LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003
LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 is a direct-fit replacement O2 sensor set priced at $44.20. Designed for 2003 Nissan Murano 3.5L engines, it restores fuel efficiency and reduces emissions for reliable engine performance.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- Direct fit for 2003 Nissan Murano 3.5L
- Includes 4 sensors: upstream and downstream
- OE-style electrical connectors
- High-temperature resistant construction
- Restores fuel efficiency and engine performance
- Reduces exhaust emissions
- Compatible with factory heat shields
Pros
- +Affordable replacement for OEM sensors
- +No wiring modifications required
- +Improves fuel economy and engine response
Cons
- −Only fits specific 2003 Murano models
- −Not designed for other engine sizes
About LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003
What is LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003?
The LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor is a complete set of four oxygen sensors engineered specifically for the 2003 Nissan Murano with a 3.5L V6 engine. These sensors monitor oxygen levels in the exhaust stream, helping the engine control unit maintain optimal air-fuel ratios. A failing O2 sensor can trigger the check engine light, reduce fuel economy, increase emissions, or damage the catalytic converter. This kit offers a cost-effective solution to restore proper engine function and pass emissions testing.
Key features
- Direct Fit — Designed for 2003 Nissan Murano 3.5L, ensuring correct fit and function.
- 4-Sensor Set — Includes both upstream and downstream sensors for full exhaust system coverage.
- OE-Style Connectors — Matches factory wiring configurations for easy installation.
- Durable Construction — Built to withstand high-temperature exhaust environments.
- Improved Fuel Efficiency — Helps engine maintain optimal air-fuel mixture.
- Emissions Compliance — Reduces harmful exhaust output for cleaner operation.
- Heat Shield Compatible — Designed to work with factory heat shields and mounting hardware.
Who is LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 for?
This O2 sensor set is ideal for Nissan Murano owners, DIY mechanics, and auto repair shops seeking an affordable, reliable replacement for worn or failing oxygen sensors. It's especially useful for vehicles showing symptoms like poor fuel economy, rough idling, or failed emissions tests. The plug-and-play design suits intermediate-level installers using basic hand tools.
How does LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 compare?
Compared to standard universal O2 sensors, this LABWORK kit offers factory-matched connectors and positioning, eliminating the need for splicing. It provides better compatibility than generic sensors while costing significantly less than OEM dealership parts. It performs on par with higher-end aftermarket brands but at a budget-friendly price point, making it a smart choice for maintaining older Muranos without overspending.
Best use cases
- →Replacing failed O2 sensors in 2003 Murano
- →Fixing check engine light due to O2 codes
- →Improving fuel economy in high-mileage vehicles
- →Preparing for emissions testing
- →Routine maintenance on older V6 engines
Is LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 right for you?
This LABWORK O2 sensor set is best for 2003 Nissan Murano 3.5L owners experiencing poor fuel economy, rough idling, or emissions failure. Ideal for DIYers with basic mechanical skills. Ensure your vehicle matches the exact fitment. Alternatives include pricier OEM sensors or universal types requiring wiring changes.
How it compares: Compared to universal O2 sensors, this LABWORK set offers plug-and-play installation with no splicing. It's more affordable than OEM parts while delivering similar performance, making it a balanced upgrade over basic aftermarket options for aging V6 SUVs.
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What vehicles does this O2 sensor fit?
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This LABWORK 4Pcs O2 sensor set fits the 2003 Nissan Murano with the 3.5L V6 engine only. Verify your engine size before purchase to ensure compatibility.
Does this kit require wiring modifications?
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No, these sensors feature OE-style connectors that match the factory harness. No splicing or rewiring is needed for proper installation.
How do I know if my O2 sensor is failing?
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Common signs include a check engine light, reduced fuel economy, rough engine idle, failed emissions test, or unusual exhaust smells.
Is this set suitable for both upstream and downstream positions?
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Yes, the kit includes both upstream (pre-catalytic) and downstream (post-catalytic) sensors for complete exhaust system coverage.
Can I install these sensors myself?
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Yes, with basic hand tools and mechanical knowledge, most DIYers can replace O2 sensors. Use a proper socket to avoid damaging threads.
How much does LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 cost?
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LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 is $44.20 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 in stock at Lab Work Auto?
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Yes, LABWORK 4Pcs Upstream & Downstream Oxygen O2 Sensor For Nissan Murano 3.5L 2003 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-7018