HomeEmission Control > SensorsWalker 350-35152 Oxygen Sensor - Upstream
Part #: 350-35152

Walker 350-35152 Oxygen Sensor - Upstream

OE Replacement, Upstream
⚙️ 32 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$224.76Free 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.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Replacement, Upstream
🚗Fitment: Mazda, 2, 3, 6, CX-3, CX-30, CX-5, and CX-50
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Walker 350-35152 Oxygen Sensor - Upstream
BrandWalker
Part Number350-35152
PositionOE Replacement, Upstream
HeatedYes
Wiring Harness Length715
Sensor TypeWide-band
Universal Or Specific FitSpecific
Wire Quantity5
Wrench Size22
Thread SizeM18 - 1.5

This part fits 32 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2025Mazda32.5LL4UpstreamOE Replacement
2025MazdaCX-302.5LL4UpstreamOE Replacement
2025MazdaCX-52.5LL4UpstreamOE Replacement
2025MazdaCX-502.5LL4UpstreamOE Replacement
2024Mazda32.5LL4UpstreamOE Replacement
2024MazdaCX-302.5LL4UpstreamOE Replacement
2024MazdaCX-52.5LL4UpstreamOE Replacement
2024MazdaCX-502.5LL4UpstreamOE Replacement
2023Mazda21.5LL4N/AOE Replacement
2023Mazda32.5LL4UpstreamOE Replacement
2023MazdaCX-32.0LL4N/AOE Replacement
2023MazdaCX-302.5LL4UpstreamOE Replacement
2023MazdaCX-52.5LL4UpstreamOE Replacement
2023MazdaCX-502.5LL4UpstreamOE Replacement
2022Mazda32.5LL4UpstreamOE Replacement
2022MazdaCX-32.0LL4UpstreamOE Replacement
2022MazdaCX-302.5LL4UpstreamOE Replacement
2022MazdaCX-52.5LL4UpstreamOE Replacement
2021Mazda32.5LL4UpstreamOE Replacement
2021Mazda62.5LL4UpstreamOE Replacement
2021MazdaCX-32.0LL4UpstreamOE Replacement
2021MazdaCX-302.5LL4UpstreamOE Replacement
2020Mazda32.5LL4UpstreamOE Replacement
2020Mazda62.5LL4UpstreamOE Replacement
2020MazdaCX-32.0LL4UpstreamOE Replacement
2020MazdaCX-302.5LL4UpstreamOE Replacement
2019Mazda32.5LL4UpstreamOE Replacement
2019Mazda62.5LL4UpstreamOE Replacement
2019MazdaCX-32.0LL4UpstreamOE Replacement
2019MazdaCX-52.5LL4UpstreamOE Replacement
2018Mazda6Touring2.5LL4UpstreamSubmodel :Touring; OE Replacement
2018MazdaCX-52.0LL4UpstreamOE Replacement

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.