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WD-40 Direct Injection Fuel System Cleaner Advanced Synthetic by WD-40 - American Made
100%

WD-40 Direct Injection Fuel System Cleaner Advanced Synthetic

by WD-40— Made in San Diego, CA

Verified American Made

American Score

88% — High

Why not 100%? Full verification requires additional independent sources

Manufactured in San Diego, CA
Manufacturing in USA since 1953

Verified through 3 independent sources

  • Known factory location
  • Brand website
  • Product listing

Evidence Breakdown

Factory: City-level verified
Website claim: Yes
History: 20+ years
Overseas lines: None known
See all products made in California

Advanced synthetic fuel system cleaner for direct injection engines. Made in USA. Cleans GDI injectors, intake valves, and combustion chambers. Helps prevent rough idle and rough starts.

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WD-40 Direct Injection Fuel System Cleaner Advanced Synthetic

88% American Score
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