Top 9 10w40 Oil Synthetic – Motor Oils

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1. Valvoline


Valvoline 4-Stroke Motorcycle Full Synthetic SAE 10W-40 Motor Oil 1 QT

Valvoline #ad - Added protection against harmful deposits that can decrease engine performance. Full synthetic formula helps maximize power and acceleration. Formulated to provide outstanding wet clutch protection for maximum power transfer and smooth shifting. Excellent wear and corrosion protection to help keep the engine performing its best.
BrandValvoline #ad
ManufacturerValvoline #ad
Height9 Inches
Length4.23 Inches
Weight1.75 Pounds
Width2.65 Inches
Part Number507679

2. Mobil 1


Mobil 1, 120771 High Mileage 10W-40; 5QT

Mobil 1 #ad - Helps extend engine life by working to prevent damaging deposits and sludge buildup. Helps provide low-speed pre-ignition LSPI and timing chain wear protection while keeping your engine clean. Mobil 1 high mileage full synthetic motor oil 10w-40 is designed for engines with over 75, 000 miles to go up to 10, 000 miles between oil changes*. Provides excellent internal engine heat protection up to 500 degrees F and low temperature protection to -20 degrees F. Helps to protect your engine from the five factors that can damage engines over time.
BrandMobil 1 #ad
ManufacturerExxonMobil #ad
Height12.66 Inches
Length8.1 Inches
Width4.4 Inches
Part Number120771
ModelHigh Mileage
WarrantyLimited Warranty - Please contact manufacturer for full details

3. Castrol


5 Quart, Castrol 03111C GTX High Mileage 10W-40 Synthetic Blend Motor Oil

Castrol #ad - Superior detergency that helps prevent deposit build up. Seal conditioners help reduce leaks; Bottle Color: Green. Superior oil burn off protection versus leading conventional oils. Exceeds ilsac gf-5, aPI SN. Advanced additives that help prevent engine wear.
BrandCastrol #ad
ManufacturerCastrol #ad
Height4.5 Inches
Length11.6 Inches
Width9 Inches
Part Number03111C

4. Valvoline


Valvoline High Mileage with MaxLife Technology SAE 10W-40 Synthetic Blend Motor Oil 5 QT Packaging May Vary

Valvoline #ad - Enhanced friction performance helps maximize power with advanced friction-fighting agents that properly lubricate moving parts and help your older engine maintain its horsepower to perform its best for longer.

Reduce sludge, deposits, corrosion, and rust with added detergents and anti-corrosion additives, sustaining your engine’s performance and preventing higher emissions.40% better wear protection than the industry standard with enhanced anti-wear additives, keeping critical engine components safe and preventing metal surfaces from making contact. Refresh aging seals and prevent leaks both inside and outside your engine with premium seal conditioners. Exceptional temperature protection no matter the weather with superior viscosity modifiers to ensure oil flows more easily, coats more completely, and resists thermal breakdown even in the fiercest driving conditions.
BrandValvoline #ad
ManufacturerValvoline #ad
Height12.66 Inches
Length8.22 Inches
Weight9.59 Pounds
Width4.6 Inches
Part Number881148

5. Motul


Motul 104092 Synthetic Engine Oil

Motul #ad - Proprietary extreme pressure formula to protect the gearbox. Meets the following standards: API SL/SH/SG and JASO MA. Low sulfur and phosphorus formula for bikes fitted with catalytic converters. Ester technology improves engine response. Recommended for all 4-stroke motorcycles with catalytic converters.
BrandMotul #ad
ManufacturerMotul #ad
Height11.42 Inches
Length7.87 Inches
Weight8 Pounds
Width4.92 Inches
Part NumberFBA_104092
WarrantyCheck with Motul

6. Mobil 1


5 qt., Mobil 1 10W-40 High Mileage Full Synthetic Motor Oil

Mobil 1 #ad - Reduces deposits and sludge Contains a seal conditioner to keep seals in working condition and help prevent leaks. Ideal for passenger cars, SUVs, light vans and trucks. 5-qt bottle ideal for multiple oil changes Helps older engines last for a longer time. Provides wear protection, cleaning power and overall performance. High-mileage passenger car motor oil specially designed for older engines.
BrandMobil 1 #ad
ManufacturerMobil 1 #ad
Part Number98KG82

7. Castrol


1 Quart, Castrol 06246 EDGE 10W-40 Advanced Full Synthetic Motor Oil, 6 Pack

Castrol #ad - Country of origin : United States. Product type: Auto Oil. Package weight: 5. 557 kilograms. Superior performance Against Deposits, Wear And Oxidation.
BrandCastrol #ad
ManufacturerCastrol #ad
Part Number06246
Warranty3 Months

8. Royal Purple


1 Quart Case of 6, Royal Purple 36140 HPS 10W-40 High Performance Street Motor Oil

Royal Purple #ad - Formulated with up to 30% more anti-wear chemistry than other conventional and synthetic spec engine oils. Exceptionally high film strength for dramatic reductions in engine wear and reduced engine heat to extend the life of your engine. Superior corrosion protection. Improved sealing between the piston ring and cylinder wall maximizes horsepower and torque and optimizes fuel economy. Proprietary synerlec technology elevates film strength to 3X to 4X that of other synthetic engine oils for outstanding valvetrain protection.
BrandRoyal Purple #ad
ManufacturerRoyal Purple #ad
Height8.75 Inches
Length4.25 Inches
Weight2 Pounds
Width1.75 Inches
Part Number36140-6PK

9. Quicksilver


Quicksilver 10W-40 Full Synthetic Motorcycle Oil – 1 Gallon

Quicksilver #ad - Fits everything – meets or exceeds all major powersports vehicle manufacturer’s warranty requirements. Protection – additives protect against corrosion of internal engine components and provides overall engine wear protection in high heat conditions. Performance - full synthetic formula with excellent film strength to resist shear and oxidation for maximum fluid life. Peace of mind - easy starting and instant cold flow engine protection in low temperatures. Harsh conditions – optimizes clutch performance even in wet clutch applications.
BrandQuicksilver #ad
ManufacturerQuicksilver #ad
Part Number8M0060085