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Standard Ignition ALS3733 ABS Wheel Speed Sensor - Front
| Brand | Standard Ignition ALS3733 |
|---|---|
| Position | Front |
| Mounting Hardware Included | No |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Terminal Gender | Female |
| Wiring Harness Included | Yes |
| Attachment Method | Direct, snap fit |
| Color/Finish | Black |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Dust Shield Included | No |
| Hardware Included | No |
| Harness Length - inches | 39.5 |
| Harness Length - mm | 1003.3 |
| Mounting Bracket(s) Included | No |
| Mounting Hole Quantity | 1 |
| Mounting Location | Spindle |
| Mounting Type | Bolt mount |
| Number of Bolt Holes | 1 |
| Terminal Type | Pin |
| Fits | Mazda · 7 vehicles |
Direct snap-fit. Simplifies replacement with a factory-style attachment method.
Factory-style harness. Includes a 39.5-inch lead for routing to the connection point.
Spindle-mounted design. Uses a bolt-mount layout with one mounting hole.
Cross-references Standard Ignition ALS3733, 5S17422 and 534121 for the same application. See all 6.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Overview
Standard Ignition ALS3733 is an ABS wheel speed sensor for the front axle application listed below. It uses a direct, snap-fit attachment method with a single oval connector and a 39.5-inch harness for a clean replacement setup.
Compatible With 2019-2025 Mazda 3, front. The ALS3733 is built with a black finish, female connector and female terminal layout, and a bolt-mount design at the spindle.
Key Features
- ABS wheel speed sensor for brake system signal monitoring
- Direct, snap-fit attachment for straightforward installation
- Single oval connector with 2 terminals and pin-style terminals
- 39.5-inch harness length for routing to the factory connection point
- Bolt-mount spindle installation with one mounting hole
- Black finish with wiring harness included
Detailed Description
Standard Ignition ALS3733 is a replacement ABS wheel speed sensor engineered for the front position on the Mazda 3 application shown here. It features a direct, snap-fit design, a female connector, and a harness length that supports factory-style routing from the spindle to the electrical connection point. The ALS3733 part number is also referenced as 5S17422, 534121, ABSB10794, and BDTS4370X for the same application.
For buyers searching for a Mazda 3 front ABS wheel speed sensor, this part provides the connector style, mounting layout, and harness configuration needed for a proper replacement. Standard Ignition ALS3733 is identified by part number ALS3733 and is listed for 2019-2025 Mazda 3 front fitment.
What It Helps Solve
- ABS warning light caused by a failed wheel speed sensor
- Erratic wheel speed signal input to the brake control system
- Loss of anti-lock braking function from sensor circuit failure
- Connector or harness damage at the spindle-mounted sensor location
Installation Notes
Verify the connector shape, terminal count, mounting type, and harness length against the original sensor before installation. This part uses a bolt-mount, spindle-mounted design with a direct, snap-fit attachment and does not include mounting hardware.
Quality Assurance
Standard Ignition supplies this ABS wheel speed sensor as a cataloged replacement part for the listed Mazda 3 application. Confirm fitment by year, make, model, and position before ordering.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Mazda | 3 | — | — | Front | — |
| 2024 | Mazda | 3 | — | — | Front | — |
| 2023 | Mazda | 3 | 2.5L | L4 | Front | — |
| 2022 | Mazda | 3 | — | — | Front | — |
| 2021 | Mazda | 3 | — | — | Front | — |
| 2020 | Mazda | 3 | 2.5L | L4 | Front | — |
| 2019 | Mazda | 3 | 2.5L | L4 | Front | — |
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