12V Regulator Alternator 41-8851 Fit Thermo King SLXi-200 SLXi-300 SLXi-400
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
12V Regulator Alternator for Thermo King
This 12V regulator alternator, cross-referenced as 41-8851, delivers reliable charging output for Thermo King SLXi-200, SLXi-300, and SLXi-400 refrigeration units. It is a direct replacement component designed to maintain proper battery voltage and system performance. This 12V regulator alternator for Thermo King ensures consistent power for your transport refrigeration needs.
Overview
This 12V regulator alternator is a robust charging solution engineered for Thermo King SLXi-200, SLXi-300, and SLXi-400 units. It converts mechanical energy into electrical power to keep the battery charged and the system running smoothly. Designed as a service part, it replaces worn or failed alternators to restore your unit's electrical integrity.
Built For Performance
- 12-volt output rated for standard heavy-duty transport refrigeration systems
- Regulator built into the alternator housing for consistent voltage control
- OEM cross-reference 41-8851 ensures correct specification matching
- Durable construction resists vibration and temperature extremes
- Direct fit for specific Thermo King models listed
Fits These Machines
- for Thermo King SLXi-200
- for Thermo King SLXi-300
- for Thermo King SLXi-400
On-The-Job Use
- Replaces a failed alternator during routine refrigeration unit service
- Supports continuous operation in over-the-road trucking applications
- Maintains battery charge during long layovers or idle periods
- Works in both urban delivery and long-haul freight environments
Specs At A Glance
| Part Number(s) | 41-8851 |
| Voltage | 12V |
| Type | Regulator Alternator |
Good To Know
Q: Is this alternator a direct replacement for the original unit? A: Yes, it is designed as a direct replacement for the 41-8851 part number, matching the original mounting and electrical specifications for the listed Thermo King models.
Q: Can this alternator be used on other Thermo King units? A: Fitment is confirmed for the SLXi-200, SLXi-300, and SLXi-400. Other models may have different mounting or output requirements, so verify compatibility before ordering.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.