| Make | Model | Year |
|---|---|---|
| Infiniti | G20 | 1991-1996, 1999 |
| I30 | 1999 | |
| Q45 | 1990-1997 | |
| QX4 | 1997-2000 | |
| Mercury | Villager | 1999-2002 |
| Nissan | 200SX | 1984-1986, 1995-1998 |
| 300ZX | 1984-1985 | |
| Frontier | 1998-2003 | |
| Maxima | 1998-1999 | |
| NX | 1991-1993 | |
| Pathfinder | 1999-2000 | |
| Quest | 1999-2002 | |
| Sentra | 1991-2001 | |
| Tsuru | 1993-1996 | |
| Xterra | 2000-2003 |
Premium Oxygen Sensor by Walker Products®. Position: Upstream. Location: B1S1 Sensor. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The oxygen sensor is a device which determines the oxygen content of the exhaust gas. Since the amount of oxygen in the exhaust gas is a very good indicator of combustion efficiency, it is also the best place to monitor the air fuel ratio. Walker Products, an ISO 9001-2008 / TS16949 certified company, specializes in the manufacturing and distribution of Fuel System Components and Automotive Engine Management products. Walker is committed to meeting or exceeding OEM or equivalent standards and specifications. This effort is backed by Walker's own manufacturing, product management and engineering expertise. Walker Premium Oxygen Sensors are 100% OEM Quality.
| Position: Upstream |
| Location: B1S1 Sensor |
| Sensor Type: Heated |
| Connector Gender: Male |
| Wires Quantity: 3 Wire Leads |
| Wire Harness Length: 15.28"(388.112 mm) |
| Overall Length: 18.82"(478.028 mm) |
| Thread Diameter: 0.71"(18.0 mm) |
| Wire Gauge Measurement: 20 Gauge |
One of the largest, privately owned, manufacturers of performance engine management products and fuel system components, Walker Products® has served the needs of the worldwide automotive aftermarket since 1946. Its extensive product offerings include carburetor and fuel injection repair kits, oxygen sensors, and other engine management components such as throttle position sensors, cam and crankshaft sensors, fuel injectors, spark plug wires, gaskets, and more. As an ISO 9001:2008 and TS16949 certified company, Walker is committed to supplying the highest quality automotive parts that meet rigorous quality standards. Quality procedures such as statistical process control (SPC) and automated process feedback are typical for Walker’s production processes.