B1S1 OE MFR: NTK
1st Design; Rectangular Upstream Connector O.E. Quality Direct Fit Replacement Sensor
B2S1 1st Design; Rectangular Connector OE Equivalent Design
B2S1 2nd Design; Oval Connector OE Equivalent Design
2nd Design; Oval Upstream Connector O.E. Quality Direct Fit Replacement Sensor
Browse our selection of quality air / fuel ratio sensor parts designed specifically for your Cadillac CTS. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Luxury · Performance · Premium · Premium Luxury · V · Vsport · Vsport Premium · Vsport Premium Luxury
Sedan
L4 2.0L · V6 2.8L · V6 3.2L · V6 3.6L · V8 5.7L · V8 6.0L · V8 6.2L
Automatic · Manual