DT Spare Parts
DT Spare Parts 4.62644 Constantly open throttle (engine brake) control piston
MPN 4.62644
- For OE number
- 541 016 0690
- Height
- 31,5 mm
- Outer Diameter
- 28,3 mm
- EAN
- 04047755929459
In stock
Original equipment number
Constantly open throttle (engine brake) control piston, OE A4420160063. 1 compatible equivalent from 1 brand, 1 of them in stock. Price £41.99.
DT Spare Parts 4.62644£41.99
Manufacturers list each of these parts against OE A4420160063. The cheapest ones in stock come first; the full list follows, sorted by price.
UK delivery £5.99, free over £50 · We also ship from the EU to 200 countries, with no customs charges within the EU — see prices and times
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DT Spare Parts
MPN 4.62644
In stock
1 in stock now, 0 not in stock right now. Sorted by price.
| Brand | Number | EAN | Features | Price | Availability |
|---|---|---|---|---|---|
| DT Spare Parts | 4.62644 | 04047755929459 | 541 016 0690 · 31,5 mm · 28,3 mm · 2 | £41.99 | In stock |
OE part number A4420160063 is a Constantly open throttle (engine brake) control piston. We have 1 compatible replacement parts from DT Spare Parts.
OE (Original Equipment) number A4420160063 is a manufacturer's reference code for Constantly open throttle (engine brake) control piston used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 1 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE A4420160063.
Original installation position for OE A4420160063. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
| Attribute | Value |
|---|---|
| Height [mm] | 25,5 |
| Inner Diameter [mm] | 20 |
| Outer Diameter [mm] | 24,3 |
| for OE number | 541 016 0690 |
| Guarantee | 2 years guarantee |
| for OE number | 906 010 0189 |
| for OE number | A5410160690 |
| Height [mm] | 31,5 |
| Net Weight [g] | 34 |
| Net Weight [g] | 74,5 |
Other original equipment numbers linked to A4420160063. Each one leads to its own fitment and price page.
Only vehicle manufacturers' numbers are listed here. Other makers' equivalents are under “Compatible parts”.
Common original equipment numbers linked to replacement-part pages.
4–8 days
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£50.00
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OE A4420160063 is an original equipment reference for a Constantly open throttle (engine brake) control piston. It identifies the exact part specification used by the vehicle manufacturer.
Replacement parts for OE A4420160063 cost £41.99.
DT Spare Parts all offer compatible replacements for OE A4420160063.
OE A4420160063 is an original equipment reference assigned by the vehicle manufacturer. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements that meet the same specification.