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Standard Ignition ALS3531 ABS Wheel Speed Sensor - Rear
| Brand | Standard Ignition ALS3531 |
|---|---|
| Position | Rear |
| Mounting Hardware Included | No |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Dust Shield Included | No |
| Harness Length - inches | 19.75 |
| Harness Length - mm | 501.65 |
| Mounting Location | Wheel |
| Mounting Type | Bolt mount |
| Number of Bolt Holes | 1 |
| Terminal Type | Blade |
| Fits | Buick and Chevrolet · 10 vehicles |
Bolt-mount design. Single-hole mounting for a secure wheel sensor replacement.
Rectangular connector. Female housing with male blade terminals for a precise electrical connection.
19.75-inch harness. Provides routing length for rear wheel sensor installation.
Cross-references 533919, 60002341 and ABS3531 for the same application. See all 4.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
ABS Wheel Speed Sensor Overview
Standard Ignition ALS3531 is an ABS wheel speed sensor built for rear wheel mounting with a bolt-mount design and a rectangular female connector. It uses a 19.75-inch harness and a single-bolt mounting point for a direct replacement style installation.
Compatible With Buick Encore GX and Chevrolet Trailblazer rear applications, this sensor is specified for vehicles that need accurate wheel speed input for the anti-lock brake system. The ALS3531 part number is also referenced as ALS3531 for easy catalog matching.
Key Features
- ABS wheel speed sensor for wheel-mounted rear applications
- Bolt-mount design with one mounting hole
- Rectangular connector with female housing and male terminals
- 19.75-inch harness length for routing flexibility
- Two-terminal blade connection
Detailed Description
Standard Ignition ALS3531 is an ABS wheel speed sensor engineered for rear wheel locations on select Buick Encore GX and Chevrolet Trailblazer models. The sensor uses a bolt-mount attachment, a rectangular connector, and a 19.75-inch lead to match the original routing and connection style used in the vehicle’s brake control system. The ALS3531 part number should be verified against the existing sensor and connector layout before ordering.
This part cross-references 533919 and 60002341 for the same application.
What It Helps Address
- ABS warning light caused by a failed wheel speed sensor
- Erratic wheel speed signal input to the brake control system
- Loss of anti-lock brake function from sensor circuit issues
- Connector or harness mismatch during sensor replacement
Installation Notes and Quality
Confirm rear wheel fitment, connector style, terminal count, and harness length before installation. This sensor uses a bolt-mount design and does not include mounting hardware. Standard Ignition is a recognized aftermarket brand for electrical and brake-related replacement parts.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | Chevrolet | Trailblazer | Rear | — |
| 2024 | Buick | Encore GX | Rear | — |
| 2024 | Chevrolet | Trailblazer | Rear | — |
| 2023 | Buick | Encore GX | Rear | — |
| 2023 | Chevrolet | Trailblazer | Rear | — |
| 2022 | Buick | Encore GX | Rear | — |
| 2022 | Chevrolet | Trailblazer | Rear | — |
| 2021 | Buick | Encore GX | Rear | — |
| 2021 | Chevrolet | Trailblazer | Rear | — |
| 2020 | Buick | Encore GX | Rear | — |
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