Gail Honeyman(Author)
Seamaka
4 Way Flat Trailer Extension Coiled Cable, 4 Pin Trailer Wire Extension Harness Male and Female Stretchable Coiled with Dust Cover 36"/3 FT 18 Guage
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies 4 Way Flat Trailer Extension Coiled Cable, 4 Pin Trailer Wire Extensi… as a category leader on buyer feedback in the power supplies & cables category, based on 251 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Seamaka's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.8★ average across customer reviews
- ✓ The package includes: a 4-way flat trailer extended coiled cable.
- ✓ Backed by Seamaka's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Design features: The coiled design can prevent the wire from being dragged, but still allow the extra length required for the trailer to turn sharply. The stretchable coil wire provides enough space and flexibility for towing the vehicle and trailer.
- Scope of application: suitable for marine trailers, horse-drawn trailers, motorcycle trailers, ATV trailers and other multi-purpose freight trailers.
- Product specification: Wire specification: 18AWG, the total length is 3.2 feet (39.4 inches) when fully unfolded, and the normal working length should be about 28 inches.
- Plug and play: easy to use, plug and play, no splicing, and equipped with rubber dust cap, which can avoid the influence of dust and water and prolong its service life.
- The package includes: a 4-way flat trailer extended coiled cable.
Full Specifications
| Brand | Seamaka |
|---|---|
| Color | Black |
| Gauge | 18.0 |
| Plug Type | Type H |
| UL Listed | No |
| Unit Count | 1.0 Count |
| Item Length | 39.4 Inches |
| Plug Format | Type H |
| Model Number | O-P-045-1m |
| Mfr Part Number | CAO-P-045-1m |
| Connector Gender | Male-to-Female |
| Number of Outlets | 3 |
| Number Of Conductors | 4 |
| Scope of application | suitable for marine trailers, horse-drawn trailers, motorcycle trailers, ATV trailers and other multi-purpose freight trailers. |
Ready to buy?
4 Way Flat Trailer Extension Coiled Cable, 4 Pin Trailer Wire Extension Harness Male and Female Stretchable Coiled with Dust Cover 36"/3 FT 18 Guage is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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