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Registered
Join Date: Nov 2006
Location: Ontario, California
Posts: 1,141
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Oxygen sensors
I've noticed that upstream oxygen sensors are less expensive than downstream sensors yet, Wayne's 101 Project book says that all 4 are the same. Does anyone know why there is a price difference as well as a parts number difference?
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2001 Boxster S, Orient Red Current Vehicle,
1973.5 911 full factory "S" trim with a 3.2 engine **Sold**,2002 996 **Sold**,1975 911S **Sold**,
1971 911T **Sold**, 1968 912 **Sold**
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