Top 10 Castrol Motor Oils
for June 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
SCORE
Castrol 03057 GTX MAGNATEC 5W-30 Full Synthetic Motor Oil, Green, 5 Quart

Castrol 03057 GTX MAGNATEC 5W-30 Full Synthetic Motor Oil

Green, 5 Quart

by Castrol
What We like

Castrol recommends the use of Bosch oil filters

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Product Features

  • Meets Specifications: API SN Plus, ILSAC GF-5, GM dexos1 Gen 2, Ford WSS-M2C929-A, WSS-M2C946-B1
  • Leave critical engine parts 4X smoother* * As tested in the industry Sequence IVA wear test
  • Superior wear protection on critical engine parts
  • Dramatically reduce engine wear

Meets specifications: api sn plus, ilsac gf-5, gm dexos1 gen 2, ford wss-m2c929-a, wss-m2c946-b1 Dramatically reduce engine wear Leave critical engine parts 4x smoother* * as tested in the industry sequence iva wear test Superior wear protection on critical engine parts

2
9.7
SCORE
Castrol 159AE1 06080 Power RS V-Twin 20W-50 4-Stroke Motorcycle Oil - 1 Quart, (Pack of 6)

Castrol 159AE1 06080 Power RS V-Twin 20W-50 4-Stroke Motorcycle Oil

1 Quart, (Pack of 6)

by Castrol
What We like

Exceeds API SL and JASO MA-2

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Product Features

  • Excellent shear stability to prevent viscosity breakdown
  • Race derived technology for maximum engine acceleration
  • Extreme high temperature air-cooled performance
  • Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox

Extreme high temperature air-cooled performance Race derived technology for maximum engine acceleration Excellent shear stability to prevent viscosity breakdown Formulated with trizone technology to protect all 3 critical zones: engine, clutch and gearbox

3
9.4
SCORE
Castrol 03129C Edge High Mileage 10W-30 Advanced Full Synthetic Motor Oil, Black, 5 Quart

Castrol 03129C Edge High Mileage 10W-30 Advanced Full Synthetic Motor Oil

Black, 5 Quart

by Castrol
What We like

Improves fuel economy

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Product Features

  • Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown
  • Maximizes short and long term engine performance on high mileage engines
  • Titanium strong for maximum engine performance in vehicles with over 75,000 miles
  • Reduces leaks, oil burn off and power-robbing deposits

Boosted with extra fluid titanium technology to increase oil film strength and reduce film breakdown Maximizes short and long term engine performance on high mileage engines Reduces leaks, oil burn off and power-robbing deposits Titanium strong for maximum engine performance in vehicles with over 75,000 miles

4
9.1
SCORE
Castrol 06112 POWER 1 4T 10W-40 Synthetic Motorcycle Oil, 1 Quart Bottle, 6 Pack (15D1C9)

Castrol 06112 POWER 1 4T 10W-40 Synthetic Motorcycle Oil

1 Quart Bottle, 6 Pack (15D1C9)

by Castrol
What We like

Exceeds API SL and JASO MA-2

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Product Features

  • Extreme high temperature air-cooled performance and water-cooled engine performance
  • Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox
  • Race derived technology for maximum engine acceleration
  • Excellent shear stability to prevent viscosity breakdown

Excellent shear stability to prevent viscosity breakdown Extreme high temperature air-cooled performance and water-cooled engine performance Race derived technology for maximum engine acceleration Formulated with trizone technology to protect all 3 critical zones: engine, clutch and gearbox

5
8.8
SCORE
Castrol 03849-3PK GTX Diesel 15W-40 Motor Oil - 1 Gallon, (Pack of 3)

Castrol 03849-3PK GTX Diesel 15W-40 Motor Oil

1 Gallon, (Pack of 3)

by Castrol
What We like

Engineered to provide exceptional performance in engines operating under severe service conditions including towing and hauling under high temperatures

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Product Features

  • Applicable for on and off road heavy duty 4-stroke trucks, gasoline and diesel light trucks and passenger cars where API CJ-4, CI-4, CH-4, CG-4, CF-4, CF, SN are recommended
  • Special viscosity improvers, anti-wear, anti-oxidant and detergent additives protect and maintain cleanliness in hot running, heavy diesel and heavy duty gasoline engines
  • Provides exceptional protection from piston deposits, oil thickening and valve train wear while minimizing engine sludge formulation

