The company is situated in Randburg, JHB from where we have been conducting business for the past 19 years.

We have established long-term relationships with OE manufacturers by supplying high quality, cost-effective components on time, without any warranty claims or rejected parts to date.

Our Suppliers
Being based in JHB, we have unlimited access to sub suppliers manufacturing rubber, plastic and nylon components, etc. with whom we have established good relationships over the years.


Diamond Components Manufacturing / Diamond Lock Systems (Pty) Ltd, was established in 1995 and actively develops and manufactures engineering products and is a supplier of various assemblies and products to the Motor industry.

We have advanced design and manufacturing facilities in Johannesburg, South Africa and also manufacture high volume components to the motor industry.

We support the aims of BBBEE and currently have Level 6 recognition. Thus 85% of the value of purchases from our company can be carried onto your scorecard. 


Diamond is committed to a policy of total assurance directed at achieving the following objectives:

  • Provide our customers with assurance that our products meet their specifications.
  • Guarantee our products for a minimum of one year.
  • Meet agreed delivery schedules and quickly responding to customer requirements
  • Build goodwill with our customers by consciously improving our product range
  • Improve our competitiveness in manufacturing processes and eliminate waste


We will meet these objectives by:

  • Developing quality awareness  in our managements and staff through continuous communication of our quality policy
  • Commitment to quality control and self discipline in following agreed procedures and work instructions
  • Regularly reviewing the performance of our suppliers and our company
  • Training our management and staff in new processes and appropriate technology



We have a fully equipped Press Shop, where we manufacture and assemble a vast variety of components.

We offer 3 D Scanning, Solid/ Surface Modelling, Reverse Engineering, Quality Controll, 3 D Printing facilities available in Johannesburg.

We produce a variety of vehicle security products and other components for the automotive industry, including Diamond Gearlocks, Spare Wheel Locks, Internal Pin Locks, and vehicle specific security products. Our Spare Wheel locks are patented and currently factory installed by Renault Nissan SA. 



We have successfully obtained the ISO /TS 16949:2002 Certification and the Renault Nissan Asses Audit.