StuffBlaster · Household

Cheapest WD-40

Cheapest right now: WD-40 at Walmart, $0.698 per fl oz. Updated Jul 3, 2026

Every brand we track, ranked by per fl oz — in-stock prices only, no sponsored ordering.

WD-40 name brand

  1. Walmart$0.698 per fl oz · $8.38 pack
  2. Family-Dollar$0.938 per fl oz · $7.50 pack
  3. Kroger$0.999 per fl oz · sale · $7.99 pack

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