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WalkerPart #: 242-1400
Walker 242-1400 Ignition Knock (Detonation) Sensor - Left
⚙️ 3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$203.67Free 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
📦Sensor Only, Left
🚗Fitment: Buick, LaCrosse and Rendezvous
🔄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 Ignition Knock (Detonation) Sensor options
Walker 242-1400 Ignition Knock (Detonation) Sensor - Left
| Brand | Walker |
| Part Number | 242-1400 |
| Position | Sensor Only, Left |
| Length | 250.00 |
| Terminal Type | Blade |
| Mounting Hardware Included | Yes |
| Connector Quantity | 1 |
| Connector Shape | Oblong |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Wiring Harness Included | Yes |
| Threaded End Diameter | 8.00 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Buick | LaCrosse | 3.6L | V6 | N/A | Incl.Harness; Sensor Only |
| 2005 | Buick | Rendezvous | 3.6L | V6 | Left | Sensor Only |
| 2004 | Buick | Rendezvous | 3.6L | V6 | Left | Sensor Only |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.