Serpentine Pulley Kits
for Cummins 4B3.3-M Diesel Engines

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We can offer the complete package

For Pricing Please Inquire Below

Upgrade your Cummins 4B3.3-M charging system with the latest Balmar AT200 (200 amp) alternator with MC 614 smart regulator and the new serpentine 8 groove belt pulley kit now exclusively available for the Cummins 4B3.3-M.

The TAD serpentine belt kit along with the Balmar AT200 is designed to deliver approximately 200 amps of 12v DC power at amazingly low engine RPM.

The kit can be ordered as an installed option with a new engine or as a bolt on accessory for current owners.

The power curve below shows the remarkable performance at just above idle and upwards. Enjoy more amps, less fuel, less wear & tear, and less engine noise at anchor.

• When ordering the Serpentine Pulley Kit with 8 Groove Micro Belt system for the Cummins 4B3.3M, to replace the standard 60 amp alternator with a Balmar 621 or AT Series, you will need to fit the High Output Alternator Bracket Kit
• Please specify which alternator you intend to fit to ensure the correct mounting kit and hardware is supplied
• The kit includes a heavy duty alternator bracket, adjusting arm and the necessary hardware and spacers to accommodate the larger alternator

Need More Juice?
We can offer the complete package

For Pricing Please Inquire Below

Upgrade your Cummins 4B3.3-M charging system with the high output Balmar 621 series (70 amp 100 amp 120 amp and 150 amp) alternator with MC 614 smart regulator and the new serpentine 8 groove belt pulley kit now exclusively available for the Cummins 4B3.3-M.

The kit can be ordered as an installed option with a new engine or as a bolt on accessory for current owners.

The serpentine belt kit along with the Balmar 621 is designed to deliver close to 150 amps of 12v DC power at amazingly low engine RPM.

The power curve below shows the remarkable performance at speeds just above idle and upwards. Enjoy more amps, less fuel, less wear & tear, and less engine noise at anchor.

• When ordering the Serpentine Pulley Kit with 8 Groove Micro Belt system for the Cummins 4B3.3M, to replace the standard 60 amp alternator with a Balmar 621 or AT Series, you will need to fit the High Output Alternator Bracket Kit
• Please specify which alternator you intend to fit to ensure the correct mounting kit and hardware is supplied
• The kit includes a heavy duty alternator bracket, adjusting arm and the necessary hardware and spacers to accommodate the larger alternator