Harbor Freight prices › Air Tools & Compressors › Air Compressor Accessories
MERLINitem 63547
1/4 in. Female Steel Industrial Coupler
Base price$3.99
Benton Harbor, MI shelf$3.99same shelf price as online
$3.99 is about its normal price.
In-store only. You can't order this one online.
Price alert
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The numbers
- Today
- $3.99
- Usual price
- $3.99
- 90-day low
- $3.39
- Lowest tracked
- $2.00
- Milton equivalent
- $13.59
Jul 30, 2025
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 27, 2026 | $3.99 | $3.99 |
Price history
$2$3$4
AugJan ’23JunNovAprSepFebJulDecMay
Best price for anyoneInside Track Club priceRegular price
Every price change
| When | Price | Members | Why |
|---|---|---|---|
| Nov 2, 2026 to Nov 5, 20264 days, checked 0x | $3.99 | Regular price | |
| Oct 30, 2026 to Nov 1, 20263 days, checked 1x | $3.3915% off | 15% off any single item (one item a day) | |
| Oct 29, 20261 day, checked 0x | $3.99 | $3.39 | Regular price |
| Jun 5, 2026 to Oct 28, 2026146 days, checked 2x | $3.99 | Regular price | |
| May 22, 2026 to Jun 4, 202614 days, checked 0x | $3.0025% off | Coupon | |
| Jul 31, 2025 to May 21, 2026295 days, checked 0x | $3.99 | Regular price | |
| Jul 17, 2025 to Jul 30, 202514 days, checked 0x | $2.0050% off | Coupon | |
| May 9, 2025 to Jul 16, 202569 days, checked 1x | $3.99 | Regular price | |
| Apr 22, 2025 to May 8, 202517 days, checked 0x | $3.69 | Regular price | |
| Apr 8, 2025 to Apr 21, 202514 days, checked 0x | $3.0019% off | Coupon | |
| Oct 6, 2024 to Apr 7, 2025184 days, checked 0x | $3.69 | Regular price | |
| Sep 22, 2024 to Oct 5, 202414 days, checked 0x | $3.0019% off | Coupon | |
| Jul 24, 2024 to Sep 21, 202460 days, checked 1x | $3.69 | Regular price | |
| Oct 28, 2022 to Jul 23, 2024635 days, checked 1x | $3.49 | Regular price | |
| Jun 5, 2022 to Oct 27, 2022145 days, checked 1x | $3.39 | Regular price |
Tracking since Oct 17, 2026. Last checked Nov 1, 2026.