Skip to content

42831979 Genuine GM Front Headlamp Assembly For Cadillac XT4 2.0L L4

P/N: 42831979 Manufactured by: GM
Original price $1,559.00 - Original price $1,559.00
Original price
$1,559.00
$1,559.00 - $1,559.00
Current price $1,559.00
1 in Stock
Condition: New
We accept:
  • PayPal
  • Venmo
Need help choosing the right part?Contact our support team
+1 828-705-1030
Monday – Saturday | 8:00 AM – 8:00 PM (EST)
2-3 Day Free Shipping
Return within 30-Days
Packed Ready to Ship
24/7 Expert Support
2-Year Warranty

Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More

Description

The 42831979 is a genuine GM front headlamp assembly designed as a direct fit for the 2024–2025 Cadillac XT4 with the 2.0L L4 engine. It restores factory lighting output and beam pattern without requiring modifications to the existing wiring harness or mounting points.

Vehicle Compatibility

Year Vehicle Engine Trims
2025 Cadillac XT4 2.0L L4 Gas Premium Luxury, Sport
2024 Cadillac XT4 2.0L L4 Gas Luxury, Premium Luxury, Sport


General Specifications

Condition New
Part Number 42831979
Brand GM
Part Type Front Headlamp Assembly
Years 2024–2025
Position Right
Weight 11.8 lb
Lighting Type With Cornering Lamp


Product Features

The 42831979 is a factory-spec front headlamp assembly built to OEM standards for the 2024–2025 Cadillac XT4:

  • Genuine GM part manufactured to original factory specifications
  • Direct bolt-on fitment with no modifications required
  • Matches factory beam pattern and light output for the 2.0L L4 XT4
  • Compatible with the existing wiring harness and mounting hardware
  • Restores correct lens clarity and housing seal integrity
  • Meets original equipment standards for alignment and road illumination

Application Notes

The 42831979 is intended for 2024–2025 Cadillac XT4 vehicles equipped with the factory 2.0L L4 engine and the original GM headlamp system. Confirm driver or passenger side fitment before ordering, as each side is sold separately.

Always verify part number, model year, and headlamp configuration before installation.

Make an offer
Make an offer
Make an offer