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WalkerPart #: 350-84004
Walker 350-84004 Oxygen Sensor Set
⚙️ 44 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$122.80Free 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
📦OE Replacement
🚗Fitment: Cadillac, Chevrolet, and GMC, C1500, Escalade, Express 1500, Express 2500, Savana 1500, Savana 2500, Sierra 1500, Sierra 2500, Silverado 1500, Silverado 2500, and Yukon
🔄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 Set options
Walker 350-84004 Oxygen Sensor Set
| Brand | Walker |
| Part Number | 350-84004 |
| Position | OE Replacement |
| 11589 | Metric |
| Heated | Yes |
| Sensor Type | Narrow-band |
| Universal Or Specific Fit | Specific |
| Grade Type | Standard replacement |
| Wrench Size | 22 |
| Thread Size | M18 - 1.5 |
| Mounting Type | Threaded |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2002 | Chevrolet | Express 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2002 | GMC | Savana 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2002 | GMC | Savana 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2001 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2001 | Chevrolet | Express 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2001 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2001 | GMC | Savana 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2001 | GMC | Savana 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2001 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2000 | Cadillac | Escalade | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2000 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2000 | Chevrolet | Express 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2000 | Chevrolet | Silverado 1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2000 | GMC | Savana 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2000 | GMC | Savana 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 2000 | GMC | Sierra 1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | Cadillac | Escalade | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | Chevrolet | Express 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | Chevrolet | Silverado 1500 | 5.3L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | Chevrolet | Silverado 2500 | 5.3L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | GMC | Savana 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | GMC | Savana 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | GMC | Sierra 1500 | 5.3L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | GMC | Sierra 2500 | 5.3L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1999 | GMC | Yukon | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1998 | Chevrolet | C1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1998 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1998 | GMC | C1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1998 | GMC | Savana 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1998 | GMC | Savana 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1997 | Chevrolet | C1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1997 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1997 | Chevrolet | Express 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1997 | GMC | C1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1997 | GMC | Savana 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1997 | GMC | Savana 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1996 | Chevrolet | C1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1996 | Chevrolet | Express 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1996 | Chevrolet | Express 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1996 | GMC | C1500 | 4.3L | V6 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1996 | GMC | Savana 1500 | 5.7L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
| 1996 | GMC | Savana 2500 | 5.0L | V8 | N/A | Complete Set (Contains all required upstream and downstream oxygen sensors); OE Replacement |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.