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Prices may varyThis product ranks #16 of 23 in Motor Oil.Three above it ↓
Last reviewed May 27, 2026
TL;DR API SQ + ILSAC GF-7A certified · the current top-tier spec as of 2026, with GM dexos1 Gen 3, Ford, and Chrysler approvals confirmed on the bottle label. The 20,000-mile drain claim runs ahead of community data, which shows roughly 8,000·10,000 miles on typical daily-driver use. Prop 65 warning applies.
Full synthetic 0W-20 certified to API SQ + ILSAC GF-7A · the latest gasoline engine specification, which launched in March 2025 and succeeds GF-6A with improved fuel economy retention and chain wear protection. Confirmed OEM approvals include GM dexos1 Gen 3, Ford WSS-M2C962-A1, and Chrysler MS-6395, all verified from the bottle back label. The front label notes hybrid-vehicle compatibility. The 20,000-mile drain interval is the manufacturer's ceiling under favorable conditions; community used-oil analysis from the EDGE product line shows 8,000·10,000 miles as the realistic window on stop-and-go daily driving. A second independent UOA data point would strengthen confidence in extended-drain claims.
Best for owners of 2020+ GM vehicles requiring dexos1 Gen 3 and Ford/Chrysler applications specifying 0W-20 who want a top-tier spec in the current GF-7A generation. Also a strong option for hybrid vehicles. Skip if your application is a pre-2010 engine where anti-wear additive loading matters more than modern fuel-economy specs · the additive package is not independently disclosed and may not suit high-wear applications. Confirm your OEM's required viscosity grade and approval code before switching.
The SDS classifies this as Not classified · no GHS signal word, no H-codes at mixture level. H304 aspiration hazard does not apply (KV40 = 43 mm²/s, well above the CLP viscosity exemption threshold). The California Prop 65 warning on the bottle back label (Cancer and Reproductive Harm) is the basis for that label · the SDS uses a Canada/US format that omits Prop 65 from §15, so the bottle label is the primary source. The SDS on file was revised in February 2023 · 3 years old, reflecting the current formula generation. SDS §12 contains no aquatic toxicity data ("no testing has been performed"). Used oil goes to collection · not down the drain or on the ground. AutoZone, O'Reilly Auto Parts, and most municipal hazardous-waste facilities accept used motor oil.
Yes. Castrol EDGE 0W-20 is certified to ILSAC GF-7A, the top-tier gasoline engine oil specification launched in March 2025 (succeeding GF-6A). GF-7A adds improved fuel economy retention and chain wear protection over GF-6A. Castrol was an early adopter, with GF-7A certification confirmed on the bottle label. api.org database confirmation was pending as of 2026-05-27 · if you need documentation for warranty purposes, the manufacturer product page and bottle label are the primary references until the api.org entry is complete.
Yes. Castrol EDGE 0W-20 carries GM dexos1 Gen 3 approval, license number D355BWFJ082, confirmed on the bottle back label. GM dexos1 Gen 3 is required for 2020+ GM gasoline vehicles to maintain the powertrain warranty. The approval is grade-specific · this 0W-20 approval covers 0W-20 applications; confirm the viscosity grade matches your owner's manual requirement.
Yes, two Ford approvals appear on or in the product documentation: Ford WSS-M2C962-A1 is confirmed on the bottle back label for this 0W-20 grade. Ford WSS-M2C947-B1 also appears in the Amazon product listing feature bullets. Both approvals are 0W-20-specific · Ford approvals are viscosity-grade-specific and do not carry over to other grades. Confirm your vehicle's required Ford approval code in the owner's manual.
The bottle claims 20,000 miles or one year, whichever comes first. Community used-oil analysis (UOA) data from Bob Is The Oil Guy (BITOG) forum threads covering the Castrol EDGE line shows the additive package holding up to roughly 8,000·10,000 miles on typical daily-driver use; extended intervals toward 15,000·20,000 miles require highway-dominant, low-stress driving conditions. Only one UOA thread was found for the EDGE line specifically · a second independent UOA source would strengthen confidence in the extended interval claim. Use the 20,000-mile target as the ceiling under optimal conditions, not as a universal expectation.
The Prop 65 warning on the bottle back label states 'Cancer and Reproductive Harm · P65Warnings.ca.gov.' This warning is common on petroleum-base engine oils sold in California. The specific listed substance in the additive package is not individually disclosed in the SDS (proprietary additive formulation), but the warning on the label is the legally required disclosure. It reflects potential exposure during handling and is unrelated to the performance of the oil in your engine.
Marketing copy from Castrol, via Amazon. Not editorial.
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