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WalkerPart #: 1004-1039
Walker 1004-1039 Nitrogen Oxide (NOx) Sensor
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$404.03Free 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
🔄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 Nitrogen Oxide (NOx) Sensor options
Walker 1004-1039 Nitrogen Oxide (NOx) Sensor
| Brand | Walker |
| Part Number | 1004-1039 |
| Color | Multi-colored |
| Finish | Gloss |
| Wiring Harness Length | 890.00 |
| Connector Color | Black |
| Universal Or Specific Fit | Specific |
| Connector Shape | Square |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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:
43264754326867A044C666A045S161
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.