4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected
*Price sourced from Amazon.com. Last updated 2026-05-26. Price and availability subject to change.
Bottom line: The 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected is a category leader on buyer feedback in the PC & gaming hardware category, priced around $11.99, rated 4.7★ across 480 verified Amazon reviews. A confident buy for most shoppers in this category.
SpecPicks Verdict
SpecPicks classifies Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable… as a category leader on buyer feedback in the PC & gaming hardware category, based on 480 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Oyviny'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 PC & gaming hardware 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 — 4.7★ average across customer reviews
- ✓ Backed by Oyviny'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
- 4 Pin Trailer Extension: 4 pin trailer wiring harness is suitable for any types of trailers including marine boat trailer, horse trailer and other cargo utility trailers as long as it has a 4-way trailer connection; Note: The designed length of this coiled cable is 3ft(36 inches), while the normal working length should be about 28 inches, please confirm the length you need before ordering
- Coiled Design: The coil design makes the wire does not drag but yet allows for the extra length needed for tight turns with a trailer, stretchable coiled wire keeps memory and effectively weatherproof
- Sturdy Construction: Molded 4 pin trailer connector wiring is made of Pure Copper wires, Brass and Tin-Plated terminal ensure great conductivity; Standard 4 pin female connector equipped with a rubber dust cover to protect the connector from dust and water
- Temperature-Resistant PU Sheath: 4 pin flat trailer extension wire is constructed with 18AWG wires, the whole wiring is wrapped and protected by PU sheath, which is abrasion resistance and high temperature resistance, ensure good performance in various situation
- Easy Plug and Play: This 4 wire trailer lighting extension cable comes ready to plug into the existing 4 pole plug on your vehicle and trailer, No Splicing Required; 4 way connectors features tabs on the sides for a better grip when plugging and unplugging
Full Specifications
| Brand | Oyviny |
|---|---|
| Color | 4 Pin Extension Coiled Cable- 3 Feet |
| Gauge | 18 |
| Wattage | 110 watts |
| Plug Type | Type F |
| UL Listed | No |
| Item Length | 3 Feet |
| Plug Format | Type F |
| Model Number | OV2133-001 |
| Mfr Part Number | OV2133-001 |
| Connector Gender | Female-to-Female |
| Has Extension Cord | Yes |
| Indoor Outdoor Usage | Outdoor |
| Power Cord Prong Count | 4 |
Ready to buy?
Oyviny 4 Way Flat Trailer Extension Coiled Cable 3 Feet Stretchable 18AWG Vehicle-Side and Trailer-Side 4-Pin Trailer Wiring Harness Pure Copper Wires High Temperature Resistant PU Sheath Protected 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 2026-05-26. Price and availability subject to change.