RETRUE keyless trailer coupler combination lock with a heavy-duty black metal body, silver locking pin, and four-digit combination dials.
RETRUE trailer coupler pin lock dimensions infographic showing the 1.1-inch locking span, overall measurements, four-digit combination dial, and 0.42 lb product weight.
RETRUE trailer coupler combination lock with waterproof coating, shown in rainy conditions to highlight protection against rain, snow, sun exposure, and dirt.
RETRUE trailer coupler combination lock featuring 10,000 possible combinations, a keyless locking mechanism, and an exploded view of its internal components.
RETRUE heavy-duty trailer combination lock with a hardened steel shackle, zinc alloy body, and rust-resistant lock core.
RETRUE trailer coupler pin lock secured to a trailer hitch, featuring heavy-duty steel construction and easy installation for trailers, RVs, boats, and trucks.
RETRUE trailer coupler combination lock shown securing a trailer coupler, chains, a door latch, and a storage case.

RETRUE Heavy Duty 4-Digit Combination Trailer Coupler Lock

Protect compatible trailers with a keyless 4-digit combination coupler lock featuring a hardened steel shackle, one-push locking, and a 1.1-inch maximum span.

$19.99 USD
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DESCRIPTION

This combination trailer lock combines a user-set 4-digit code, one-push locking mechanism, and hardened steel shackle. Its weather-resistant construction and keyless design make it a practical security option for compatible trailer couplers.

Fitment Guide

Keyless Combination Security: This trailer coupler lock uses a user-set 4-digit code, providing convenient access without a physical key. The one-push mechanism makes everyday locking straightforward.

Hardened Steel Shackle: The reinforced shackle is designed to resist cutting and sawing attempts. This heavy duty trailer lock adds a physical barrier against unauthorized access to compatible trailer couplers.

1.1-Inch Maximum Span: Designed for compatible latch configurations, this combination trailer coupler lock offers a maximum locking span of 1.1 inches. Measure your coupler and verify clearance before ordering.

Outdoor-Ready Construction: Weather-resistant materials help protect the lock during regular outdoor exposure to rain, dirt, and changing conditions. The design is suitable for compatible boat, RV, utility, and cargo trailers.

Convenient Everyday Use: The keyless design and one-push locking mechanism make this trailer security lock practical for parking, storage, and travel. Always check that the lock is fully engaged before leaving your trailer unattended.

SHIPPING & RETURNS

Shipping:
We ship our products primarily through USPS/UPS. All items will be shipped within 72 business hours upon receipt of payment (except Saturday and Sunday). Orders placed on weekend will be shipped within 4 days.

Returns:
Items purchased from RETRUE may be returned in original unused condition within 30 days from the date of purchase for a refund, to the original form of payment. All returns must be pre-approved by RETRUE. Otherwise, unauthorized returns will not be accepted.

Technical Specifications

Product Type: Trailer Coupler Combination Lock

Lock Type: 4-Digit Combination Lock

Maximum Locking Span: 1.1 inches

Locking Mechanism: One-Push Locking

Shackle Material: Hardened Steel

Body Material: Zinc Alloy, according to the product image

Lock Core: Rust-Resistant, according to the product image

Weather Resistance: Yes

Key Requirement: Keyless

Application: Compatible boat, RV, utility, cargo, and other trailer couplers

Fitment: Based on coupler latch shape, opening, and available clearance

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RETRUE trailer hitch and coupler locks for towing security, including ball mount lock, hitch pin lock and trailer coupler locks.