Castrol EDGE Euro 5W-40 A3/B4 Advanced Full Synthetic Motor Oil, 5 Quarts
Castrol EDGE Euro 5W-40 A3/B4 Advanced Full Synthetic Motor Oil, 5 Quarts
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Castrol EDGE Euro 5W-40 A3/B4 Advanced Full Synthetic Motor Oil, 5 Quarts

4.8 stars out of 1520 reviews
(4.8)|
1,520 ratings
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Key item features

  • Enhanced Viscosity: 1.2X better viscosity control to help engines run better for longer*
  • Superior Cleanliness: 2X better engine cleanliness to help maximize engine performance*
  • Approved Specifications: Meets ACEA A3/B4, API SP, BMW Longlife-01, MB 229.5, Porsche A40, Renault RN0700/RN0710, VW 502 00/505 00
  • Chrysler Compliance: Meets engine test requirements of Chrysler MS 12991
  • European Car Focus: Engineered to exceed manufacturer test limits for European cars
  • Maximum Protection: Formulated to deliver maximum protection and performance under intense pressure, heat, and friction
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Current price is $27.4817.2 ¢/oz
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4.8 out of 5 stars
stars1,520 ratings544 reviews
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Pros
  • : Meets or exceeds european vehicle specifications.
  • : Provides quiet and efficient performance.
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Showing 1-3 of 544 reviews

Apr 28, 2025
Jane
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Best Motor Oil for My SUV

Castrol EDGE Euro 5W-40 A3/B4 Advanced Full Synthetic Motor Oil is the only oil that is used for maintaining my GLC 300. It keeps my engine running smoothly and I have had zero (crossing my fingers) problems with the engine. The SUV is 7 years old and very low mileage, so I want to keep it maintained.

Helpful?dfcf02e0-d40b-11f0-ac61-41720b250fb9145736795
Dec 21, 2025
Evan
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Delivered right to my door quick and secure! excellent value for the money and runs excellently in my high mileage early model Euro Cars! Definitely recommend.

Helpful?dfcf02e0-d40b-11f0-ac61-41720b250fb9145736795
Jan 27, 2026
DOMINGO
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Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Two day delivery.

Always cheaper and delivered the next day. The Castro oil doesn't have a lot of blowby like other oil brand, in other words don't have to fill oil every 1000miles or so.

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