HomeEmission Control > SensorsSpectra OS5300 Oxygen Sensor - Downstream
Part #: OS5300

Spectra OS5300 Oxygen Sensor - Downstream

Downstream
16 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$23.75Free 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: Toyota, Tacoma
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Oxygen Sensor for Toyota Tacoma

The Spectra OS5300 oxygen sensor is designed specifically for Toyota Tacoma models, ensuring accurate emissions monitoring and optimal engine performance. This sensor helps maintain proper air-fuel mixture for efficient combustion and reduced emissions.

  • Compatible with Toyota Tacoma vehicles
  • Part number OS5300 for precise identification
  • Direct replacement oxygen sensor for emission control systems
  • Durable construction for long-lasting performance
  • Helps maintain EPA-compliant emissions levels

Product Overview and Functionality

The Spectra OS5300 oxygen sensor plays a critical role in the emission control system of Toyota Tacoma trucks. It measures the oxygen content in the exhaust gases and sends this data to the engine control unit (ECU). The ECU then adjusts the air-fuel ratio to optimize combustion efficiency, reduce harmful emissions, and improve fuel economy. This sensor is engineered to meet OEM specifications, providing reliable and consistent readings under various driving conditions.

Common Applications and Issues Addressed

  • Restores proper air-fuel mixture control in Toyota Tacoma
  • Resolves rough idling and engine hesitation caused by faulty sensors
  • Helps eliminate check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by ensuring accurate emissions data
  • Reduces exhaust emissions to meet environmental standards

Installation Notes and Tips

Installation of the Spectra OS5300 oxygen sensor should be performed with the engine cool to avoid burns. Use appropriate tools to remove the old sensor and install the new one without damaging the threads. It is recommended to apply anti-seize compound on the sensor threads before installation to facilitate future removal. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Manufactured to meet strict quality standards, the Spectra OS5300 oxygen sensor undergoes rigorous testing to ensure durability and accurate performance. This part is backed by a limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.

This part fits 16 vehicles. Search below:

YearMakeModelBody TypeDrive TypeTransmissionLitersCylindersPositionNotes
2004ToyotaTacoma3.4LV6Downstream
2004ToyotaTacoma2.7LL4Downstream
2004ToyotaTacoma2.4LL4Downstream
2003ToyotaTacoma3.4LV6Downstream
2003ToyotaTacoma2.7LL4Downstream
2003ToyotaTacoma2.4LL4Downstream
2002ToyotaTacoma3.4LV6Downstream
2002ToyotaTacoma2.7LL4Downstream
2002ToyotaTacoma2.4LL4Downstream
2001ToyotaTacoma3.4LV6Downstream
2001ToyotaTacoma2.7LL4Downstream
2001ToyotaTacoma2.4LL4Downstream
2000ToyotaTacomaStandard Cab PickupRWD2.7LL4DownstreamCalifornia emissions vehicles only.
2000ToyotaTacomaStandard Cab Pickup4WD2.7LL4DownstreamCalifornia emissions vehicles only.
2000ToyotaTacomaStandard Cab PickupManual2.4LL4DownstreamCalifornia emissions vehicles only.
2000ToyotaTacomaStandard Cab PickupAutomatic2.4LL4DownstreamCalifornia emissions vehicles only.

* 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:

1361813986139891521015414154151541621314402344189245595S40315S40325S40805S44675S44685S4469752237752463752466752494752631752632752633894650928089465093308946509340894650935089465093608946509370ES20193OS1536OS1538OS1542OS1586OS1596OS1598OS1600S2023SG782SG782TSG784SG784TSG788SG788TSG832SG832TSG842SG842TSG844SG844TSG846SG846TSN445SU5655SU5656SU5676SU6727SU6728SU6729

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