/live/media/O2/O2_2451655_Fro.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
Walker 245-1655 Mass Air Flow Sensor
| Brand | Walker 245-1655 |
|---|---|
| Product line | Walker Mass Air Flow Sensor |
| Fits | Buick, Cadillac, Chevrolet, and GMC · 42 vehicles |
OEM-standard quality. Built to meet or exceed OEM specifications.
Engine sensor expertise. From a long-time maker of fuel system and engine management parts.
Cross-references 55505735 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker Mass Air Flow Sensor 245-1655
Walker Mass Air Flow Sensor 245-1655 is a direct-fit engine management sensor for select Buick, Cadillac, Chevrolet, and GMC applications. It supports accurate airflow measurement for proper fuel delivery and drivability across a wide range of late-model vehicles, including the Buick Encore GX, Cadillac CT4, and Chevrolet Equinox.
Key Features
- Mass air flow sensor for emission control and engine management systems
- Walker Products engineering and manufacturing support for application accuracy
- Built to meet or exceed OEM standards and specifications
- Fits select 2019-2024 Buick, Cadillac, Chevrolet, and GMC models
- Interchange reference: 55505735
Product Details
The Walker Mass Air Flow Sensor line is backed by Walker Products’ long history in fuel system and engine sensor manufacturing. Part number 245-1655 is part of the Walker Mass Air Flow Sensor product line and is intended for vehicles that require precise airflow input to the engine control system. Accurate airflow data helps the ECU calculate fuel delivery, supporting stable idle quality, throttle response, and emissions control. This part number 245-1655 is listed for applications such as 2024 Buick Encore GX, 2022-2024 Cadillac CT4, 2023-2024 Chevrolet Equinox, and 2021-2023 GMC Acadia.
What It Helps Address
- Rough idle caused by inaccurate airflow readings
- Hesitation or poor throttle response
- Check engine light related to mass air flow sensor faults
- Incorrect fuel mixture from faulty sensor input
- Reduced drivability on affected Buick, Cadillac, Chevrolet, and GMC models
Installation Notes and Tips
Verify the connector style and sensor location against the original part before installation. Use the vehicle application data to confirm the correct year, make, and model match for your Buick Encore GX, Cadillac CT4, or Chevrolet Equinox. After installation, clear diagnostic trouble codes and inspect for intake leaks or contamination that could affect sensor readings.
Quality Assurance
Walker Products has supplied fuel system components and engine sensors since 1946 and operates as an ISO 9001/IATF16949 certified manufacturer. Its engineering, product management, and technical support teams help maintain application accuracy and production consistency for parts like 245-1655.
- Fits 2024 Buick Encore GX, Sensor Only
- Fits 2022 Buick Encore GX, Sensor Only
- Fits 2021-2024 Buick Envision, Sensor Only
- Fits 2022-2024 Cadillac CT4, Sensor Only
- Fits 2022-2024 Cadillac CT5, Sensor Only
- Fits 2023-2024 Chevrolet Equinox, Sensor Only
- Fits 2024 Chevrolet Traverse, Sensor Only
- Fits 2023-2024 GMC Terrain, Sensor Only
- Fits 2021-2023 GMC Acadia, Sensor Only
- Fits 2022 Cadillac XT4, Sensor Only
- Fits 2021-2022 Cadillac XT5, Sensor Only
- Fits 2021-2022 Cadillac XT6, Sensor Only
- Fits 2022 Chevrolet Blazer, Sensor Only
- Fits 2022 Chevrolet Trailblazer, Sensor Only
