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OE Quality
60-Day Returns
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WalkerPart #: 245-1666
Walker 245-1666 Mass Air Flow Sensor
⚙️ 2 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$118.76Free 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.
🔥
✅ 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
🚗Fitment: Cadillac, CT6
🔄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 Mass Air Flow Sensor options
Walker 245-1666 Mass Air Flow Sensor
| Brand | Walker |
| Part Number | 245-1666 |
| Position | Sensor Only |
| Color | Black |
| Terminal Type | Pin |
| Wire Quantity | 4 |
| Connector Quantity | 1 |
| Connector Shape | Oblong |
| Mounting Hole Quantity | 2 |
| Terminal Quantity | 4 |
| Connector Gender | Male |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Cadillac | CT6 | 4.2L | V8 | N/A | Sensor Only |
| 2019 | Cadillac | CT6 | 4.2L | V8 | N/A | Sensor Only |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.