HAA450 Rear Axle Drive schema - repair / rebuild / overhaul parts catalog
Rear Axle Drive application in vehicles: Audi Q3; TT*
*For reference purposes only. When choosing spare parts, you can only rely on the OE number of your transfer case (taken from its housing) to identify its model. Otherwise, you risk ordering spare parts for a transfer case of a different revision or even a different model.
HAA450 Rear Axle Drive OE numbers**:
0BS525010A, 0BS525010B, 0BS525010C, 0BS525010G, 0BS525010H, 0BS525010J, 0BS525010K, 0BY525010, 0BY525010A, 0BY525010B
**Manufacturers tend to release different revisions with numbers that may be outside this list. You can ask us for assistance if you don't find your number.
Diagram User's Guide:
- Choose the number in the schema to see all the offers containing the selected spare part.
- For some transfer cases, the item can depend on the unit's OE number - please read the info notes.
- To proceed to the spare part's detailed description, click the link with the part's name in the table below.
- If any part you're looking for seems unavailable, please don't hesitate to ask us about it.
| Pos | OEM No | Name | Quantity | Info |
| 2 | Screw | 4 | ||
| 3 | Center Differential Assembly | 1 | ||
| 5 | Oil Guide Plate | 1 | ||
| 6 | Retaining Ring | 1 | ||
| 7 | Shim | 1 | ||
| 8 | Tapered Roller Bearing | 1 | Available in: K01 | |
| 9 | 02D525275M | Radial Sealing | 1 | Available in: K02 |
| 10 | Tapered Roller Bearing | 1 | Available in: K01 | |
| 11 | Shim | 1 | ||
| 12 | Gear Pinion | 1 | ||
| 13 | Shim | 1 | ||
| 14 | 02D525596F | Radial Seal Ring | 2 | Available in: K02 |
| 15 | A0049949840 | Snap Ring | 2 | |
| 16 | 01Z525356 | Shaft Flange Right | 1 | |
| 17 | Tapered Roller Bearing | 1 | Available in: K01 | |
| 18 | Screw | 1 | ||
| 19 | Pin | 2 | ||
| 20 | 01Z525615 | Magnet | 2 | |
| 21 | Poppet | 1 | ||
| 22 | Pin | 1 | ||
| 23 | Screw | 11 | ||
| 24 | 01Z525355 | Shaft Flange Left | 1 | |
| 26 | Shim | 1 | ||
| 27 | Tapered Roller Bearing | 1 | Available in: K01 | |
| 28 | 02W525118A | Angled Pipe | 2 | |
| 30 | Cover Left | 1 | ||
| 31 | Differential Housing Assembly | 1 | ||
| 32 | Gear Differential Side | 2 | ||
| 33 | Gear Differential Spider | 2 | ||
| 34 | Thrust Washer Compound | 1 | ||
| 35 | Cover Right | 1 | ||
| 36 | 1K0599438A | Mounting | 3 | |
| 36 | 3C0599438D | Mounting | 3 | |
| 37 | 1K0599437A | Mounting | 3 | |
| 37 | 3C0599437D | Mounting | 3 | |
| 38 | Tube | 1 | ||
| 39 | Plug | 3 | Available in: K02 | |
| K01 | Bearing Kit | 1 | ||
| K02 | Sealing Kit | 1 |
