(Gen.1) DO45 Locking Mechanism Assembly Repair Kit

(Gen.1) DO45 Locking Mechanism Assembly Repair Kit

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The DO45 locking mechanism repair kit allows you to repair your coupling lock if it has been hit with excessive force.

The replacement locking mechanism is easy to fit and can be installed with minimal hassle.

Cruisemaster™ takes safety very seriously, the locking mechanism is a vital element in the design of the coupling and to ensure our records on this safety component is kept up to date the following information is needed for all purchases.


Required information

Vehicle VIN Number:

Coupling DOM / Batch Number (stamped into body of coupling):   


Please include these details in the comments section of your order.


If in any doubt if your coupling is in a safe working condition please contact our customer service team to discuss before purchase.



1 Review

  • 5
    Do 45 repair kit.

    Posted by [email protected] on 18th Apr 2022

    excellent quality very easy installations