Home› Emission Control > Sensors› Spectra OS5381 Oxygen Sensor - Downstream or Upstream
Spectra OS5381 Oxygen Sensor - Downstream or UpstreamOE Quality 60-Day Returns
Spectra OS5381 Oxygen Sensor - Downstream or Upstream - view 1
Spectra OS5381 Oxygen Sensor - Downstream or Upstream - view 2
Spectra OS5381 Oxygen Sensor - Downstream or Upstream - view 3
Part #: OS5381

Spectra OS5381 Oxygen Sensor - Downstream or Upstream

Upstream and Downstream
⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$23.86Free 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: Kia and Mazda, MX-3, Protege, and Sephia
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Oxygen Sensor options
Spectra OS5381 Oxygen Sensor - Downstream or Upstream

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998MazdaProtege1.5LL4Upstream
1997KiaSephia1.6LL4UpstreamBank 1 Sensor 1 Oxygen Sensor
1997MazdaProtege1.5LL4Upstream
1996KiaSephia1.6LL4UpstreamBank 1 Sensor 1 Oxygen Sensor
1996KiaSephia1.6LL4Downstream
1996MazdaMX-31.6LL4Upstream
1996MazdaProtege1.5LL4Upstream
1995KiaSephia1.6LL4Upstream
1995MazdaMX-31.6LL4Upstream
1995MazdaProtege1.5LL4Upstream
1994MazdaMX-31.6LL4Upstream

* 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:

13362213112621312742343085240235S35205S3598751627B6DC18861B6DC18861AB6DC18861A9UES10366MB6DC18861MB6DC18861AOS676SG155SG155TSU4555SU4623

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

Related Articles