Quick Summary
The Karcher K4 K5 Full Control Pressure Washer Set Back Foot is a replacement part for the K4 and K5 series. It is identified with part number 4.100-775.0, and the description also gives manufacturer part number 9.002-437.0. Check the exact machine model before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Back foot set for a pressure washer. |
| Brand | Karcher. |
| Series | K4 and K5 Full Control series. |
| Part number | 4.100-775.0. |
| Manufacturer part number | 9.002-437.0. |
What to Compare Before Buying
- Exact model: This part is listed for Karcher K4 and K5 series machines. Match your machine model before ordering.
- Part number: Compare 4.100-775.0 and 9.002-437.0 with the replacement part you need.
- Product type: It is a back foot set, so check that this is the component you are replacing rather than another washer part.
Compatibility, Size and Fit
This replacement part is linked to Karcher K4 and K5 series pressure washers. The key check is whether your machine matches those series and the part numbers shown. Do not rely on visual similarity alone.
Before You Decide
Confirm your pressure washer is a Karcher K4 or K5 series machine, and check that the part numbers match the component you need. If your machine is from a different series, this part is unlikely to be the correct fit.





