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84143542 Genuine GM Alternator For Express Savana Silverado Sierra 4.3L 6.0L

P/N: 84143542 Manufactured by: GM
Original price $330.00 - Original price $330.00
Original price
$330.00
$330.00 - $330.00
Current price $330.00
6 in Stock
Condition: New
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Description

The 84143542 alternator is designed to generate electrical power and maintain battery charge while the engine is running. It delivers stable voltage output to support vehicle electrical systems and ensures reliable performance across a wide range of GM vans and heavy-duty truck applications.

Vehicle Compatibility

Year Vehicle Engine Trims
2025–2021 Chevrolet Express 2500 / 3500 4.3L V6 - Gas/Flex Base, LS, LT
2025–2021 GMC Savana 2500 / 3500 4.3L V6 - Gas/Flex Base, LS, LT
2020–2017 Chevrolet Express 2500 / 3500 / 4500 4.3L V6 / 4.8L / 6.0L V8 Base, LS, LT
2020–2017 GMC Savana 2500 / 3500 / 4500 4.3L V6 / 4.8L / 6.0L V8 Base, LS, LT
2019–2015 Chevrolet Silverado 2500 HD / 3500 HD 6.0L V8 - Gas/CNG/Flex High Country, LT, LTZ, WT
2019–2015 GMC Sierra 2500 HD / 3500 HD 6.0L V8 - Gas/CNG/Flex Base, Denali, SLE, SLT
2019–2017 Chevrolet Suburban 3500 HD 6.0L V8 - Gas/Flex LS, LT


General Specifications

Condition New
Part Number 84143542
Brand GM
Part Type Alternator
Years 2015–2025
Part Description Generator Assembly
Dimensions 14.2 x 13.6 x 10.2 inches
Weight 12.35 Pounds
Fitment Type Direct Replacement


Product Features

The 84143542 alternator is built to match factory performance and installation requirements:

  • Generates electrical power for vehicle systems during engine operation
  • Maintains proper battery charge under varying load conditions
  • Designed for direct-fit installation with OEM mounting points
  • Provides stable voltage output for factory electrical systems
  • Supports both 4.3L V6 and 6.0L V8 engine applications
  • Integrates with factory wiring and charging system components

Application Notes

The 84143542 alternator is used across multiple GM vans and heavy-duty trucks equipped with 4.3L V6 and 6.0L V8 engines. Proper installation ensures correct charging system performance and long-term electrical reliability.

Always verify part number, engine configuration, and vehicle compatibility before installation.

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