent performance in extreme temperatures, and provides unsurpassed wear protection, and protection against abnormal combustion phenomenon like low-speed pre-ignition observed in modern turbocharged gasoline direct injection (TGDI) engines. Pennzoil Platinum High Mileage SAE 0W-20 is engineered to help keep engines clean by gently lifting deposits and keeping them away from critical moving engine parts In fact, it keeps pistons up to 50% cleaner than the toughest industry standards.

Product Features:
  • Designed for for vehicles with over 75,000 miles
  • Pennzoil platinum high mileage 0w-20 keeps pistons up to 45% cleaner than the toughest industry standard (based on sequence iiih results)
  • No other leading high mileage engine oil provides better protection from friction (based on sequence iva wear test using sae 5w-30)
  • Formulated to deliver less oil burn off than high mileage engine oils made from crude oil
  • Helps protect engines from loss of horsepower
  • Provides faster low-temperature oil flow and protects in extreme heat
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FRAM – Full Synthetic High Mileage 0W-20 Engine Oil: 1 Quart (Part No.F913)

Full Synthetic High Mileage 0W-20 Engine Oil: 1 Quart

from

$7.99
FRAM Full Synthetic High Mileage SAE 0W-20 is a full synthetic motor oil blended with high quality synthetic base stocks and and enhanced additives that meet the stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications while reducing leaks and oil consumption in worn or higher mileage engines. Formulated with synthetic base stocks, this oil offers increased oxidation inhibition performance as well as increased high and low temperature performance when compared against conventional oils. The FRAM Full Synthetic High Mileage SAE 0W-20 is formulated to help clean out sludge buildup and keep engines running clean and with increased efficiency and power. Specially designed for engines with over 75,000 miles, the FRAM Full Synthetic High Mileage SAE 0W-20 provides the ultimate protection for your higher mileage engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Full Synthetic High Mileage SAE 0W-20 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability for higher mileage vehicles over previous oil categories.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Reduces oil cumsumption
  • Excellent sludge and varnish protection
  • Slows engine leaks
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
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Castrol – Conventional 30W Engine Oil – Protects against thermal breakdown – 1 Qt (Part No.151B00)

Conventional 30W Engine Oil - Protects against thermal breakdown - 1 Qt

from

$8.49
Castrol Conventional 30W Engine Oil is a high-quality monograde oil that provides maximum engine wear protection. It contains dispersants, antioxidants, detergents, and other additives that help to keep the engine clean and running smoothly. This heavy-duty formula is engineered to provide greater protection against thermal breakdown, which can cause engine damage and reduce performance. Castrol Conventional 30W Engine Oil exceeds all passenger car and light-truck manufacturer’s warranty requirements and is made in the USA. It is an ideal choice for those who want to keep their engines running smoothly and efficiently. Protect your engine against thermal breakdown with Castrol Conventional 30W Engine Oil.

Product Features:
  • Heavy-duty formula provides maximum engine wear protection in warm climates; designed for use in temperatures above 40 Deg. F
  • Contains dispersants, antioxidants, detergents and varnish inhibitors that help prevent ring-sticking and build up of harmful engine deposits
  • Engineered for greater protection against thermal breakdown
  • Exceeds all passenger car and light-truck manufacturers’ warranty requirements for the protection of gasoline and turbocharged engines where api sm, sl, sj or sh is recommended
  • Made in the usa
  • Thermal Protection: GTX Engine Oil, SAE 30 provides superior protection against thermal breakdown, ensuring your engine stays cool and running smoothly.
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LIQUI MOLY – TopTec 4200 Long Life Full Synthetic 5W-30 Motor Oil: Long Life, Reduces Build Up, 5 Liter (Part No.2011)

TopTec 4200 Long Life Full Synthetic 5W-30 Motor Oil: Long Life, Reduces Build Up, 5 Liter

from

$56.99
High-tech low-friction motor oil based on synthetic technology. Ensures excellent engine cleanliness and exceeds even the strictest test requirements of well-known vehicle manufacturers. Reduces the build-up of troublesome deposits in direct-injection gasoline and diesel engines (FSI, TDI, common rail, etc.) and keeps oil consumption low. Assures reliable operation and maximizes the operating life of the diesel particulate filter (DPF). Specifically for vehicles with extremely long oil change intervals (WIV, etc.). Outstanding protection against wear, reduces oil and fuel consumption and ensures fast oil penetration of the engine.

