The Mk4 (also know as GHD IV) generation of GHDs includes the following models:

• GHD 4.0b (Normal width plate) - parts listing / technical info
• GHD 4.1b (Normal width plate) - parts listing / technical info
• GHD 4.2b Type 1 and Type 2 (Normal width plate) - parts listing / technical info
  
• GHD MS4.0 Type 1 and Type 2 (Narrow plate) - parts listing / technical info
• GHD SS4.0  Type 1 and Type 2 (Wide plate) - parts listing / technical info
  

For the differences between the type 1 and type 2 versions see our type 1 vs type 2 page.

We have a repair guide that covers all these models (as they are all basically the same internally) here. If you don't fancy doing a repair yourself, all these models are covered by our fixed price repair service.

If you are unsure which model you have, please see our GHD models page which shows you pictures of all the different models.

• GHD 4.0 (35)
• GHD 4.1 (30)
• GHD 4.2 (81)
• GHD MS4.0 (23)
• GHD SS4.0 (39)