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85645540 Genuine GM Front Headlamp Assembly For Sierra HD 6.6L V8

P/N: 85645540 Manufactured by: GM
Original price $1,568.00 - Original price $1,568.00
Original price
$1,568.00
$1,568.00 - $1,568.00
Current price $1,568.00
1 in Stock
Condition: New
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Description

The 85645540 is a genuine GM front headlamp assembly designed for Sierra HD models equipped with the 6.6L V8 engine. It provides proper forward lighting and maintains correct integration with the factory electrical and mounting system.

Vehicle Compatibility

Year Vehicle Engine Trims
2025 GMC Sierra 2500 HD 6.6L V8 Diesel, 6.6L V8 Gas Pro, SLE
2025 GMC Sierra 3500 HD 6.6L V8 Diesel, 6.6L V8 Gas Pro, SLE
2024 GMC Sierra 2500 HD 6.6L V8 Diesel, 6.6L V8 Gas Pro, SLE
2024 GMC Sierra 3500 HD 6.6L V8 Diesel, 6.6L V8 Gas Pro, SLE


General Specifications

Condition New
Part Number 85645540
Brand GM
Part Type Front Headlamp Assembly
Years 2024–2025
Vehicle GMC Yukon
Position Right
Trim Compatibility Pro, SLE
Lighting Configuration Type 3


Product Features

The 85645540 front headlamp assembly is built to match factory performance and installation requirements:

  • Designed for Sierra HD applications to ensure proper fit and positioning.
  • Supports factory lighting system operation with correct electrical compatibility.
  • Direct-fit construction allows proper alignment with original mounting locations.
  • Maintains correct beam pattern for consistent visibility on the road.
  • Compatible with OEM connectors and factory hardware.
  • Built to GM specifications for proper function and service life.

Application Notes

The 85645540 is intended for Sierra HD vehicles equipped with the 6.6L V8 engine and factory headlamp system. It installs using factory mounting points and standard electrical connections.

Always verify part number and vehicle configuration before installation.

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