Product Features:
  • Outstanding protection against wear
  • Reduces oil and fuel consumption
  • Ensure fast oil penetration of the engine
  • High tech low friction based on synthetic technology
  • Made in Germany
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Pennzoil – Platinum High Mileage 0W-20 Full Synthetic Engine Oil, 1 Quart (Part No.550046634)

Platinum High Mileage 0W-20 Full Synthetic Engine Oil, 1 Quart

from

$11.99
Pennzoil Platinum High Mileage SAE 0W-20 is a full synthetic motor oil that is uniquely engineered from our revolutionary PurePlus gas-to-liquid technology which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Because it is made from natural gas, the base oil is 99.5% pure, contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive technology, creates one of the best formulations in our Pennzoil high mileage portfolio. As your car ages, leaks may develop and cause higher oil consumption and oil burn off, potentially causing your engine to need frequent top-offs. Pennzoil Platinum High Mileage motor oil is enhanced with an excellent combination of special conditioning seal agents and additives to help stop leaks from seals and reduce the oil consumption that is typical of older and worn engines. Our full synthetic high mileage motor oil also protects engines from loss of horsepower, offers excellent performance in extreme temperatures, and provides unsurpassed wear protection, and protection against abnormal combustion phenomenon like low-speed pre-ignition observed in modern turbocharged gasoline direct injection (TGDI) engines. Pennzoil Platinum High Mileage SAE 0W-20 is engineered to help keep engines clean by gently lifting deposits and keeping them away from critical moving engine parts In fact, it keeps pistons up to 50% cleaner than the toughest industry standards.

Product Features:
  • Designed for for vehicles with over 75,000 miles
  • Pennzoil platinum high mileage 0w-20 keeps pistons up to 45% cleaner than the toughest industry standard (based on sequence iiih results)
  • No other leading high mileage engine oil provides better protection from friction (based on sequence iva wear test using sae 5w-30)
  • Formulated to deliver less oil burn off than high mileage engine oils made from crude oil
  • Helps protect engines from loss of horsepower
  • Provides faster low-temperature oil flow and protects in extreme heat
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Pennzoil – Platinum 0W-20 Full Synthetic Motor Oil, 5 Quart (Part No.550038111)

Platinum 0W-20 Full Synthetic Motor Oil, 5 Quart

from

$35.99
Pennzoil Platinum full synthetic SAE 0W-20 motor oil is uniquely engineered from our revolutionary PurePlus gas-to-liquid technology, which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Our high-quality base oil is 99.5% pure, contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive technology creates one of the best formulations in our Pennzoil portfolio. Pennzoil Platinum full synthetic SAE 0W-20 motor oil is licensed and meets the vehicle warranty requirements of GM’s dexos 1 Gen 2 specifications that are set forth to meet today’s modern engine technologies. This means that our Pennzoil Platinum full synthetic products meet the stringent requirements of leading car manufacturers. Why does this matter? Modern engine technologies have evolved over the years and today’s engine parts have reached an unprecedented level of fine manufacturing tolerances which require a high-quality engine oil to help provide complete engine protection. This includes protection against abnormal combustion phenomenon like low-speed pre-ignition observed in modern turbocharged gasoline direct injection (TGDI) engines.

Product Features:
  • Engineered to provide a high-quality base oil using our revolutionary PurePlus gas-to-liquid technology in combination with a high performance additive system
  • Helps protect against the effects of low speed pre-ignition (LSPI) in modern turbocharged engines
  • Provides better fuel economy which helps you drive an extra 550 miles per year vs a dirty engine
  • Offers unsurpassed wear protection by keeping engine parts from coming into contact
  • Delivers outstanding piston cleanliness, keeping pistons up to 50% cleaner than required by the toughest industry standards- based on Sequence IIIH engine test results
  • Specifications, Approvals and Recommendations: FCA MS-6395; Ford WSS-M2C947-B1; GM dexos1TM Gen 2
  • Exceeds the requirements of the following industry specifications: API SN PLUS, API SN-RC and all previous categories; ILSAC GF-5; ACEA A1/B1
  • For a full list of equipment approvals and recommendations, please consult your local Shell Technical Help Desk and always consult your owner’s manual.
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Mobil Super – 0W-20 Full Synthetic Motor Oil, 1 Quart (Part No.27731)

