A-Premium Headlight Dimmer Switch for GM Trucks SUVs — Direct-Fit 2003–2007 OE-Style Plug, Durable PA66/GF30

The A-Premium Headlight Switch is a direct-fit replacement dimmer switch engineered to restore reliable headlight, parking light, and instrument-dimmer control on compatible GM trucks and SUVs.

Designed to match original equipment specifications, this A-Premium headlight switch replaces worn or malfunctioning factory units on many Chevrolet, GMC, Cadillac, and Hummer models from the early-to-mid 2000s. It uses the OE-style connector for plug-and-play installation, is built from robust PA66/GF30 plastics and metal conductors, and arrives tested to deliver consistent electrical performance and a factory-fresh appearance.

Which vehicles will this headlight dimmer switch fit?

This switch fits a broad set of GM platforms from approximately 2003–2007. Referencing exact model years and trims ensures proper compatibility before purchase.

• Chevrolet: Silverado 1500/1500 HD/2500/3500, Avalanche 1500/2500, Suburban, Tahoe (various 2003–2007 years)
• GMC: Sierra 1500/1500 HD/2500/3500, Yukon/Yukon XL (2003–2007 years)
• Cadillac & Hummer: Escalade (ESV/EXT 2003–2006) and Hummer H2 (2003–2007)
• Check OEM part numbers like 19381535, 15194803, 901-142 to confirm fitment

How straightforward is the installation?

The A-Premium switch is designed for straightforward replacement with minimal tools required. Its OE-style plug and mounting pattern let you swap the unit quickly, often without removing major dash components.

• Plug-and-play connector mirrors factory wiring for secure electrical engagement
• Direct-fit mounting eliminates the need for modifications or adapters
• Typical installation time is short for anyone comfortable with basic dashboard access
• Keep OEM part numbers handy to verify you’re replacing the correct switch

What materials and quality controls are used?

A-Premium constructs the switch housing from PA66 reinforced with 30% glass fiber for durability and wear resistance. The internal conductors are metal alloys selected for low resistance and long-term electrical stability.

• PA66 + GF30 plastic resists heat and wear in dashboard environments
• Superior metal conductors designed for reliable current flow and low loss
• Each unit undergoes factory quality testing to confirm proper operation
• Made to OE specification for matching look and function

What part numbers and identifiers should I check?

If you’re replacing an OEM unit, verify compatibility using the listed part numbers and cross-references. Matching numbers helps avoid errors and ensures the replacement behaves like the original switch.

• Common cross-reference numbers: 901-142, 901142, 19381535, 15194803
• Additional references: 5322773, 1802311218, 1S8489, D1595G
• Confirm vehicle year and trim alongside part numbers for accurate fitment

Who is this for: The A-Premium Headlight Dimmer Switch is intended for owners and technicians seeking a dependable, cost-effective replacement for failed or flaky headlight controls in GM trucks and SUVs from the 2003–2007 era. It’s a good choice for DIY mechanics who want an OE-style plug-and-play swap as well as professional installers who need a reliable aftermarket unit that matches factory fit and function.