HomeEmission Control > SensorsWalker 350-33015 Oxygen Sensor - Upstream
Part #: 350-33015

Walker 350-33015 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
⚙️ 14 vehicles fit this part
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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 Aftermarket, Upstream
🚗Fitment: Volvo, 740
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-33015 Oxygen Sensor for Volvo 740

The Walker 350-33015 oxygen sensor is designed specifically for the Volvo 740, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon connector, tailored for a specific fit to maintain factory standards.

  • Heated oxygen sensor with 3-wire configuration
  • Specific fit for Volvo 740 models
  • Threaded mounting with 18.0 mm thread diameter
  • Connector includes both male and female radiused polygon shapes
  • Wiring harness length of 65.28 inches and overall length of 68.82 inches
  • Wire gauge measurement of 20 for reliable electrical conductivity

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-33015) is engineered to meet the emission control requirements of the Volvo 740. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing harmful emissions. Featuring a 3-wire setup, the sensor includes both male and female radiused polygon connectors to ensure secure and accurate electrical connections. The threaded mounting type with an 18.0 mm diameter provides a stable and precise installation point, matching the original equipment specifications.

The wiring harness length of 65.28 inches and overall length of 68.82 inches offer sufficient reach for installation without excess slack. The 20-gauge wire measurement supports consistent signal transmission, critical for accurate oxygen level readings.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This product line emphasizes compatibility and durability, providing specific-fit sensors like the 350-33015 to maintain vehicle performance and regulatory compliance for models such as the Volvo 740.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces engine misfires caused by faulty oxygen sensors
  • Prevents increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate sensor data
  • Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

  • Ensure the vehicle is cool before sensor removal to avoid burns
  • Use appropriate tools for the 18.0 mm threaded sensor to prevent damage
  • Verify connector orientation with radiused polygon shapes for proper fit
  • Check wiring harness length to confirm routing without tension
  • Follow vehicle-specific service manual instructions for sensor replacement

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards. The 350-33015 part number is manufactured to provide consistent performance and durability. Warranty coverage details should be confirmed with the product documentation or supplier, ensuring peace of mind with your purchase.

BrandWalker
Part Number350-33015
PositionWalker Products Aftermarket, Upstream
Connector GenderFemale
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length68.82
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity3
Wiring Harness Length65.28

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1992Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Con sistema de control del motor regina; Upstream; Walker Products Aftermarket
1992Volvo7402.3LL4GASUpstreamUpstream Oxygen Sensor compatible with Regina Engine Control System, B1S1 position; Walker Products Aftermarket
1992Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Upstream; Walker Products Aftermarket
1991Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Con sistema de control del motor regina; Upstream; Walker Products Aftermarket
1991Volvo7402.3LL4GASUpstreamUpstream Oxygen Sensor compatible with Regina Engine Control System, B1S1 position; Walker Products Aftermarket
1991Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Upstream; Walker Products Aftermarket
1990Volvo7402.3LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket
1990Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Con sistema de control del motor regina; Upstream; Walker Products Aftermarket
1990Volvo7402.3LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket
1990Volvo7402.3LL4GASUpstreamUpstream Oxygen Sensor compatible with Regina Engine Control System, B1S1 position; Walker Products Aftermarket
1990Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Upstream; Walker Products Aftermarket
1989Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Con sistema de control del motor regina; Upstream; Walker Products Aftermarket
1989Volvo7402.3LL4GASUpstreamUpstream Oxygen Sensor compatible with Regina Engine Control System, B1S1 position; Walker Products Aftermarket
1989Volvo7402.3LL4GASUpstreamw/Regina Engine Control System; B1S1; Upstream; Walker Products Aftermarket

* 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.