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Browsing Category

OEM Approvals

51 posts
  • OEM Approvals

Approval Numbers on Labels: What They Usually Indicate

regulatory approval identification marks
Understanding approval numbers on labels helps verify a product’s safety and compliance—discover what these codes truly indicate to ensure quality assurance.
  • OilSpec Guide Team
  • February 25, 2026
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  • OEM Approvals

The ‘Approved Oils List’ Myth: Where to Look for Real Verification

debunking approved oils list
Better sources for verifying oils go beyond official lists—discover what truly guarantees quality and safety in your choices.
  • OilSpec Guide Team
  • February 25, 2026
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  • OEM Approvals

Ford WSS-M2C… Codes: How to Decode the Letters and Numbers

decoding ford oil specification codes
Many Ford WSS-M2C codes reveal precise fluid and filter requirements, but decoding the letters and numbers can unlock vital information for your vehicle.
  • OilSpec Guide Team
  • February 24, 2026
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  • OEM Approvals

dexos1 Gen 2: What ‘Gen’ Means in an Approval System

lubricant certification generations
Unlock the meaning behind “Gen” in dexos1 Gen 2 and discover how it influences modern engine performance and protection.
  • OilSpec Guide Team
  • February 24, 2026
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  • OEM Approvals

GM dexos1 Vs dexos2: Don’T Mix These up

different gm oil specifications
Learn why GM dexos1 and dexos2 shouldn’t be mixed and how choosing the right oil can protect your engine’s performance.
  • OilSpec Guide Team
  • February 23, 2026
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  • OEM Approvals

Porsche A40 vs C30: Why ‘Porsche Approved’ Isn’t One Approval

different porsche certification standards
Many drivers are surprised to learn that “Porsche Approved” varies significantly, with A40 and C30 offering distinct coverage and costs—discover why.
  • OilSpec Guide Team
  • February 23, 2026
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  • OEM Approvals

BMW LL-01 vs LL-04: The Diesel Filter Factor (Simplified)

bmw diesel filter comparison
Understanding BMW LL-01 versus LL-04 filters can impact your vehicle’s performance; discover which filter suits your driving needs best.
  • OilSpec Guide Team
  • February 22, 2026
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  • OEM Approvals

Mercedes MB 229.51 Vs 229.52: the Small Change That Matters

comparison of mercedes standards
Narrowing down between Mercedes MB 229.51 and 229.52 could significantly impact your engine’s longevity—discover what the small change that matters is.
  • OilSpec Guide Team
  • February 22, 2026
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  • OEM Approvals

Mercedes MB 229.5 Vs 229.51: the Approval Split Explained

comparison of lubricant approvals
I’m here to clarify the key differences between Mercedes MB 229.5 and 229.51 approvals that could impact your vehicle’s performance—discover which is right for you.
  • OilSpec Guide Team
  • February 21, 2026
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  • OEM Approvals

VW 504 00 Vs 507 00: Why These Two Are Often Paired (But Not Identical)

compatibility of vw standards
An in-depth look at VW 504 00 and 507 00 reveals why these oils are paired but not interchangeable, highlighting their distinct engine needs.
  • OilSpec Guide Team
  • February 21, 2026
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15 Best Automotive Oil Filter Wrench Sets for Easier Oil Changes in 2027
  • Vetted

15 Best Automotive Oil Filter Wrench Sets for Easier Oil Changes in 2027

Compare 15 automotive oil filter wrench sets by fit, tool style, versatility, and…
  • OilSpec Guide Team
  • November 10, 2026
10 Best Automotive Garage Air Compressors for 2027
  • Vetted

10 Best Automotive Garage Air Compressors for 2027

Compare 10 automotive garage air compressors by capacity, airflow, portability, noise…
  • OilSpec Guide Team
  • November 10, 2026
Ford's Radical New EV Manufacturing Process Is Already Building Trucks
  • General

Ford’s Radical New EV Manufacturing Process Is Already Building Trucks

Ford says it has built the first Fathom electric pickups on its Louisville line, with…
  • OilSpec Guide Team
  • November 10, 2026
Elon Musk Insists Cybertruck Made Tesla Money Despite 4-Year Run: TDS
  • General

Elon Musk Insists Cybertruck Made Tesla Money Despite 4-Year Run: TDS

Elon Musk says the Cybertruck was not discontinued because it lost money, while Tesla…
  • OilSpec Guide Team
  • November 10, 2026
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