The Main Parameters:
| Property | Value |
| Brand | BOSCH |
| Voltage (V) | 12 |
| Amperage (A) | 55 |
| Rotation | CW |
| Pulley Type | Fixed |
Introduce:
Our premium alternator is engineered to Bosch’s rigorous standards, featuring OEM reference 0120489309 and cross-reference Lester 14387. It delivers 12V voltage and 55A amperage, with a clockwise (CW) rotation, a fixed pulley design, 2 pulley grooves, and a 69mm pulley diameter.
This unit is specifically designed for a range of agricultural tractors, including DEUTZ-ALLIS 6265 (4-230 Diesel) from 1986–1988, and multiple DEUTZ-FAHR models such as DX3.10, DX3.30, DX3.50, DX3.60, DX3.70, DX3.80, DX3.90, DX4.10, DX4.50, DX4.70, DX6.05, DX6.10, and DX6.30 (with various diesel engine configurations) from 1984–1988. Whether you’re replacing a worn alternator or upgrading for reliable electrical performance in your agricultural machinery, this unit ensures consistent power to keep your tractor’s electrical systems running smoothly. Built with durable components and adhering to strict quality standards, it guarantees long-lasting reliability in demanding agricultural environments.
For installation, always ensure the tractor is shut down and all electrical systems are disconnected. Match wiring harnesses and pulley alignments precisely. Given the specialized nature of agricultural equipment, if you’re unsure about the installation process, consult a professional mechanic or equipment technician to ensure proper fit and optimal functionality. Choose this Bosch Lester alternator for your DEUTZ-ALLIS or DEUTZ-FAHR tractor and experience dependable power for your agricultural operations.
Advantages:
✅ Massive Cross-OEM InterchangeabilityMatches dozens of OEM part numbers: Lester, PIC, Andre Niermann, Letrika(Iskra), Mahle, Wilson and more. Compatible with mainstream aftermarket brands globally, easy stock matching for distributors.
✅ Heavy-Duty Farm Grade DurabilityStable 55A constant output works reliably under dusty, bumpy farm operation environments, keeps tractor electrical systems running steadily all farming seasons.
✅ Direct Plug-and-Play InstallationSame mounting size & rotation direction as original factory alternator. No modification required, greatly shorten tractor downtime during maintenance.
✅ Complete Spare Parts SupportAll repair components (regulator, rectifier, carbon brush, bearing etc.) are available separately, lower repair cost and extend service life of the alternator.
✅ Strict OEM Manufacturing StandardProduced following Bosch original specifications, consistent electrical performance, stable voltage output to protect tractor batteries & electronic parts.
Features:
Strict finished product testing before delivery to avoid faulty goods
Rich interchange part database to help customers quickly confirm matching models
Small & bulk order both supported, flexible supply for repair shops & wholesalers
Stable stock, fast delivery worldwide
FAQ:
Q1. How long is your delivery time?
A: Generally it takes 45-60 days if the goods are out of stock. If it is in stock, it takes 7 days.
Q2. Do you provide samples ? is it free or extra ?
A: We can provide samples, but we don't take charge of the cost of the sample and the freight cost.
Q3. What are your terms of packing?
A: Generally, we pack our goods in neutral cartons. If you have a legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q4. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q5.How about your warranty?
A:Our warranty is one year.
