HomeStandard Ignition SS-402 Starter Solenoid
Part #: SS-402

Standard Ignition SS-402 Starter Solenoid

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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz and Audi, 450SEL, 450SL, 450SLC, and Fox
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Reliable Starter Solenoid for Automotive Electrical Systems

The Standard Ignition SS-402 starter solenoid is designed to provide dependable performance in your vehicle's starting system. Engineered for 12-volt applications, this solenoid ensures consistent engagement of the starter motor, helping maintain smooth engine starts for various makes and models.

  • 12-volt starter solenoid with male stud terminals
  • Compact length of 1.97 inches (50.038 mm) for versatile installation
  • Two stud-type terminals with 0.16 inch (4.064 mm) lug hole diameter
  • Non-continuous duty design suitable for standard starting cycles
  • Hardware, mounting brackets, and springs not included for custom installation setups

Product Details and Specifications

The Standard Ignition SS-402 starter solenoid features a compact design with a length of just under 2 inches, making it suitable for tight engine compartments. It includes two male stud terminals, each with a lug hole diameter of 0.16 inches, allowing secure electrical connections. This solenoid is rated for 12 volts and is intended for intermittent use during engine starting, not continuous duty. The absence of included hardware or mounting brackets means it can be adapted to specific vehicle requirements or aftermarket setups. Its design supports reliable starter engagement in a variety of automotive applications.

Common Applications and Problem Resolution

  • Replaces faulty or worn starter solenoids causing engine crank failure
  • Addresses intermittent starter engagement issues in 12-volt systems
  • Solves electrical connection problems due to damaged or corroded terminals
  • Restores proper starter motor activation in vehicles with aging components
  • Compatible with multiple vehicle makes and models requiring a 12V solenoid with stud terminals

Installation Notes and Tips

When installing the Standard Ignition SS-402 starter solenoid, ensure the vehicle's battery is disconnected to prevent electrical shorts. Verify terminal polarity and secure connections using appropriate lug sizes matching the 0.16 inch lug holes. Since mounting hardware and brackets are not included, use existing or custom brackets compatible with the solenoid's dimensions. Confirm fitment with your vehicle's service manual or parts guide to ensure compatibility with your specific make and model.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance in automotive electrical systems. The SS-402 starter solenoid undergoes rigorous quality control to ensure durability and consistent operation. Please refer to Standard Ignition's warranty policy for coverage details, typically including protection against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberSS-402
Connector ShapeRound
Continuous DutyNo
Terminal TypeStud
Voltage12

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0001523610191134951M149425-156031-0399SS1049SS646ST646

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.