
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | NTK | 
| Part Number | 21023 | 
| 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 | 12.25" (311.2 mm) | 
| Wires Quantity | 4 Wire Leads | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 2008-2009 Buick Allure | All Trims | 8 Cyl 5.3L | 
| 2008-2009 Buick LaCrosse | All Trims | 8 Cyl 5.3L | 
| 2006 Buick Rainier | All Trims | 6 Cyl 4.2L | 
| 2006 Chevrolet Colorado | All Trims | 4 Cyl 2.8L | 
| 2006 Chevrolet Colorado | All Trims | 5 Cyl 3.5L | 
| 2008-2009 Chevrolet Impala | All Trims | 8 Cyl 5.3L | 
| 2006 Chevrolet Trailblazer | All Trims | 6 Cyl 4.2L | 
| 2006 Chevrolet Trailblazer EXT | All Trims | 6 Cyl 4.2L | 
| 2006 GMC Canyon | All Trims | 4 Cyl 2.8L | 
| 2006 GMC Canyon | All Trims | 5 Cyl 3.5L |