Late Model Large Case High Output Alternator – Internal Fan
Delco AD244 Series | Now Available in 320 & 370 Amps
Boost your late model GM vehicle's charging performance with our upgraded high output alternator, now available in 320 and 370 amp versions. Built from the reliable Delco AD244 series, this alternator is engineered to deliver more amperage at idle and higher overall output, making it ideal for modern vehicles with high electrical demands.
⚙️ Key Features:
- Built from Delco AD244 series alternator
- Fits and plugs in like your OEM alternator (1997–2014 full-size GM vehicles)
- Upgraded stator, rotor, and rectifier for improved low RPM and peak performance
- Available in 320 amp and 370 amp output
- Replaces both large and small case alternators for same-year GM models
- Direct bolt-in and plug-in installation—no modifications needed
🚗 Compatible GM Applications:
- Fits most full-size GM trucks, SUVs, and vans from 1997 to 2014
- Replaces factory AD244 and smaller frame alternators
- Ideal for vehicles with:
- Aftermarket sound systems
- Off-road lighting setups
- Multiple batteries
- Winches or inverters
🔌 Important Fitment Note:
- For 2005 and newer GM vehicles, check your regulator plug type before ordering:
- 4-pin oval plug
- 2-pin square plug
These are not interchangeable—please verify before purchase.
- Need help? Call us at (909) 794-1600 for fitment assistance.