Cross-referenced part numbers should still be checked against your exact vehicle and application — interchange listings are a starting point, not a guarantee of fit. Listed reference numbers are commonly associated with this part — confirm against your own vehicle’s OE number before ordering.
20409 - Knock Sensor (FIAT OE 60810791) ALFA ROMEO 166 (936_) 2.5 V6 24V (936A2___) for these vehicles
Model
Years
Engine
Power
Fuel
Drive
Saloon
1998 – 2006
2.5L AR 34201
190 hp (140 kW)
Petrol
Front-Wheel Drive
Saloon
1998 – 2007
3.0L AR 34301
226 hp (166 kW)
Petrol
Front-Wheel Drive
Saloon
1998 – 2007
3.0L AR 34302
226 hp (166 kW)
Petrol
Front-Wheel Drive
Saloon
1998 – 2000
2.0L AR 34102
205 hp (151 kW)
Petrol
Front-Wheel Drive
Estate
2000 – 2006
1.6L AR 67601
120 hp (88 kW)
Petrol
Front-Wheel Drive
Estate
2000 – 2006
1.6L AR 32102
112 hp (82 kW)
Petrol
Front-Wheel Drive
Estate
2000 – 2006
1.6L AR 32103
110 hp (81 kW)
Petrol
Front-Wheel Drive
Estate
2000 – 2006
1.6L AR 32104
120 hp (88 kW)
Petrol
Front-Wheel Drive
Estate
1997 – 2003
2.5L AR 32401
190 hp (140 kW)
Petrol
Front-Wheel Drive
Saloon
2000 – 2007
3.0L AR 36101
220 hp (162 kW)
Petrol
Front-Wheel Drive
Estate
1997 – 2006
2.5L AR 32405
192 hp (141 kW)
Petrol
Front-Wheel Drive
Saloon
2000 – 2007
2.5L AR 36201
188 hp (138 kW)
Petrol
Front-Wheel Drive
Saloon
1992 – 1998
3.0L
233 hp (171 kW)
Petrol
Front-Wheel Drive
Saloon
1995 – 1997
3.0L AR 64304
212 hp (156 kW)
Petrol
Front-Wheel Drive
Saloon
1993 – 1995
3.0L AR 64304
212 hp (156 kW)
Petrol
Front-Wheel Drive
Saloon
1992 – 1997
3.0L AR 64304
212 hp (156 kW)
Petrol
All-wheel Drive
Saloon
1992 – 1997
3.0L AR 64307
231 hp (170 kW)
Petrol
All-wheel Drive
Saloon
1994 – 1998
3.0L AR 64308
204 hp (150 kW)
Petrol
All-wheel Drive
Saloon
1994 – 1998
3.0L AR 64307
231 hp (170 kW)
Petrol
All-wheel Drive
Saloon
1995 – 1997
2.0L AR 67204
150 hp (110 kW)
Petrol
Front-Wheel Drive
Saloon
1995 – 1997
2.0L AR 67299
150 hp (110 kW)
Petrol
Front-Wheel Drive
Hatchback
1995 – 2001
2.0L AR 67204
150 hp (110 kW)
Petrol
Front-Wheel Drive
Hatchback
1995 – 2001
2.0L AR 67204
150 hp (110 kW)
Petrol
Front-Wheel Drive
Coupe
1995 – 1998
2.0L AR 16202
202 hp (148 kW)
Petrol
Front-Wheel Drive
Coupe
1995 – 2005
2.0L AR 16201
150 hp (110 kW)
Petrol
Front-Wheel Drive
Coupe
1995 – 2005
2.0L AR 32310
150 hp (110 kW)
Petrol
Front-Wheel Drive
Convertible
1995 – 2005
3.0L AR 16101
192 hp (141 kW)
Petrol
Front-Wheel Drive
Convertible
1995 – 2005
2.0L AR 16201
150 hp (110 kW)
Petrol
Front-Wheel Drive
Convertible
1995 – 2005
2.0L AR 32310
150 hp (110 kW)
Petrol
Front-Wheel Drive
Saloon
1996 – 1997
1.7L AR 67106
140 hp (103 kW)
Petrol
Front-Wheel Drive
Saloon
1996 – 1997
1.6L AR 67601
120 hp (88 kW)
Petrol
Front-Wheel Drive
Coupe
1996 – 2000
3.0L
220 hp (162 kW)
Petrol
Front-Wheel Drive
Hatchback
1996 – 2001
1.4L
103 hp (76 kW)
Petrol
Front-Wheel Drive
Fitment data is a guide — always confirm the part number printed on your existing part before ordering.