- Fits 2020-2021 Buick Encore GX, Walker Mass Air Flow Sensor
- Fits 2020-2021 Cadillac CT4, Walker Mass Air Flow Sensor
- Fits 2020-2021 Cadillac CT5, Walker Mass Air Flow Sensor
- Fits 2019-2021 Cadillac XT4, Walker Mass Air Flow Sensor
- Fits 2020-2021 Chevrolet Blazer, Walker Mass Air Flow Sensor
- Fits 2021 Chevrolet Trailblazer, Walker Mass Air Flow Sensor
- Fits 2020 Cadillac XT5, Walker Mass Air Flow Sensor
- Fits 2020 GMC Acadia, Walker Mass Air Flow Sensor
- Fits 2019 Cadillac CT6, Walker Mass Air Flow Sensor
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Buick | Encore GX | — | 1.3L | L3 | N/A | Sensor Only |
| 2024 | Buick | Envision | — | 2.0L | L4 | N/A | Sensor Only |
| 2024 | Cadillac | CT4 | — | 2.7L | L4 | N/A | Sensor Only |
| 2024 | Cadillac | CT5 | — | 2.0L | L4 | N/A | Sensor Only |
| 2024 | Chevrolet | Equinox | — | 1.5L | L4 | N/A | Sensor Only |
| 2024 | Chevrolet | Traverse | — | 2.5L | L4 | N/A | Sensor Only |
| 2024 | GMC | Terrain | — | 1.5L | L4 | N/A | Sensor Only |
| 2023 | Buick | Envision | — | 2.0L | L4 | N/A | Sensor Only |
| 2023 | Cadillac | CT4 | — | 2.7L | L4 | N/A | Sensor Only |
| 2023 | Cadillac | CT5 | — | 2.0L | L4 | N/A | Sensor Only |
| 2023 | Chevrolet | Equinox | — | 1.5L | L4 | N/A | Sensor Only |
| 2023 | GMC | Acadia | — | 2.0L | L4 | N/A | Sensor Only |
| 2023 | GMC | Terrain | — | 1.5L | L4 | N/A | Sensor Only |
| 2022 | Buick | Encore GX | — | 1.3L | L3 | N/A | Sensor Only |
| 2022 | Buick | Envision | — | 2.0L | L4 | N/A | Sensor Only |
| 2022 | Cadillac | CT4 | — | 2.7L | L4 | N/A | Sensor Only |
| 2022 | Cadillac | CT5 | — | 2.0L | L4 | N/A | Sensor Only |
| 2022 | Cadillac | XT4 | — | 2.0L | L4 | N/A | Sensor Only |
| 2022 | Cadillac | XT5 | — | 2.0L | L4 | N/A | Sensor Only |
| 2022 | Cadillac | XT6 | — | 2.0L | L4 | N/A | Sensor Only |
| 2022 | Chevrolet | Blazer | LT | 2.0L | L4 | N/A | Sensor Only |
| 2022 | Chevrolet | Trailblazer | — | 1.3L | L3 | N/A | Sensor Only |
| 2022 | GMC | Acadia | — | 2.0L | L4 | N/A | Sensor Only |
| 2021 | Buick | Encore GX | — | 1.3L | L3 | N/A | Walker Mass Air Flow Sensor |
| 2021 | Buick | Envision | — | 2.0L | L4 | N/A | Sensor Only |
| 2021 | Cadillac | CT4 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2021 | Cadillac | CT5 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2021 | Cadillac | XT4 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2021 | Cadillac | XT5 | — | 2.0L | L4 | N/A | Sensor Only |
| 2021 | Cadillac | XT6 | — | 2.0L | L4 | N/A | Sensor Only |
| 2021 | Chevrolet | Blazer | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2021 | Chevrolet | Trailblazer | — | 1.3L | L3 | N/A | Walker Mass Air Flow Sensor |
| 2021 | GMC | Acadia | — | 2.0L | L4 | N/A | Sensor Only |
| 2020 | Buick | Encore GX | — | 1.3L | L3 | N/A | Walker Mass Air Flow Sensor |
| 2020 | Cadillac | CT4 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2020 | Cadillac | CT5 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2020 | Cadillac | XT4 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2020 | Cadillac | XT5 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2020 | Chevrolet | Blazer | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2020 | GMC | Acadia | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2019 | Cadillac | CT6 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| 2019 | Cadillac | XT4 | — | 2.0L | L4 | N/A | Walker Mass Air Flow Sensor |
| No rows match your filter. | |||||||