Can the InfiniteRule Lock for Demco eZ-Latch Trailer Couplers Be Keyed Alike?
Updated 12/01/2025 | Published 11/28/2025 >
Products Featured in This Question
Question:
Is it possible to get two, keyed alike InfiniteRule Lock for Cast Demco eZ-Latch Trailer Couplers - 2 and 2-5/16? I have two trailers with the same coupler. Thanks
asked by: Oliver S
Expert Reply:
Hey Oliver, welcome back. The InfiniteRule Lock for Cast Demco eZ-Latch Trailer Couplers item # IR66FR can not be keyed alike.
To get multiple locks keyed alike that are compatible with the Demco EZ-Latch like item # 12660-97SP, you'll need to go with our etrailer Surge Brake Coupler Lock item # e98887 for a 2-1/2" span or item # e39PR for a 2-3/4" span.
Please note that you will need to purchase the locks at the same time and select the "keyed alike" option from the drop down above where it says add to cart.
What kind of trailers do you have?
You can add this information and any other questions you have where it says Reply to Jerred H and I'll be happy to answer them.
Product Page this Question was Asked From
Demco 50-Degree A-Frame Trailer Coupler w/ Jack Hole - eZ-Latch - Primed - 2-5/16" Ball - 21K
- A-Frame Trailer Coupler
- Standard Coupler
- 50-Degree Frame
- Weld-On
- 21000 lbs GTW
- 2-5/16 Inch Ball Coupler
- Auto Latch
- 2-1/4 Inch Hole
- Standard Grade
- Demco
more information >
Featured Help Information
Instructions
Continue Researching
- Shop: etrailer Surge Brake Coupler Lock - 3-3/8" Span - 1/4" Diameter - Chrome
- Shop: Demco Trailer Coupler - Cast - Adjustable Channel - eZ-Latch - Black - 2-5/16" Ball - 21K
- Shop: etrailer Trailer Coupler Latch Lock - 2" Span - 1/4" Diameter - Chrome
- Q&A: Coupler Lock Recommendation for Demco EZ Latch Style Coupler
- Shop: etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter - Chrome
- Shop: etrailer Trailer Coupler Latch Lock - 2-3/4" Span - 1/4" Diameter - Chrome
- Shop: InfiniteRule Lock for Cast Demco eZ-Latch Trailer Couplers - 2" and 2-5/16"
- Shop: Windshield Covers
- Shop: Demco 50-Degree A-Frame Trailer Coupler w/ Jack Hole - eZ-Latch - Primed - 2-5/16" Ball - 21K
- Video: etrailer Trailer Coupler Latch Lock Spec Review
- Shop: Suspension Enhancement
- Q&A: What is the Difference Between a Class II and a Class III Hitch?
- Search Results: trailer hitch
- Video: Firestone Ride-Rite Air Bags with Easy Mount Compressor Feature Breakdown
- Article: Trailer Wiring Diagrams
- Shop: Trailer Hitch
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Search Results: trailer tires and wheels
- Q&A: Firestone Air Bags for 2026 Ford F-350 FX4 Dually
- Shop: Trailer Wiring
- Search Results: trailer wiring
- Article: How to Measure for Trailer Hitch Drop
- Q&A: How to Replace a Lance 6-Pin Plug w/ a Standard 7-Way Connector
- Search Results: trailer jack
- Shop: Brake Controller
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Q&A: What is the Difference Between Load Range C and D ST175/80D13 Trailer Tires
- Search Results: suspension enhancement
- Q&A: How Does The Furrion Chill Cube Thermostat Get Wired To The AC System
- Shop: Gooseneck Hitch



Oliver S.
12/1/2025
So the etrailer Trailer Coupler Latch Lock - 2-3/4" Span - 1/4" Diameter - Chrome Part Number: e39PR will fit the Demco 2 5/16" cast coupler, right? If so, I'll buy two of them right now! Thanks, Oliver