Ehaho Trailer Coupler Lock for 2-5/16" Couplers — Passcode Combination, Hardened Steel, Weatherproof

Ehaho Passcode Unlock Trailer Lock is a heavy-duty combination lock engineered to secure 2-5/16-inch couplers without a key while offering password recovery and weather protection.

This lock is purpose-built for trailers that use 2-5/16" A-frame or adjustable couplers—RV, boat, utility, and cargo trailers—and trades traditional keys for a precision combination core with included recovery keys and a one-step reset tool. Its hardened steel construction, sealed finish and unique hexagonal body focus on resisting cutting, twisting and impact attempts while remaining easy to install and operate in the field.

Will this lock fit my 2-5/16" coupler?

Yes, the Ehaho Passcode Unlock Trailer Lock fits standard 2-5/16" A-frame and adjustable couplers. Before buying, check whether your coupler has a high-profile trigger latch or a Posi-Lock top-mounted handle—those handles can interfere with installation.

• Designed specifically for 2-5/16" coupler openings.
• Not compatible with top-mounted high-profile trigger latches or Posi-Lock handles.
• Measure your coupler clearance to confirm a snug fit.

How secure is the combination mechanism?

The lock uses a Level 9 precision combination core inside a heavy-duty steel shell to deter theft and resist violent tools. The hexagonal body disperses torsion and impact forces, making prying and twisting far more difficult than cylindrical designs.

• Level 9 combination core prevents easy picking and duplication.
• Hardened carbon steel body and thick shell resist cutting and impacts.
• Hexagonal shape reduces leverage points for crowbars and wrenches.

What happens if I forget the combination?

Unlike standard coupler locks that become unusable when a key is lost, Ehaho includes recovery options. You can retrieve your code using the supplied keys or perform a one-step reset with the exclusive reset tool, so you won’t be locked out of your own trailer.

• Recovery keys included to retrieve forgotten combinations.
• One-step reset tool for easy code changes and reprogramming.
• No need to cut or destroy the lock to regain access.

Is this lock weatherproof for long-term outdoor use?

Yes—the unit is built from hardened carbon steel with a premium powder coating and airtight seals to resist moisture, salt and extremes of temperature. The sealed design keeps mud and grit out of the mechanism so the lock continues to operate smoothly with minimal maintenance.

• Powder-coated finish and airtight sealing prevent rust and corrosion.
• Sealed internals block mud and moisture to avoid jams.
• Durable in rain, snow, coastal and varied temperature conditions.

Who is this for: The Ehaho Passcode Unlock Trailer Lock is a practical choice for trailer owners who want high security without managing keys—ideal for RV owners, boaters, landscapers, and anyone who routinely parks or stores trailers in public or remote locations. It’s especially useful for users who need a robust, weatherproof lock that can be opened without replacing hardware if the code is forgotten.