0W-20 Full Synthetic Motor Oil, 1 Quart

from

$8.49
Mobil Super Synthetic 0W-20 full synthetic motor oils are engineered to provide outstanding engine protection in a wide variety of weather and driving conditions. Mobil Super helps to protect critical engine parts across a broad range of temperatures (up to 400 degrees Fahrenheit) without oxidative oil thickening and oil breakdown. Mobil Super Synthetic oils are specially formulated to help protect engines of all ages, and allows easy starting and rapid oil circulation during cold starts to protect critical engine parts. Meets or exceeds the latest industry specifications and API SN resource conserving. For our ultimate in performance and protection, consider our Mobil 1 motor oils, a family of advanced full synthetic engine oil.

Product Features:
  • Full synthetic motor oil engineered to provide outstanding engine protection for vehicles of all ages in a wide variety of weather and driving conditions
  • Helps to protect critical engine parts across a broad range of temperatures (up to 400 degrees F) without oxidative oil thickening and oil breakdown
  • Specially formulated to help easy starting and rapid oil circulation during cold starts to protect critical engine parts
  • Helps to control oil consumption and loss and provides protection beyond our conventional-synthetic blended products
  • Meets or exceeds the latest industry specifications and API SN resource conserving
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Royal Purple – HMX SAE 5W-20 High-Mileage Synthetic Motor Oil (5 Quart) (Part No.17518)

HMX SAE 5W-20 High-Mileage Synthetic Motor Oil (5 Quart)

from

$65.99
Royal Purple HMX SAE 5W-20 High-Mileage Synthetic Motor Oil, 5 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity. 

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology
  • HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
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Mobil 1 – Advanced Full Synthetic Engine Oil 0W-20, 1 Quart (Part No.44968)

Advanced Full Synthetic Engine Oil 0W-20, 1 Quart

from

$11.99
Keep your engine running at peak efficiency while improving fuel economy. Engineered for today’s advanced engines, Mobil 1 Advanced Fuel Economy full-synthetic motor oil 0W-20 helps to improve fuel economy (1) and extend engine life for vehicles of all ages. Mobil 1 Advanced Fuel Economy utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to your vehicle. Specialty components in synthetic oil reduce friction, helping to prevent deposits and sludge buildup to keep critical engine parts clean and protected for up to 10,000 miles between oil changes. (2) This technologically advanced formulation offers outstanding engine efficiency, wear protection, internal engine heat protection (up to 500 degrees Fahrenheit), and low-temperature protection (to -40 degrees Fahrenheit)-bringing quick cold-weather starting and ultra-fast protection to your engine. Mobil 1 Advanced Fuel Economy meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy. Mobil 1 Advanced Fuel Economy full-synthetic motor oil 0W-20 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s #1 selling synthetic motor oil brand at retail, (3) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR.

Product Features:
  • Mobil 1 advanced fuel economy full-synthetic engine oil 0w-20 is low-viscosity to help improve fuel economy.(1)
  • Utilizes Mobil 1’s signature triple action formula to deliver outstanding engine performance, protection, and cleanliness
  • Helps protect critical engine parts for up to 10,000 miles between oil changes,(2) controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
  • Meets ilsac gf-6 standards to help provide low-speed pre-ignition (lspi) and timing chain wear protection while keeping your engine clean
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Provides excellent internal engine heat protection (up to 500 degrees f) and low temperature protection (to -40 degrees f)
  • Manufacturer part number: 105891
  • (1) Potential fuel economy improvement obtained by switching from higher-viscosity oils to a lower-viscosity grade. actual savings are dependent upon vehicle/engine type, outside temperature, driving conditions, & your current engine oil viscosity
  • (2) Protects for up to 10,000 miles or 1 year, whichever comes first. to learn more about the Mobil 1 limited warranty, visit mobil.us.
  • (3) Source: the npd group/ retail tracking service/ dollar sales/ pcmo full-synthetic/ 52 weeks ending july 1, 2023
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Castrol – EDGE Extended Performance 0W-20 Advanced Full Synthetic Motor Oil: 5 Qt (Part No.15B58F)

