Hilti does not openly publish full parts diagrams on consumer websites (to combat counterfeit parts). However, you can obtain the diagram through:
Hilti Service Center (Regional):
Third-Party Repair Manuals:
Authorized Distributors:
Warning: Avoid random image searches for “Sid 4 A22 diagram.” Many show the older Sid 2-A22 or even a completely different brand. Verify the chuck size and battery rail shape. Hilti Sid 4 A22 Parts Diagram
If your hex chuck (Item 01) is broken, you find Item 01 in the diagram index. It might say:
01 – 2143782 – Hex Chuck & Sleeve Assembly (Sid 4 A22) – Qty 1
Do not assume parts from other Hilti models (like Sid 2-A22) fit. The gear ratios and housing molds differ. Hilti does not openly publish full parts diagrams
Example format: 2143657 (Hilti’s 7-digit numeric system)
📌 Always order by Hilti part number – not description alone. Hilti Service Center (Regional):