HomeEmission Control > SensorsSpectra OS6263 Oxygen Sensor - Downstream
Part #: OS6263

Spectra OS6263 Oxygen Sensor - Downstream

Downstream
⚙️ 4 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$24.51Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, 6
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Spectra OS6263 Oxygen Sensor for Mazda 6

The Spectra OS6263 oxygen sensor is designed specifically for emission control in Mazda 6 vehicles. This sensor helps maintain optimal engine performance by accurately monitoring exhaust gases and ensuring efficient fuel combustion.

  • Compatible with Mazda 6 models
  • Part number OS6263 for precise identification
  • Designed for emission control sensor replacement
  • Ensures accurate oxygen level readings for engine management
  • Durable construction for reliable long-term use

Detailed Product Description

The Spectra OS6263 oxygen sensor is an essential component in the emission control system of Mazda 6 vehicles. It measures the oxygen content in the exhaust gases and sends this data to the engine control unit (ECU). This information allows the ECU to adjust the air-fuel mixture for optimal combustion, reducing harmful emissions and improving fuel efficiency. The sensor is engineered to meet OEM specifications, ensuring compatibility and reliable performance when replacing the original part.

Common Applications and Issues Addressed

  • Helps resolve poor fuel economy caused by incorrect air-fuel mixture
  • Addresses rough engine idling and hesitation during acceleration
  • Reduces increased emissions and potential failed emissions tests
  • Prevents check engine light triggers related to oxygen sensor faults
  • Supports overall engine performance and longevity

Installation Notes and Tips

  • Ensure vehicle compatibility: specifically designed for Mazda 6 models
  • Use proper tools to avoid damage to the sensor or exhaust system
  • Disconnect the battery before installation to prevent electrical issues
  • Apply anti-seize compound on threads if recommended by manufacturer
  • Verify sensor wiring connections are secure and free of corrosion

Quality Assurance and Warranty

The Spectra OS6263 oxygen sensor is manufactured to meet industry standards for emission control components. While specific warranty details may vary, Spectra typically offers coverage against defects in materials and workmanship. This ensures that the oxygen sensor performs reliably under normal operating conditions when installed correctly in compatible Mazda 6 vehicles.

This part fits 4 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2005Mazda6Manual2.3LL4Downstreamw/ California Emissions; w/ Federal Emissions
2005Mazda6Automatic2.3LL4DownstreamFor vehicles with Federal Emissions.
2004Mazda62.3LL4Downstream
2003Mazda62.3LL4Downstream

* 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:

154262210123443935S4508L33418861AL33418861BSG1211SU6817

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