Product Name: GM High-Output Alternator (Generator) 150A OE / Cross-Reference Numbers: 1042119110 / TN104211-9110 / 1042119720 / TN104211-9720 / 22747894 / 22747896 / 23487088 / 23487089 / 84143542 / 84143543 / 14007N / 11785 / 2101059 (and related Denso/GM/ACDelco equivalents) Brand Compatibility: Denso OEM-quality (new or premium remanufactured) – matches GM genuine specifications Key Specifications:
- Voltage: 12V (14V charging system)
- Output Current: 150A (high-output for demanding truck/SUV systems)
- Pulley: 6-groove clutch pulley (overrunning alternator pulley / OAP in many variants), diameter ≈ approx. 50-60mm range
- Rotation: Clockwise (CW)
- Regulator: IR/IF (Internal Regulator / Internal Fan)
- Mounting: Direct bolt-on with standard GM fitment
- B+ Connection: M8
Compatible Vehicles (common applications – always verify with VIN or dealer):
- Chevrolet Silverado 1500 (4.3L V6, 5.3L V8) 2014–2018
- Chevrolet Silverado 2500/3500 HD (6.0L/6.6L V8) 2015–2019
- Chevrolet Tahoe / Suburban (5.3L/6.2L V8) 2015–2019
- GMC Sierra 1500 / 2500/3500 HD (various V6/V8) 2014–2019
- GMC Yukon / Yukon XL (5.3L/6.2L V8) 2015–2019
- Chevrolet Express / GMC Savana vans (4.3L V6, 6.0L V8 select 2018–2019)
- Other GM full-size trucks/SUVs with compatible engines (e.g., certain 2014–2019 models with KG4 150A option)
Product Highlights:
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Reliable 150A Output — Provides strong, consistent charging to support heavy-duty features like towing, premium infotainment, power seats, LED lighting, and accessories without voltage drops or battery drain – ideal for work trucks and family SUVs.
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Exact OEM Fit — Bolt-on replacement for GM part 22747894 / 22747896 / Denso 1042119110 / 1042119720. No modifications required; fully compatible with vehicle ECU and diagnostics.
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Quiet & Durable — Clutch pulley reduces belt noise, wear, and vibrations for smooth, long-lasting performance in demanding GM applications.
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Premium Quality — Denso-tested for heat endurance, overspeed, and full-load reliability to match OE standards in truck/SUV conditions.
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Excellent Value — Genuine GM alternators are pricey – this high-spec replacement delivers identical performance at a more competitive price.
Installation Notes:
- Professional installation recommended (engine bay access varies by model).
- Inspect serpentine belt, tensioner, and battery condition before fitting.
- After installation: Clear codes with GM diagnostic tool and verify charging voltage (typically 13.8–14.8V under load).
🔥 Chevy Silverado / GMC Sierra / Tahoe 150A Alternator – Reliable Truck Power! OE Cross: 1042119110 / 1042119720 / 22747894 / 22747896 – Denso Premium Match! Perfect for 2014–2019 Silverado 1500/2500/3500, Tahoe/Suburban, Sierra/Yukon (4.3L–6.6L) – ends dim lights, weak charging, or electrical strain on your full-size GM!
- 150A high-output charging
- 6-groove clutch pulley – quiet & durable
- Direct OEM replacement
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