The Pierburg EGR valve is diaphragm-type and pneumatically operated. It includes a seal and is intended for the Smart Fortwo II (451) with a 0.8-litre diesel engine.
- Valve type: Diaphragm
- Operating mode: Pneumatic
- Sealing: With seal
- Compatibility: Smart Fortwo II (451) 0.8 diesel 33 kW / 45 HP, Smart Fortwo II (451) 0.8 diesel 40 kW / 54 HP
- OE numbers: 639 140 05 60, 660 140 03 60, A 639 140 05 60, A 660 140 03 60
- Technical codes: PI 1111, SI 0096, SI 0100