HomeIgnition > SwitchesStandard Ignition US-399 Ignition Switch
Part #: US-399

Standard Ignition US-399 Ignition Switch

⚙️ 2 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$67.65Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura, Legend
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition US-399 Ignition Switch

The Standard Ignition US-399 ignition switch is designed specifically for Acura Legend models, providing reliable electrical connection and secure mounting. This bolt-on ignition switch features a durable plastic finish in brown and white, engineered for column mounting with a rectangular male connector.

  • Bolt-on attachment method for secure installation
  • Plastic finish in brown and white for durability
  • Single rectangular male connector with five female blade terminals
  • Designed for column mounting in Acura Legend vehicles
  • Compatible with Acura Legend ignition systems requiring part number US-399

Detailed Product Description

The Standard Ignition US-399 ignition switch is a direct replacement part tailored for Acura Legend models. It features a bolt-on attachment method that ensures a firm and stable fit on the steering column. The switch’s plastic housing is finished in brown and white, providing resistance to wear and environmental factors. It includes one rectangular male connector designed to interface with the vehicle’s wiring harness, equipped with five female blade terminals to maintain secure electrical connections. This ignition switch is engineered to meet the specific mounting and electrical requirements of the Acura Legend, ensuring compatibility and reliable operation.

Common Applications and Problem Resolution

  • Resolves ignition switch failure causing intermittent starting issues
  • Replaces worn or damaged ignition switches affecting electrical connectivity
  • Fixes problems with key recognition or turning in the ignition column
  • Addresses electrical faults related to blade terminal corrosion or damage
  • Restores proper function to the ignition system in Acura Legend vehicles

Installation Notes and Tips

  • Ensure the vehicle battery is disconnected before installation to prevent electrical shorts
  • Verify the part number US-399 matches the existing ignition switch for compatibility
  • Use appropriate tools to remove the steering column cover and access the ignition switch
  • Align the bolt-on attachment points carefully to avoid damage during installation
  • Check all blade terminal connections for secure fit after installation

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The US-399 ignition switch undergoes rigorous quality control to ensure durability and reliable performance in Acura Legend vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberUS-399
Attachment MethodBolt On
ColorBrown, White
Connector GenderMale
Connector ShapeRectangular
FinishPlastic
Mounting LocationColumn
Terminal GenderFemale
Terminal TypeBlade

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1995AcuraLegendN/A
1994AcuraLegendN/A

* 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:

18-05521S6366201-251635130SP0A1153-2779588922050CS782KS6782LS813UL15-139

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