EDGE Extended Performance 0W-20 Advanced Full Synthetic Motor Oil: 5 Qt

from

$41.99
Castrol EDGE Extended Performance with Fluid TITANIUM Technology is Castrol’s most advanced full synthetic and the natural choice for drivers who demand outstanding performance and the assurance of protection during today’s longer drain intervals. It provides protection for 20,000 miles or a full year – guaranteed. Castrol EDGE Extended Performance features some of the best attributes of Castrol’s patented Fluid TITANIUM Technology that transforms its structure to be stronger under pressure. It helps keep metal apart to fight power-robbing friction, providing wear protection 6X better than required by the industry standard, while protecting under extreme conditions with 10X better high temperature performance. Castrol EDGE Extended Performance provides the strength to extend drains for 20,000 miles and the muscle to maintain viscosity stability under the extreme force of the engine and protection from wear. Unlock maximum engine performance.

Product Features:
  • Extended drain interval of 20,000 miles or a full year (Whichever comes first)
  • 10X Better High Temperature performance (As measured in Sequence IIIH engine test vs. API SP test limit)
  • 6X Better Wear Protection (As measured in the latest Sequence IVA engine test)
  • 1.4X Better Sludge Protection (As measured in Sequence VH engine test vs. API SP test limit)
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Mobil Super – 10W-30 Synthetic Blend Motor Oil, 1 Quart (Part No.97025)

10W-30 Synthetic Blend Motor Oil, 1 Quart

from

$5.89
Mobil Super 10W-30 Synthetic Blend motor oil helps to extend your engine life and provide engine protection up to 5,000 miles for gasoline cars and light-duty trucks. Mobil Super has 15 percent extra cleaning additives to help prevent the formation of sludge and deposits when compared to Mobil conventional motor oil. Helps to get your engine cleaner, conserve viscosity for easier cold starting, and provide outstanding engine wear protection under a variety of operating conditions. Meets or exceeds the requirements of: API SN, SM, SL, API SN Plus.

Product Features:
  • Mobil Super Synthetic Blend motor oil 10W-30 works to protect your engine from sludge and deposits for up to 5,000 miles
  • Helps to keep your engine clean with 15 percent extra cleaning additives, preventing sludge and deposit formation
  • Works to provide outstanding engine wear protection under a variety of operating conditions
  • Enhanced formulation (vs. Mobil basic conventional oil) helps to conserves oil viscosity for easier cold starting
  • Recommended for gasoline cars and light-duty trucks
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FRAM – Full Synthetic High Mileage 5W-30 Engine Oil: 5 Quart (Part No.F933-5QT)

Full Synthetic High Mileage 5W-30 Engine Oil: 5 Quart

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$28.99
FRAM Full Synthetic High Mileage SAE 5W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and and enhanced additives that meet the stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications while reducing leaks and oil consumption in worn or higher mileage engines. Formulated with synthetic base stocks, this oil offers increased oxidation inhibition performance as well as increased high and low temperature performance when compared against conventional oils. The FRAM Full Synthetic High Mileage SAE 5W-30 is formulated to help clean out sludge buildup and keep engines running clean and with increased efficiency and power. Specially designed for engines with over 75,000 miles, the FRAM Full Synthetic High Mileage SAE 5W-30 provides the ultimate protection for your higher mileage engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Full Synthetic High Mileage SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability for higher mileage vehicles over previous oil categories.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Reduces oil cumsumption
  • Excellent sludge and varnish protection
  • Slows engine leaks
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
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Pennzoil – Platinum 0W-20 Full Synthetic Motor Oil, 1 Quart (Part No.550036541)

Platinum 0W-20 Full Synthetic Motor Oil, 1 Quart

from

$11.49
Product Features:
  • Full synthetic 0W-20 engine oil made from made from natural gas, not crude, using Pennzoil’s patented gas-to-liquid PurePlus Technology
  • Provides better fuel economy-drive on average an extra 550 miles per year (versus a dirty engine)
  • Pennzoil Platinum 0W-20 keeps pistons up to 45% cleaner than the toughest industry standard (Based on Sequence IIIH results)
  • No other leading synthetic oil provides better wear protection from friction (Based on Sequence IVA wear test using SAE 5W-30)
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat
  • Helps protect engines from loss of power
  • Formulated for modern turbocharged engines-GF-6, API SP/SP-Resource Conserving and all previous categories
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FRAM – 10W-30 Small Engine 10W-30 Conventional Oil: 1 Quart (Part No.464-32)

