HomeEmission Control > SensorsWalker 250-54034 Oxygen Sensor - Upstream
Part #: 250-54034

Walker 250-54034 Oxygen Sensor - Upstream

Walker Products OE, Upstream
16 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Upstream
Fitment: Suzuki, Grand Vitara and SX4
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-54034 Oxygen Sensor for Suzuki Vehicles

The Walker 250-54034 oxygen sensor is designed specifically for Suzuki Grand Vitara and SX4 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated sensor type for faster response times
  • Specific fit for Suzuki Grand Vitara and SX4
  • 13.31-inch wiring harness length with 4 wires
  • 20 gauge wire measurement for reliable signal transmission
  • Radiused polygon female connector for secure connection
  • Threaded mounting type with 18.0 mm thread diameter
  • Overall length of 16.85 inches for proper installation

Detailed Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a 4-wire heated sensor design, allowing it to reach operating temperature quickly and provide accurate oxygen level readings. The 13.31-inch wiring harness length and 20 gauge wires ensure consistent electrical performance. The radiused polygon female connector is designed for a secure and precise fit, reducing the risk of connection issues. The sensor mounts via an 18.0 mm threaded fitting, compatible with the exhaust system of Suzuki Grand Vitara and SX4 models. The overall length of 16.85 inches supports proper placement within the vehicle’s emission control system.

Walker Products OE Brand Line Information

Walker Products OE focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-54034 oxygen sensor is part of this line, ensuring compatibility and reliability for Suzuki vehicles. This product line emphasizes precise fitment and durable construction, supporting emission control systems with components designed for long-term performance.

Common Applications and Issues Addressed

  • Restores accurate air-fuel mixture readings for engine control
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions by ensuring proper catalytic converter function
  • Prevents check engine light triggers related to oxygen sensor faults
  • Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Walker 250-54034 oxygen sensor, ensure the vehicle is compatible with Suzuki Grand Vitara or SX4 models. Use proper tools to remove the old sensor and avoid damaging the wiring harness or connector. The threaded mounting requires careful tightening to the manufacturer’s torque specifications to prevent leaks or sensor damage. Verify the connector’s radiused polygon female shape matches the vehicle harness for a secure connection.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance in emission control systems. While specific warranty details for part number 250-54034 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support customer confidence.

BrandWalker
Part Number250-54034
PositionWalker Products OE, Upstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length16.85
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length13.31

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2013SuzukiGrand Vitara2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2013SuzukiGrand Vitara2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2012SuzukiGrand Vitara2.4LL4UpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2012SuzukiGrand Vitara2.4LL4UpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2011SuzukiGrand Vitara2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2011SuzukiGrand Vitara2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2010SuzukiGrand Vitara2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2010SuzukiGrand Vitara2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2009SuzukiGrand Vitara2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2009SuzukiGrand Vitara2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2009SuzukiSX42.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2009SuzukiSX42.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2008SuzukiSX42.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2008SuzukiSX42.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2007SuzukiSX42.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2007SuzukiSX42.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.