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ALTERNATOR A.(20A) FOR KOMATSU 3D82E 3D82AE 3D84E 3D84N PC15R-8 PC12R-8
$156.29
Sale price
$156.29
Regular price
Available to Order
This Alternator (20A) is a high-quality aftermarket replacement part compatible with Komatsu 3D82E, 3D82AE, 3D84E, 3D84N, PC15R-8, and PC12R-8.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This 20-amp alternator is engineered to provide reliable electrical power for Komatsu industrial engines and mini excavators. Built as a direct replacement part, it ensures the charging system maintains battery health and supports all onboard electronics during operation.
Key Features & Performance
- High-quality construction ensures long-lasting performance in demanding environments.
- Precision-engineered for a direct fit and easy installation.
- Consistent 20-amp output provides stable power to the electrical system.
- Tested to meet rigorous standards for charging efficiency.
Fitment & Compatibility
- Engine Models: Komatsu 3D82E, 3D82AE, 3D84E, 3D84N
- Machine Models: Komatsu PC12R-8, PC15R-8
Technical Specifications
- Amperage: 20A
- Application: Construction and Industrial
Frequently Asked Questions
Q: Does this unit replace the original 20A alternator on my Komatsu engine? A: Yes, this is designed to be a direct aftermarket replacement for the 20A charging units found on the specified Komatsu engine series.
Q: Does the alternator include the mounting hardware? A: This unit includes the alternator itself; existing mounting hardware from the machine is typically reused for installation.
Compatibility may vary by serial number. Verify fitment before purchase.