10W-30 Small Engine 10W-30 Conventional Oil: 1 Quart

from

$7.29
10W-30 Small Engine 10W-30 Conventional Oil: 1 Quart

FRAM – Full Synthetic High Mileage 10W-30 Engine Oil: 1 Quart (Part No.F943)

Full Synthetic High Mileage 10W-30 Engine Oil: 1 Quart

from

$7.99
FRAM Full Synthetic High Mileage SAE 10W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and and enhanced additives that meet the stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications while reducing leaks and oil consumption in worn or higher mileage engines. Formulated with synthetic base stocks, this oil offers increased oxidation inhibition performance as well as increased high and low temperature performance when compared against conventional oils. The FRAM Full Synthetic High Mileage SAE 10W-30 is formulated to help clean out sludge buildup and keep engines running clean and with increased efficiency and power. Specially designed for engines with over 75,000 miles, the FRAM Full Synthetic High Mileage SAE 10W-30 provides the ultimate protection for your higher mileage engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Full Synthetic High Mileage SAE 10W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability for higher mileage vehicles over previous oil categories.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Reduces oil cumsumption
  • Excellent sludge and varnish protection
  • Slows engine leaks
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
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Castrol – EDGE Full Synthetic High Mileage Motor Oil, 5W-30 (1 Quart) (Part No.6128)

EDGE Full Synthetic High Mileage Motor Oil, 5W-30 (1 Quart)

from

$12.49
Castrol® EDGE® High Mileage is 3X stronger against viscosity breakdown than the leading full synthetic oil. Castrol EDGE High Mileage full synthetic motor oil is designed for older cars with over 75,000 miles that need a high mileage oil to protect worn seals, prevent leaks, remove engine sludge and prevent wear and tear of the engine. As your car ages, its engine can lose performance and efficiency. Proper maintenance is critical to keep your older car performing at its best. Tested in the ASTM D6278 test in the 5W-30 viscosity grade.

Product Features:
  • Boosted with extra fluid titanium technology to protect your older engine
  • Maximizes short and long term engine performance on high mileage engines
  • Reduces leaks, oil burn off and power-robbing deposits
  • Improves fuel economy
  • Castrol EDGE offers motor oils that meet OEM specification approvals or licenses that cover over 97.3% of the US car parc.
  • Available in the following grades: 5W-20, 5W-30, 10W-30, and 10W-40
  • Try Castrol EDGE High Mileage today
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2003 Subaru Outback Motor Oil

Maybe you’re in the middle of a full rebuild of that 2003 Subaru Outback. Maybe you just need a couple of Motor Oil. Either way, Advance Auto Parts has 63 different Motor Oil in our inventory ranging from $5.89 to $41.99. That means you can find the exact parts or products you need to keep that 2003 Subaru Outback running smoothly.

Motor Oil are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Subaru Outback. Castrol, FRAM, and Mobil Oil are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Motor Oil for your 2003 Subaru Outback, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 16,094 reviews in this category, some of the top rated parts include Extended Performance Full Synthetic Motor Oil 5W-30, 1 Quart with 4.9 stars and EDGE 5W-30 Advanced Full Synthetic Motor Oil: 1 Quart with 4.9 stars.

So if you’re in the market for aftermarket Motor Oil to keep your 2003 Subaru Outback rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Motor Oil Brands To Make Your 2003 Subaru Outback Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Subaru Outback demands trusted brand parts and products to keep it running. Many trusted brands of Motor Oil make up Advance Auto Parts’ inventory, and all are ready to help make your Outback the best it can be. Be sure to browse some of our top Motor Oil brands and parts.

FAQs for 2003 Subaru Outback Motor Oil

What are the most purchased Motor Oil for the 2003 Subaru Outback?

Out of 63 Motor Oil for the 2003 Subaru Outback, the most popular in our inventory are:

What are the top-rated 2003 Subaru Outback Motor Oil?

Top-rated Motor Oil for your 2003 Subaru Outback based on customer reviews/ratings are:
GTX Ultraclean 5W-30 Synthetic Blend Motor Oil: 5 Quart
from $29.99
(333)
GTX Ultraclean 5W-30 Synthetic Blend Motor Oil: 5 Quart
“car runs great on it”