Provides exceptional protection from piston deposits, oil thickening and valve train wear while minimizing engine sludge formulation Applicable for on and off road heavy duty 4-stroke trucks, gasoline and diesel light trucks and passenger cars where api cj-4, ci-4, ch-4, cg-4, cf-4, cf, sn are recommended Special viscosity improvers, anti-wear, anti-oxidant and detergent additives protect and maintain cleanliness in hot running, heavy diesel and heavy duty gasoline engines

6
8.8
SCORE
Castrol 06143-6PK HD40 Motor Oil, 1 Quart, Pack of 6

Castrol 06143-6PK HD40 Motor Oil

1 Quart, Pack of 6

by Castrol
What We like

Provides maximum wear protection in warm climates

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Product Features

  • For best performance, follow the manufacturer's recommendations in your vehicle owners manual.
  • Use HD 40 when ambient temperature is above 60F
  • Exceeds API SN, SM, SL and SJ performance for passenger cars and light trucks

For best performance, follow the manufacturer's recommendations in your vehicle owners manual. Exceeds api sn, sm, sl and sj performance for passenger cars and light trucks Use hd 40 when ambient temperature is above 60f

7
8.8
SCORE
Castrol 12146 10W-40 4-Stroke Motorcycle Oil - 1 Liter, (Pack of 6)

Castrol 12146 10W-40 4-Stroke Motorcycle Oil

1 Liter, (Pack of 6)

by Castrol
What We like

Provides maximum protection against viscosity and thermal breakdown

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Product Features

  • Delivers superior engine wear protection and high film strength for high revving motorcycle engines
  • Exceeds API SG and JASO MA-2
  • Specialized additives help prevent against ring-sticking and build-up of harmful deposits
  • Formulated with Trizone technology to protect all 3 critical zones: engine, clutch and gearbox

Exceeds api sg and jaso ma-2 Delivers superior engine wear protection and high film strength for high revving motorcycle engines Specialized additives help prevent against ring-sticking and build-up of harmful deposits Formulated with trizone technology to protect all 3 critical zones: engine, clutch and gearbox

8
8.5
SCORE
Castrol 10W40 Actevo X-tra 4T Motorcycle Oil - 1 Gallon 3166 (packagin may vary)

Castrol 10W40 Actevo X-tra 4T Motorcycle Oil

1 Gallon 3166 (packagin may vary)

by Castrol
What We like

Outstanding high temperature oil consumption and oxidation control

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Product Features

  • Exceeds API SG, JASO MA2
  • Formulated with Heat Protection Molecules to combat and minimize the formation of harmful high temperature combustion deposits
  • Part synthetic 4-stroke motorcycle oil protects your bikes engine against high temperature deposit and wear

Exceeds api sg, jaso ma2 Part synthetic 4-stroke motorcycle oil protects your bikes engine against high temperature deposit and wear Formulated with heat protection molecules to combat and minimize the formation of harmful high temperature combustion deposits

9
8.5
SCORE
Castrol 06142-6PK HD-30 Motor Oil - 1 Quart, (Pack of 6)

Castrol 06142-6PK HD-30 Motor Oil

1 Quart, (Pack of 6)

by Castrol
What We like

package weight :12.8lbs

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Product Features

  • Package dimensions :19.05 cm L x22.86 cm W x24.13 cm H
  • country of origin :United States
  • Product type :AUTO OIL

Product type :auto oil Country of origin :united states Package dimensions :19.05 cm l x22.86 cm w x24.13 cm h

10
8
SCORE
Castrol 06145 GTX 10W-30 Conventional Motor Oil - 1 Quart, (Pack of 6)

Castrol 06145 GTX 10W-30 Conventional Motor Oil

1 Quart, (Pack of 6)

by Castrol
What We like

Premium quality base oils and anti-wear additives to help extend the life of your engine

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Product Features

  • Superior protection against engine sludge* *As measured in the Sequence VG Sludge test
  • Advanced protection against viscosity and thermal breakdown
  • Helps minimize oil consumption
  • API SN/SM/SL/SJ; ILSAC GF-5/GF-4/GF-3

Advanced protection against viscosity and thermal breakdown Api sn/sm/sl/sj; ilsac gf-5/gf-4/gf-3 Superior protection against engine sludge* *as measured in the sequence vg sludge test Helps minimize oil consumption

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