Standard Ignition ALS257 Vehicle Speed Sensor

Brand Standard Ignition ALS257
Position Rear Center, Rear, Rear Left, and Rear Right
Connector Gender Female
Connector Quantity 1
Connector Shape Rectangular
Mounting Location Differential
Mounting Type Bolt mount
Number of Bolt Holes 1
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits Dodge and Ram · 15 vehicles

Bolt mount. Installs securely with a single-bolt design.

Rectangular connector. Uses a female connector with two blade terminals.

Precision performance. Engineered for durability and long service life.

Cross-references Dayco 71685, Delphi SS20970 and Dorman - OE Solutions 695-371 for the same application. See all 13.

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Vehicle Speed Sensor for Rear ABS Applications

Standard Ignition ALS257 is a differential-mounted vehicle speed sensor built for rear ABS applications on select Ram, Dodge Durango, and Ram 1500/Ram 2500 models. It uses a female rectangular connector with a 2-blade terminal layout for direct electrical connection in the specified rear mounting locations.

Key Features

  • Standard Ignition ALS257 vehicle speed sensor for rear differential mounting
  • Female connector with 1 rectangular connector and 2 male blade terminals
  • Bolt-mount design with 1 bolt hole for secure installation
  • Built for precision signal performance and long service life
  • Coverage for domestic and import ABS sensor applications

Detailed Product Information

Standard Ignition ALS257 is engineered for rear differential ABS speed sensing where accurate wheel-speed input is required for braking system operation. The sensor design centers on controlled manufacturing from component to finished part, helping maintain consistent fit and signal output. This part is used on 2004-2006 Dodge Durango rear, 2004-2005 Dodge Durango rear center, 2007 Dodge Ram 1500 rear, 2008-2009 Dodge Ram 1500 rear center, 2010 Dodge Ram 1500 rear, 2010 Dodge Ram 2500 rear left, 2010 Dodge Ram 2500 rear right, and 2011-2012 Ram 1500 rear. Standard Ignition ALS257 also cross-references Dorman - OE Solutions 695-371 for the same application.

What This Sensor Helps Address

  • ABS warning light caused by a failed rear speed sensor
  • Erratic or missing wheel-speed signal from the differential area
  • Traction control concerns on supported Dodge Durango and Ram applications
  • Brake system fault codes related to rear ABS input
  • Intermittent sensor connection at the rear axle or differential mount

Installation Notes and Tips

Verify the connector shape, terminal style, and mounting location before installation. This sensor mounts at the differential with a bolt-mount design, so inspect the sensor bore, wiring routing, and connector condition during service. Confirm the vehicle position exactly matches the listing, including rear center, rear left, rear right, or rear as shown for the application.

Quality Assurance

Standard Ignition states that it maintains control of the manufacturing process from componentry through finished product. The ALS257 is part of a broad ABS sensor catalog built for precision performance, durability, and service life, with coverage for a wide range of domestic and import ABS applications.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypePositionNotes
2012Ram1500——Rear—
2011Ram1500——Rear—
2010DodgeRam 1500——Rear—
2010DodgeRam 2500—4WDRear Left—
2010DodgeRam 2500—RWDRear Left—
2010DodgeRam 2500—4WDRear Right—
2010DodgeRam 2500—RWDRear Right—
2009DodgeRam 1500——Rear Center—
2008DodgeRam 1500Standard Cab Pickup—Rear Center—
2007DodgeRam 1500——RearCompatible with vehicles equipped with Traction Control.
2006DodgeDurango——N/ACompatible with vehicles equipped with Traction Control.
2005DodgeDurango——N/ACompatible with vehicles equipped with Traction Control.
2005DodgeDurango——Rear CenterCompatible with vehicles equipped with Traction Control.
2004DodgeDurango——N/ACompatible with vehicles equipped with Traction Control.
2004DodgeDurango——Rear CenterCompatible with vehicles equipped with Traction Control.
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 71685Delphi — SS20970Dorman - OE Solutions — 695-371HOLSTEIN — 2ABS2013VEMO — V33-72-00765S657172-589153095756028668AAABS367ABS530957ABSB10017ARA1015