The DO45 locking mechanism repair kit allows you to restore your coupling lock if it has been damaged by excessive force. Easy to install and designed for a secure fit.
This repair kit replaces the internal locking mechanism of the DO45 coupling, ensuring safe and reliable towing performance. The kit is simple to fit with basic tools and is intended for situations where the original locking assembly has experienced excessive stress. To maintain safety records, certain information is required for all purchases.
Required Information:
Vehicle VIN Number
Coupling DOM / Batch Number (stamped into the coupling body)
Please include these details in your order comments.
If you are unsure about the condition of your coupling, contact customer service before purchasing.
Usually ships within 2–3 business days
Part Number: 18D-D045-REPAIR
