Premium hitch coupler housing designed for trailer towing systems. Heavy duty trailer coupler body providing secure, long‑lasting connection between trailers and tow vehicles. OEM trailer coupler housing supplier with customizable options.
The Hitch Coupler Housing from Rongda Metal is a core structural component of trailer towing systems that provides a secure, durable connection between the trailer tongue and the tow vehicle’s hitch ball. Designed for heavy‑duty applications, this trailer coupler housing is engineered to withstand high loads, rugged terrain and frequent use across utility trailers, boat trailers, RVs and commercial towing equipment.
The hitch coupler housing is the main body of a trailer coupler assembly where the hitch ball interfaces with the trailer tongue. It is usually bolted or welded onto the trailer tongue and provides the structural support for latch mechanisms, internal linkage and the rotating action over the hitch ball.
This component is a crucial part of any trailer hitch system — it must be precisely engineered to match hitch ball dimensions, load capacity ratings, and safety standards to ensure secure coupling and towing. Proper selection of a coupler housing based on trailer and vehicle specs is essential for safe and efficient towing.
Constructed from high‑strength steel or alloy materials, our coupler housing offers superior durability and rigidity required for repeated towing operations.
Designed to fit standard hitch ball sizes like 1‑7/8″, 2″, and 2‑5/16″, ensuring compatibility with a wide range of tow vehicles and couplers.
Finished with zinc plating, powder coating or galvanization to protect against rust, corrosion and environmental wear — ideal for marine, road salt and outdoor environments.
Works with straight tongue, A‑frame and adjustable coupler mechanisms, providing flexibility for various trailer designs and towing standards.
Supports OEM customization such as specific hole patterns, finishes, load ratings and branding — ideal for trailer manufacturers, fleet suppliers and aftermarket distributors.
| Specification | Detail |
|---|---|
| Product Name | Hitch Coupler Housing / Trailer Coupler Body |
| Material | High‑Strength Steel / Alloy Steel |
| Finish | Powder Coated / Galvanized / Zinc Plated |
| Compatible Hitch Sizes | 1‑7/8″, 2″, 2‑5/16″ (Standard) |
| Application | Trailer Towing Systems |
| Coupler Type | Straight Tongue, A‑Frame, Adjustable |
| OEM/Custom | Supported |
| Origin | China |
The trailer coupler housing serves as the central structure that houses the internal coupling mechanism and interfaces with the tow vehicle’s hitch ball. It integrates the latch, locking components, pivot surfaces and mounting points onto the trailer tongue. When properly installed and matched with the correct hitch ball size, the coupler housing ensures the trailer is securely connected and able to pivot smoothly during towing.
Industrial Grade Quality: Built from high‑strength materials for durable performance.
Precision Engineering: Designed for accurate fit with standard hitch balls and couplers.
Corrosion Protection: Coated finishes offer long service life even in harsh environments.
OEM & Custom Solutions: Tailored housing configurations and branding support.
Reliable B2B Supplier: Experienced China factory with export capability for global markets.
No. 7, inside No. 345, Linfu West Street, Yingdong Village, Beian Sub-district Office, Jimo District, Qingdao City, Shandong Province
