Part #: 42074

BBB Industries 42074 Alternator

REMAN ALTERNATOR
⚙️ 58 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦REMAN ALTERNATOR
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Savana 2500, Savana 3500, Silverado 2500 HD, Silverado 3500 HD, Suburban 3500 HD, Sierra 2500 HD, and Sierra 3500 HD
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Overview of BBB Industries REMAN ALTERNATOR 42074

The BBB Industries REMAN ALTERNATOR 42074 is designed to provide reliable electrical charging for select Chevrolet and GMC heavy-duty vehicles. With a 150-amp rating and internal voltage regulator, this alternator supports consistent power delivery for demanding applications.

  • 150 Ampere output for robust electrical performance
  • Internal voltage regulator for stable voltage control
  • Air cooling method with internal fan for efficient heat dissipation
  • Conventional pulley with 6 grooves and 2-5/16 inch diameter
  • Compatible with serpentine belt systems
  • Clockwise rotation and negative polarity
  • OE manufacturer Nippondenso design for quality assurance

Detailed Product Description

This remanufactured alternator from BBB Industries features a 150-amp amperage rating suitable for heavy-duty electrical demands. It uses an air cooling method with an internal fan to maintain optimal operating temperatures. The alternator includes a conventional pulley with six grooves, measuring 2-5/16 inches (59 mm) in diameter, designed for serpentine belt compatibility. Its clockwise rotation and negative polarity match original equipment specifications. The internal voltage regulator ensures consistent voltage output, reducing electrical system fluctuations. This alternator is a remanufactured unit based on Nippondenso OE standards, ensuring compatibility and durability for Chevrolet and GMC trucks.

REMAN ALTERNATOR Product Line Information

The REMAN ALTERNATOR line by BBB Industries focuses on remanufactured alternators that meet or exceed original equipment specifications. These units are rebuilt using quality components and tested for performance and reliability. The 42074 alternator is part of this line, offering a cost-effective replacement option for Chevrolet Express, GMC Savana, Sierra, Silverado, and Suburban models requiring a 150-amp alternator with specific pulley and electrical configurations.

Compatible Vehicles and Common Applications

  • Chevrolet Express 2500 and 3500
  • GMC Savana 2500 and 3500
  • Chevrolet Silverado 2500 HD and 3500 HD
  • GMC Sierra 2500 HD and 3500 HD
  • Chevrolet Suburban 3500 HD

This alternator is designed to address issues such as battery charging failure, dim or flickering lights, electrical system warning lights, and insufficient power for vehicle accessories.

Installation Notes and Tips

  • Ensure compatibility with vehicle make and model before installation
  • Verify serpentine belt condition and pulley alignment
  • Disconnect battery before removal and installation to prevent electrical shorts
  • Check wiring harness and plug clock position (position 1) for proper connection
  • Follow torque specifications for mounting bolts and pulley installation

Quality Assurance and Warranty

BBB Industries remanufactured alternators undergo rigorous testing to meet OEM standards. The 42074 alternator is built to provide reliable performance consistent with Nippondenso original equipment. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary.

BrandBBB Industries
Part Number42074
PositionREMAN ALTERNATOR
AC TapNo
Amperage Rating150
Brushless DesignNo
Cooling MethodAir
Decoupled Or Clutch PulleyNo
Fan TypeInternal
Number Of Pulley Grooves6
OE ManufacturerNippondenso
One Wire CapableNo
Outside Pulley Diameter (in)2-5/16
Outside Pulley Diameter (mm)59
Plug Clock Position1
PolarityNegative
Pulley Belt TypeSerpentine
Pulley IncludedYes
Pulley TypeConventional
Rotation DirectionClockwise
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 58 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022ChevroletExpress 25004.3LV6N/A150 Amps; REMAN ALTERNATOR
2021ChevroletExpress 25004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2020ChevroletExpress 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2020ChevroletExpress 25004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2020ChevroletExpress 35004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2020ChevroletExpress 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2020GMCSavana 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2020GMCSavana 25004.3LV6N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2020GMCSavana 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2020GMCSavana 35004.3LV6N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2019ChevroletExpress 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2019ChevroletExpress 25004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2019ChevroletExpress 35004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2019ChevroletExpress 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2019ChevroletSilverado 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2019ChevroletSilverado 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2019ChevroletSuburban 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2019GMCSavana 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2019GMCSavana 25004.3LV6N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2019GMCSavana 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2019GMCSavana 35004.3LV6N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2019GMCSierra 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2019GMCSierra 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2018ChevroletExpress 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2018ChevroletExpress 25004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2018ChevroletExpress 35004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2018ChevroletExpress 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2018ChevroletSilverado 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2018ChevroletSilverado 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2018ChevroletSuburban 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2018GMCSavana 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2018GMCSavana 25004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2018GMCSavana 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2018GMCSavana 35004.3LV6N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2018GMCSierra 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2018GMCSierra 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2017ChevroletExpress 25004.8LV8N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2017ChevroletExpress 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2017ChevroletExpress 35004.8LV8N/ASuitable for 150 Amp alternator applications; REMAN ALTERNATOR
2017ChevroletExpress 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2017ChevroletSilverado 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2017ChevroletSilverado 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2017ChevroletSuburban 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2017GMCSavana 25006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2017GMCSavana 25004.8LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2017GMCSavana 35004.8LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2017GMCSavana 35006.0LV8N/ANDenso Unit; Std; 150 Amps; REMAN ALTERNATOR
2017GMCSierra 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2017GMCSierra 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2016ChevroletSilverado 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2016ChevroletSilverado 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2016ChevroletSuburban 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2016GMCSierra 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2016GMCSierra 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2015ChevroletSilverado 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2015ChevroletSilverado 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2015GMCSierra 2500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR
2015GMCSierra 3500 HD6.0LV8N/AStandard alternator with 150 Amps.; REMAN ALTERNATOR

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

104211-8350104211-8352104211-9720227478942348708884143542

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.