WD-40 is a lubricant.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that WD-40 is a lubricant?

Yes. Multiple reference sources state directly that WD-40 is a lubricant, including an encyclopedia entry describing it as acting as a lubricant and two books stating it plainly. A few incidental mentions also refer to it as a spray lubricant.

Verdict: SUPPORTED · 7 sources for, 0 against · Last checked 18 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7

WD-40

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WD-40. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/WD-40

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More for · 6

WD - 40

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WD - 40. (n.d.). dbpedia.org. http://dbpedia.org/resource/WD-40

Can WD-40 Really Do All That?

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Can WD-40 Really Do All That?. (n.d.). snopes.com. https://www.snopes.com/fact-check/household-uses-for-wd-40/

Exogenous lipoid pneumonia due to inhalation of spray lubricant (WD-40 lung).

1990

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Glynn, K. P. & Gale, N. A. (1990). Exogenous lipoid pneumonia due to inhalation of spray lubricant (WD-40 lung).. doi.org. https://doi.org/10.1378/chest.97.5.1265

Coring lubricants can increase soil microbial activity in Vertisols.

2019

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Polain, K., Joice, G., Jones, D., Pereg, L., Nachimuthu, G., & Knox, O. G. G. (2019). Coring lubricants can increase soil microbial activity in Vertisols.. doi.org. https://doi.org/10.1016/j.mimet.2019.105695

All about your car

1997

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1950-, K. D. N. & 1957-, R. J. (1997). All about your car. archive.org. https://archive.org/details/allaboutyourcar00klin

Promotion : analysis, creativity, and strategy

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P, D. W. (n.d.). Promotion : analysis, creativity, and strategy. archive.org. https://archive.org/details/promotionanalysi00domm

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