Harbor Freight prices › Automotive › Diagnostic Testing Scanning
LEAKFINDERitem 72991
1 oz. Oil-Based Dye
Base price$9.99
Benton Harbor, MI shelf$8.99$1.00 under the online shelf price 1 more store
Herkimer, NY shelf$9.99same shelf price as online 1 more store
Hasn't budged from $9.99 in 631 days. This price is load-bearing; waiting won't move it.
Price alert
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The numbers
- Today
- $9.99
- Usual price
- $9.99
- 90-day low
- $9.99
- Lowest tracked
- $9.99
- Napa equivalent
- $14.99
Oct 24, 2026
Prices by store
Harbor Freight prices some items differently by store, and once you pick a store its site shows that store's shelf price. These come from contributors who share their store; the main price above is the base price, the one HF shows before you pick a store.
| Store | Today | Usually |
|---|---|---|
| Benton Harbor, MI store 583, checked Oct 20, 2026 | $8.99$1.00 under | $8.99 |
| Herkimer, NY store 3140, checked Nov 3, 2026 | $9.99 | $9.99 |
Price history
$9.75$10$10.25
MarMayJulSepNovJan ’26MarMayJulSep
Best price for anyoneRegular price
Every price change
| When | Price | Why |
|---|---|---|
| Feb 1, 2025 to Oct 24, 2026631 days, checked 3x | $9.99 | Regular price |
Tracking since Oct 16, 2026. Last checked Oct 17, 2026.