4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US
4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US is a complete set of direct-fit replacement oxygen sensors for improved engine performance and emissions control. Priced at $49.53, it's ideal for DIY mechanics maintaining 3.0L V6 Montero Sport SUVs.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- Exact fit for 97-04 Montero Sport 3.0L
- Includes 4 sensors: Sensor 1 and Sensor 2
- Restores fuel efficiency and engine response
- Supports emissions testing compliance
- Direct OEM-style connectors for easy install
- Heat-resistant construction for durability
- Sold by Lab Work Auto with fit support
Pros
- +Complete 4-sensor set for full replacement
- +Saves money vs buying sensors individually
- +No wiring modifications required
- +Helps prevent catalytic converter damage
- +Backed by seller compatibility verification
Cons
- −Requires basic mechanical skill to install
- −Must verify part number match before use
About 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US
What is 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US?
This 4-piece oxygen sensor set includes both upstream (Sensor 1) and downstream (Sensor 2) O2 sensors designed specifically for 1997–2004 Mitsubishi Montero Sport models equipped with the 3.0L V6 engine. These sensors monitor exhaust gas oxygen levels to help the engine control module optimize fuel mixture, improve fuel efficiency, and reduce harmful emissions. Sold by Lab Work Auto, this set offers a cost-effective, direct-fit replacement for aging or failing sensors that may trigger check engine lights or reduce catalytic converter lifespan.
Key features
- Exact Fit — Designed for 97-04 Mitsubishi Montero Sport 3.0L models.
- Complete Set — Includes 4 sensors: two upstream (Bank 1 and 2, Sensor 1) and two downstream (Sensor 2).
- Improved Performance — Helps restore fuel economy and engine efficiency.
- Emissions Compliance — Supports proper catalytic converter function and passing emissions tests.
- Direct Replacement — Matches OEM connector types for straightforward installation.
- Heat-Resistant Design — Built to withstand high-temperature exhaust environments.
- Verified Compatibility — Lab Work Auto offers support to confirm fit before purchase.
Who is 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US for?
This product is ideal for DIY auto owners and home mechanics maintaining older Mitsubishi Montero Sport SUVs. It’s especially useful for those experiencing check engine lights, poor fuel economy, or emissions test failures linked to O2 sensor faults. With clear installation steps provided, it suits intermediate-level users comfortable working under the vehicle near the exhaust system.
How does 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US compare?
Compared to universal oxygen sensors requiring splicing, this set offers plug-and-play convenience with factory-matching connectors. It’s more affordable than dealership OEM parts while maintaining fit and function for the 3.0L Montero Sport. Unlike single-sensor packs, this 4-piece kit allows full system refresh of all O2 sensors, ensuring balanced performance across both engine banks.
Best use cases
- →Replacing failed O2 sensors with check engine light
- →Improving fuel economy in high-mileage SUVs
- →Preparing for state emissions inspection
- →Preventive maintenance on older V6 engines
- →DIY repair to avoid mechanic labor costs
Is 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US right for you?
This O2 sensor set is best for owners of 1997–2004 Mitsubishi Montero Sport 3.0L V6 models needing a full sensor refresh. Ideal for DIYers with intermediate mechanical skills. Always verify the part number on your existing sensor before purchase. Consider this over universal sensors for plug-and-play reliability. Lab Work Auto offers fitment support to ensure compatibility.
How it compares: Compared to universal O2 sensors, this set offers factory connectors and no splicing. It's more affordable than OEM parts from dealerships and covers all four sensors, unlike single-unit replacements.
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What vehicles does this O2 sensor set fit?
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This set fits 1997–2004 Mitsubishi Montero Sport models with the 3.0L V6 engine. Always verify your existing sensor's part number to ensure compatibility before installation.
Does this kit include both upstream and downstream sensors?
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Yes, it includes four sensors: two upstream (Sensor 1) and two downstream (Sensor 2), covering all O2 sensor positions on the 3.0L Montero Sport's exhaust system.
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 idle, failed emissions test, or catalytic converter issues. Scanning trouble codes can confirm O2 sensor faults.
Is professional installation required?
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No, but you should have basic mechanical experience. You'll need socket tools and must safely lift the vehicle. Disconnect the battery and follow wiring steps carefully.
Can I return the sensors if they don’t fit?
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Contact Lab Work Auto before ordering if you're unsure. Confirming your old sensor's part number helps avoid fit issues. Return policies depend on the seller's terms.
How much does 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US cost?
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4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US is $49.53 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US in stock at Lab Work Auto?
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Yes, 4Pcs O2 Oxygen Sensor 1 & Sensor 2 for 97-04 Mitsubishi Montero Sport 3.0L US is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-7277