Skip to product information
Usually ships in 2–4 business days.
20A 12V Alternator MIA10312 for John Deere Tractor 650 750 1873 Yanmar Perkins
$215.29
Sale price
$215.29
Regular price
Available to Order
This 20A 12V Alternator is a high-quality aftermarket replacement part compatible with John Deere Tractor 650, 750, 1873 and matches OEM Part# MIA10312.
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This precision-engineered 20A 12V alternator is designed to provide reliable power for John Deere utility tractors and compatible Yanmar or Perkins engines. Built to meet or exceed original equipment standards, it ensures consistent battery charging and electrical system performance under demanding agricultural conditions.
Key Features & Performance
- Reliable Output: Delivers a steady 12V 20A charge to maintain battery health and power electrical components.
- Durable Construction: Manufactured with high-quality materials to withstand high heat and vibration.
- Precision Fit: Engineered for a direct bolt-on installation with no modifications required.
- Optimized Efficiency: Features high-grade internal components for long-term service life.
Fitment & Compatibility
- John Deere Models: 650, 750, 1873
- Compatible Engines: Yanmar, Perkins
Technical Specifications
- Part Number(s): MIA10312
- Voltage: 12V
- Amperage: 20A
Frequently Asked Questions
- Q: Does this alternator come with the mounting hardware? A: This listing includes the alternator as shown; existing hardware is typically reused for installation.
- Q: Is this a genuine OEM part? A: This is a premium aftermarket replacement part designed to meet or exceed the performance of the original component.
Compatibility may vary by serial number. Verify fitment before purchase.