Name: Trailer Coupler Lock, Fits Multiple Sizes, Up to 2-5/16 in
Brand: Master Lock
SKU: P63547
Price: 39.18 USD
Availability: InStock

Trailer Coupler Lock, Fits Multiple Sizes, Up to 2-5/16 in

Low Stock

Color — Gray

Gray

Shipping calculated at checkout.

[{"id":52345085624687,"title":"Gray","option1":"Gray","option2":null,"option3":null,"sku":"P63547","requires_shipping":true,"taxable":true,"featured_image":{"id":35111204847777,"product_id":7512090181793,"position":1,"created_at":"2022-08-26T08:32:48-05:00","updated_at":"2025-08-27T14:56:22-05:00","alt":null,"width":1000,"height":1000,"src":"\/\/store.masterlock.com\/cdn\/shop\/products\/377DAT_01_hero.jpg?v=1756324582","variant_ids":[52345085624687]},"available":true,"name":"Trailer Coupler Lock, Fits Multiple Sizes, Up to 2-5\/16 in - Gray","public_title":"Gray","options":["Gray"],"price":3918,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"71649047954","featured_media":{"alt":null,"id":28397122289825,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/store.masterlock.com\/cdn\/shop\/products\/377DAT_01_hero.jpg?v=1756324582"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

Free shipping*

Expert customer service

Secure payments

Features

Trailer coupler lock fits 1-7/8 in, 2 in and most 2-5/16 in couplers
Advanced locking mechanism resists picking and prying
Quick installation and removal
Rust and corrosion resistant for outdoor use
Fits couplers up to 2-5/16 in
Limited Lifetime Warranty

*Applies to items shipped within the contiguous United States only. View Shipping Policy

Security Level

This trailer coupler lock offers secure protection for your trailer with a design that fits 1-7/8 in, 2 in and most 2-5/16 in couplers. The advanced locking mechanism helps prevent tampering.

Product Details

Specifications

Product Number:

377DAT

Lock Type:

Keyed

Description:

Keyed Different

Shelf Pack Qty:

0

Master Carton Qty:

4

Color:

Gray

Best Used For: Outdoors

Marine & Offshore Security
Trailers, Trucks, & Towing
Trailers, Vans & Moving Trucks

Service & Support

Limited Lifetime Warranty