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Standard Ignition ALS3550 ABS Wheel Speed Sensor - Front Left
| Brand | Standard Ignition ALS3550 |
|---|---|
| Position | Front Left |
| Mounting Hardware Included | No |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Attachment Method | Direct, snap fit |
| Color/Finish | Black |
| Connector Quantity | 1 |
| Connector Shape | Rectangular |
| Dust Shield Included | No |
| Hardware Included | No |
| Harness Length - inches | 29.25 |
| Harness Length - mm | 742.95 |
| Mounting Bracket(s) Included | No |
| Mounting Hole Quantity | 1 |
| Mounting Location | Spindle |
| Mounting Type | Bolt mount |
| Number of Bolt Holes | 1 |
| Terminal Type | Blade |
| Wiring Harness Included | Yes |
| Fits | Cadillac · 4 vehicles |
Direct, snap-fit design. Simplifies installation with a bolt-mount setup.
Wiring harness included. Comes ready with a 29.25-inch harness.
Black finish. Clean, low-profile look for the sensor assembly.
Cross-references 533938, 84993132 and ABS3550 for the same application. See all 4.
ABS Wheel Speed Sensor for Cadillac CT5
Standard Ignition ALS3550 is an ABS wheel speed sensor built for the front left position on select 2022-2025 Cadillac CT5 models. It uses a direct, snap-fit attachment method with a bolt-mount spindle location and a 29.25-inch wiring harness for a clean OE-style replacement.
- Fits 2022-2025 Cadillac CT5, front left
- ABS wheel speed sensor for brake and stability system input
- Direct, snap-fit attachment with bolt-mount installation
- Female connector with 2 terminals and rectangular connector shape
- Black finish with integrated wiring harness
- Spindle mounting location with 1 mounting hole and 1 bolt hole
Detailed Product Overview
Standard Ignition ALS3550 is engineered for vehicles that rely on accurate wheel speed data for ABS operation. On the Cadillac CT5, front left wheel speed information is used by the braking system to monitor wheel rotation and support consistent anti-lock brake performance. This sensor features a female connector, male blade terminals, and a direct-fit harness layout to match the original mounting style.
This part cross-references 533938 and 84993132 for the same application. Standard Ignition ALS3550 is also listed under interchange numbers ABS3550 and ABSB10492.
What This Sensor Helps Address
- ABS warning light caused by a failed front left wheel speed sensor
- Loss of wheel speed signal to the brake control system
- Erratic ABS activation from an inconsistent sensor reading
- Traction control or stability system faults tied to wheel speed input
- Intermittent braking system fault codes related to the spindle-mounted sensor
Installation Notes and Tips
Install ALS3550 at the front left spindle location and verify the connector, terminal style, and harness routing before final assembly. Because mounting hardware is not included, reuse the original fasteners if serviceable or source the correct hardware separately. Inspect the wheel bearing area, tone ring, and connector terminals for corrosion or damage before clearing fault codes.
Quality Assurance
Standard Ignition supplies replacement electrical and brake components for service applications, and ALS3550 is built to match the listed fitment for 2022-2025 Cadillac CT5 front left use. Confirm the vehicle year and position against the fitment data before installation.
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Cadillac | CT5 | RWD | 6.2L | V8 | Front Left | — |
| 2024 | Cadillac | CT5 | RWD | 6.2L | V8 | Front Left | — |
| 2023 | Cadillac | CT5 | RWD | 6.2L | V8 | Front Left | — |
| 2022 | Cadillac | CT5 | RWD | 6.2L | V8 | Front Left | — |
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