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25866299 Genuine GM Door Lock Assembly For Silverado Sierra 4.8L 5.3L

P/N: 25866299 Manufactured by: GM
Original price $389.00 - Original price $389.00
Original price
$389.00
$389.00 - $389.00
Current price $389.00
7 in Stock
Condition: New
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Description

The 25866299 is a genuine GM front door lock assembly that controls latch engagement and locking function within the front door. It keeps the door securely latched under load and ensures proper release when the handle or lock system is activated.

Vehicle Compatibility

Year Vehicle Engine Trims
2010 Chevrolet Silverado 1500 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8 Hybrid, LT
2010 Chevrolet Silverado 2500 HD 6.0L V8, 6.6L V8 Diesel LT
2010 Chevrolet Silverado 3500 HD 6.0L V8, 6.6L V8 Diesel LT
2010 GMC Sierra 1500 5.3L V8, 6.0L V8, 6.2L V8 Denali, Hybrid, SLT
2010 GMC Sierra 2500 HD 6.0L V8, 6.6L V8 Diesel SLT
2010 GMC Sierra 3500 HD 6.0L V8, 6.6L V8 Diesel SLT
2009 Chevrolet Silverado 1500 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8 Hybrid, LS, LT, LTZ, WT
2009 Chevrolet Silverado 2500 HD 6.0L V8, 6.6L V8 Diesel LT, LTZ, WT
2009 Chevrolet Silverado 3500 HD 6.0L V8, 6.6L V8 Diesel LT, LTZ, WT
2009 GMC Sierra 1500 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8 Denali, Hybrid, SL, SLE, SLT, WT
2009 GMC Sierra 2500 HD 6.0L V8, 6.6L V8 Diesel SLE, SLT, WT
2009 GMC Sierra 3500 HD 6.0L V8, 6.6L V8 Diesel SLE, SLT, WT


General Specifications

Condition New
Part Number 25866299
Brand GM
Part Type Door Lock Assembly
Years 2009–2010
Position Front
Fitment Type Direct replacement
Weight 1.50 lb
Dimensions 12.4 x 8.5 x 6.5 inches


Product Features

The 25866299 door lock assembly is built to match factory performance and installation requirements:

  • Controls front door latch engagement and locking operation
  • Designed specifically for front door mounting and linkage setup
  • Ensures secure latch hold during vehicle operation
  • Provides smooth release through handle and lock inputs
  • Matches OEM mounting points and internal linkage geometry
  • Built to GM specifications for proper fit and consistent operation

Application Notes

The 25866299 is intended for vehicles equipped with the factory door locking system listed above. It must be aligned correctly during installation so the latch engages fully and operates without binding.

Always verify part number, vehicle application, and door position before installation.

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