High Output Alternator for Chevrolet Medium/Heavy B7 – Direct Fit, Bolt-On, Plug & Play
Upgrade your Chevrolet Medium/Heavy B7 with this high-output alternator, designed for maximum performance and unmatched reliability. This unit is a *direct-fit replacement, mounting exactly like your factory alternator while delivering significantly more power.
Key Features:
1. Direct Fit & Plug-and-Play Installation
– No modifications should be required! This alternator connects directly to your Chevrolet Medium/Heavy B7's existing brackets and utilizes the same or similar plug.
2. 240A FULL Output @ 1200RPM and 120A @ Idle!
– Unlike competitors, this alternator delivers full output at just 1200 RPM, providing consistent power across all driving conditions.
3. 100% Brand New! Made in the 🇺🇸USA!🇺🇸
- We don't require a core charge because all of our inventory is 100% Brand New. Watch out for the other guys selling 'rewound' eBay junk. 🔊"If they want your core, find a better store!".
4. Monster Audio Performance
– Ideal for high-amperage car audio systems, competitions, and multiple battery setups.
5. One-Year No-Hassle Warranty
– Industry-leading warranty with comprehensive one year coverage!
Why Choose PowerBastards High-Output Alternator?
Designed to handle the increasing electrical demands of your Chevrolet Medium/Heavy B7 while supporting additional accessories, including:
- 🔹 High-Performance Car Stereo & Video Systems (Amps, Subs, Speakers, DVD Players, Inverters)
- 🔹 Overland & Off-Road Vehicles
- 🔹 CB Radios & Communication Equipment
- 🔹 Aftermarket HID & LED Lighting
- 🔹 High-Performance Ignition Systems
- 🔹 Alcohol Injection, Hydrogen Generators
- 🔹 Winches, Air Compressors, & Snow Plows
- 🔹 Law Enforcement, Fleet and Emergency Vehicles
- 🔹 Military and Up Armored Vehicles
- 🔹 Portable AC Power Inverters like CarGenerator
Every unit undergoes rigorous dyno testing before shipment, ensuring you receive a fully functional, 100% guaranteed high-output alternator the first time!
Buy with Confidence! Quality You Can Trust
- ➡️ Better Business Bureau ‘A’ Rating
- ➡️ Battle Tested for Daily Driving and Competition Use
- ➡️ Highest Quality Components for Maximum Compatibility and Reliability
*🔧 Upgrade Your Wiring for Maximum Performance!

Don’t forget to enhance your charging system with our BIG ZERO 0AWG Wire Kit for improved electrical flow and efficiency. This kit is incredibly easy to install and provides maximum current from your new high output alternator directly to your battery.
🚀 Fast Shipping & Hassle-Free Ordering!
📦 Same-Day Shipping: Don't get stuck in the pits for weeks ordering from the other guys. Most orders placed before 2 PM EST, Monday – Friday ship the same day**! Get your high-output alternator delivered fast so you can get back on the road with confidence.
💳 Secure Checkout: We accept all major credit cards, PayPal, Venmo and financing options for a smooth, worry-free transaction.
🔄 Easy Returns & Exchanges: Need a different unit? No problem! We make returns and exchanges simple with our hassle-free process.
☎ Expert Support: Have questions? Our knowledgeable team is here to help with installation, troubleshooting, or recommendations—just give us a call, text, chat or email!
🛒 Order Now & Get Back on the Road!
** Same day shipping does not apply to special orders or powder coating.
Order Your New Chevrolet Medium/Heavy B7 High AMP Alternator Today!
This Alternator Also Fits:- 240A High Output Alternator for Chevrolet Medium/Heavy B7, 1998 - 2002 L6 C5500KodiakCaterpillar3126
- 240A High Output Alternator for GMC T7500, 1996 - 1999 L6 P3500Caterpillar3126
- 240A High Output Alternator for GMC T7500, 1994 - 1999 L6 P3500Caterpillar3116
- 240A High Output Alternator for GMC Medium/Heavy T7500, 1997 - 2002 L6 TopkickC8500CaterpillarC-7
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- 240A High Output Alternator for GMC Medium/Heavy T7500, 1994 - 2002 L6 TopkickC8500Caterpillar3116
- 240A High Output Alternator for GMC Medium/Heavy T7500, 1997 - 2002 L6 T8500Caterpillar3126
- 240A High Output Alternator for GMC Medium/Heavy T7500, 1997 - 1998 L6 T8500Caterpillar3116
- 240A High Output Alternator for GMC Medium/Heavy T7500, 1997 7.2L L6 (441c.i.) Caterpillar3126
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- 240A High Output Alternator for GMC Medium/Heavy C7500 Topkick, 1997 - 2002 L6 T5500Caterpillar3126
- 240A High Output Alternator for GMC Medium/Heavy C7500 Topkick, 1997 - 1998 L6 T5500Caterpillar3116
- 240A High Output Alternator for GMC Medium/Heavy C7500 Topkick, 1998 - 2002 L6 C80Caterpillar3126
- 240A High Output Alternator for GMC Medium/Heavy C7500 Topkick, 1994 - 2000 L6 C80Caterpillar3116
- 240A High Output Alternator for GMC Medium/Heavy C7500 Topkick, 1997 - 2002 7.2L L6 (441c.i.) CaterpillarC-7
- 240A High Output Alternator for GMC Medium/Heavy C7500 Topkick, 1998 - 2002 7.2L L6 (441c.i.) Caterpillar3126
- 240A High Output Alternator for GMC Medium/Heavy C7500 Topkick, 1997 - 1998 6.6L L6 (403c.i.) Caterpillar3116
- 240A High Output Alternator for GMC Medium/Heavy C6500 Topkick, 1999 - 2002 L6 C7500TopkickCaterpillar3116
- 240A High Output Alternator for GMC Medium/Heavy C6500 Topkick, 1994 - 1996 L6 C7500TopkickCaterpillar3116
Interchange Parts:- AIM AO-00177R1
- BBB Industries 7665
- Bosch Newman AL9960LH
- Bosch Reman AL9960LH
- Delco-Remy 19010110
- Dixie Electric Ltd A-1388
- Dixie Electric New 101-21109
- Dixie Electric New 101-22115
- J&N 400-12085
- J&N 400-24125
- Model Number 21SI
- WAI 8028N
- WAI AL9960LH
- Wilson 90-01-4111
- Wilson New 90-01-4111N