
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | NTK | 
| Part Number | 21538 | 
| Part Description | OE Type Oxygen Sensor | 
| Installation Type | Screw | 
| Location | B1S2 | 
| O2 Sensor Configuration | Direct Fit | 
| Position | Downstream | 
| Thread Diameter | 0.71" (18 mm) | 
| Wire Harness Length | 27.75" (704.9 mm) | 
| Wires Quantity | 4 Wire Leads | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 1996-1999 Saturn SC1 | All Trims | 4 Cyl 1.9L | 
| 1996-1999 Saturn SC2 | All Trims | 4 Cyl 1.9L | 
| 1996-1999 Saturn SL | All Trims | 4 Cyl 1.9L | 
| 1996-1999 Saturn SL1 | All Trims | 4 Cyl 1.9L | 
| 1996-1999 Saturn SL2 | All Trims | 4 Cyl 1.9L | 
| 1996-1999 Saturn SW1 | All Trims | 4 Cyl 1.9L | 
| 1996-1999 Saturn SW2 | All Trims | 4 Cyl 1.9L |