Grezuton 150A Alternator for 2014–2019 Chevy/GMC Trucks & SUVs — Direct Fit, 12V High Output

Grezuton’s 150-amp replacement alternator restores reliable 12V charging and electrical performance for compatible 2014–2019 GM trucks and SUVs.

This direct-fit alternator is built for high-output electrical demands on Silverado, Sierra, Suburban, Tahoe, Yukon and select Express/Savana models. Engineered with a die-cast aluminum housing, pure copper windings and an internal regulator, it replaces many OEM part numbers (including 22747896, 84143543 and 14007) to deliver steady current, recharge the battery and power onboard electronics.

Which vehicles and engines will this alternator fit?

This alternator fits a broad range of GM trucks and full-size SUVs from model years 2014 through 2019. Confirm the engine size and production year to ensure correct alignment and connector compatibility before purchase.

• Silverado/Sierra 1500: 4.3L V6 and 5.3L/6.2L V8 (2014–2019)
• Silverado/Sierra 2500/3500 & HD: 6.0L/6.6L V8 (2015–2019)
• Suburban/Tahoe/Yukon/Yukon XL: 5.3L, 6.0L, 6.2L, 6.6L (2015–2019)
• Express/Savana 2500/3500: 4.3L & 6.0L (2017–2019) and select 2018–2019 models

What are the technical specs and mechanical features?

The unit delivers 150 amps at 12 volts with a clockwise rotation and an internal regulator. Its construction focuses on durability and thermal protection to meet heavy-duty electrical loads and resist short circuits.

• Voltage: 12V; Amperage: 150A
• Rotation: CW (Clockwise) with S6 pulley groove configuration
• Regulator type: Internal (IR); Fan type: Internal Fan (IF)
• Die-cast aluminum housing and pure copper windings with external insulating coating

How does this alternator compare to OEM or other replacements?

Designed as a direct replacement, the Grezuton alternator matches common OEM mounting, pulley configuration and electrical connections for quick swap-out. It lists numerous OEM and aftermarket cross-reference numbers, making it a practical alternative for rebuilding or repair jobs.

• Cross-references: 14007, 104211-8340, 104211-8350, 104211-9110, 104211-9720 and others
• Direct-fit form factor reduces adaptation work during installation
• Pure copper windings for efficient current flow and heat resistance

What warranty and support are included?

Grezuton backs this alternator with a one-year free replacement policy for manufacturing defects. Customers are encouraged to confirm year, make and model before ordering and to contact Grezuton support with fitment questions.

• One-year free replacement parts service
• Customer support for fitment verification and troubleshooting
• Clear cross-reference list to confirm compatibility before purchase

Who is this for: technicians, DIY mechanics and fleet managers who need a reliable, high-output alternator for late-model GM trucks and SUVs. If your vehicle matches the listed years and engine options and you require a robust 150A alternator with direct-fit dimensions and common OEM cross-references, this Grezuton unit is a practical replacement choice. Always verify fitment with your VIN or existing alternator part number before installation.