HomeEmission Control > SensorsSpectra OS5113 Oxygen Sensor - Downstream or Upstream
Part #: OS5113

Spectra OS5113 Oxygen Sensor - Downstream or Upstream

Downstream
17 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, 4Runner, T100, and Pickup
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Reliable Oxygen Sensor for Toyota 4Runner, Pickup, and T100

The Spectra OS5113 oxygen sensor is designed to provide accurate emissions monitoring for select Toyota models. Engineered to meet OEM specifications, this sensor helps maintain optimal engine performance and emission control.

Key Features of Spectra OS5113 Oxygen Sensor

  • Compatible with Toyota 4Runner, Pickup, and T100 models
  • Direct replacement oxygen sensor for emission control systems
  • Manufactured to meet or exceed OEM standards
  • Durable construction for long-lasting performance
  • Ensures precise air-fuel mixture readings for efficient combustion

Detailed Product Description

The Spectra OS5113 oxygen sensor is an essential component in the emission control system of Toyota 4Runner, Pickup, and T100 vehicles. It monitors the oxygen levels in the exhaust gases, providing critical data to the engine control unit (ECU) to adjust the air-fuel ratio. This sensor helps reduce harmful emissions and supports fuel efficiency by ensuring the engine runs within optimal parameters. The OS5113 is designed for straightforward installation and reliable operation under various driving conditions.

Common Applications and Issues Addressed

  • Restores proper oxygen sensing for emission control in Toyota 4Runner, Pickup, and T100
  • Resolves engine performance issues related to faulty oxygen sensors
  • Helps correct rough idling and poor fuel economy caused by sensor failure
  • Reduces check engine light triggers related to oxygen sensor faults
  • Supports compliance with emission regulations by maintaining sensor accuracy

Installation Notes and Tips

  • Ensure vehicle compatibility with Toyota 4Runner, Pickup, or T100 before installation
  • Disconnect the battery before sensor replacement to avoid electrical issues
  • Use proper tools to avoid damaging the sensor or exhaust components
  • Apply anti-seize compound on sensor threads if recommended by manufacturer
  • Verify sensor wiring connections are secure after installation

Quality Assurance and Warranty

Spectra oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The OS5113 part number undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.

This part fits 17 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersPositionNotes
2000Toyota4Runner4WDAutomatic2.7LL4Downstream
1999Toyota4Runner4WDAutomatic2.7LL4Downstream
1998Toyota4Runner4WDAutomatic2.7LL4Downstream
1998ToyotaT100Manual2.7LL4Upstream
1997Toyota4Runner4WDAutomatic2.7LL4Downstream
1997ToyotaT100Manual2.7LL4Upstream
1996Toyota4Runner4WDAutomatic2.7LL4Downstream
1996ToyotaT100Manual2.7LL4Upstream
1995Toyota4Runner2.4LL4DownstreamCalifornia emissions vehicles only.
1995ToyotaPickupRWD2.4LL4Downstreamw/ California Emissions; Japan Built
1995ToyotaPickup4WD2.4LL4Downstreamw/ California Emissions; North America Built; w/ Long Bed; w/ California Emissions; Japan Built
1994Toyota4Runner2.4LL4DownstreamCalifornia emissions vehicles only.
1994ToyotaPickupRWD2.4LL4Downstreamw/ California Emissions; Japan Built
1994ToyotaPickup4WD2.4LL4Downstreamw/ California Emissions; Japan Built; North America Built
1993Toyota4Runner2.4LL4DownstreamCalifornia emissions vehicles only.
1993ToyotaPickupRWD2.4LL4Downstreamw/ California Emissions; Japan Built
1993ToyotaPickup4WD2.4LL4Downstreamw/ California Emissions; Japan Built; North America Built

* 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:

1310421330152344154245955S40537518048946539605ES10643ES20119OS1987OS2042SG372SG372TSG598SG598TSU4934

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