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Remy 20548 Alternator
Reliable Alternator for Ford and Mercury Vehicles
The Remy Premium Remanufactured Alternator 20548 is designed to restore charging system performance in select Ford and Mercury models. Engineered to meet original equipment specifications, this 12-volt alternator provides consistent power delivery for vehicles like the Ford Grand Marquis, LTD, and Mercury Marquis.
- 100 ampere amperage rating for stable electrical output
- External fan type for efficient cooling
- Remanufactured to OEM standards by Remy
- Includes pulley for straightforward installation
- Clockwise rotation direction compatible with specified vehicles
- External voltage regulator type for reliable voltage control
- Compatible with 12-volt electrical systems
About the Premium Remanufactured Product Line
The Premium Remanufactured line by Remy focuses on delivering alternators that have been carefully rebuilt to meet or exceed original equipment manufacturer (OEM) specifications. Each unit undergoes thorough testing and quality checks to ensure durability and performance. This product line offers a cost-effective alternative to new parts while maintaining reliability for Ford and Mercury vehicles.
Product Details and Specifications
This Remy alternator, part number 20548, is specifically designed for Ford and Mercury models including the Grand Marquis, LTD, and Marquis. It features a 100 amp output suitable for standard electrical demands. The external fan design helps maintain optimal operating temperatures, while the included pulley simplifies replacement procedures. The clockwise rotation and external voltage regulator type align with the original equipment setup, ensuring compatibility and proper function within the vehicle's charging system.
Common Applications and Problem Resolution
- Restores charging system functionality in Ford Grand Marquis and Mercury Marquis
- Replaces alternators with insufficient amperage output
- Addresses overheating issues due to fan failure or design
- Solves pulley wear or damage affecting belt operation
- Corrects voltage regulation problems with external regulator setup
Installation Notes and Tips
When installing the Remy 20548 alternator, ensure the pulley is properly aligned with the belt system. Verify the clockwise rotation direction matches the original alternator to avoid mechanical issues. Since this alternator uses an external voltage regulator, confirm the regulator is functioning correctly or replace it if necessary. Follow vehicle-specific service manual instructions for safe and accurate installation.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo comprehensive testing to meet OEM standards. Each unit is inspected for electrical performance, mechanical integrity, and durability. While specific warranty details are not provided here, Remy typically offers coverage on remanufactured parts to ensure customer confidence in product reliability.
| Brand | Remy |
| Part Number | 20548 |
| Position | Premium Remanufactured |
| Amperage Rating | 100 |
| Fan Type | External |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Ford |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | External |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1982 | Ford | LTD | 4.2L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1981 | Ford | LTD | 4.2L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1981 | Ford | LTD | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1981 | Ford | LTD | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1981 | Mercury | Grand Marquis | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1981 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1981 | Mercury | Marquis | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1981 | Mercury | Marquis | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1980 | Ford | LTD | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1980 | Ford | LTD | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1980 | Mercury | Grand Marquis | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1980 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1980 | Mercury | Marquis | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1980 | Mercury | Marquis | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1979 | Ford | LTD | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1979 | Ford | LTD | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1979 | Mercury | Grand Marquis | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1979 | Mercury | Grand Marquis | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1979 | Mercury | Marquis | 5.8L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
| 1979 | Mercury | Marquis | 5.0L | V8 | N/A | w/Alt Plug; Opt; 100 Amps; Premium Remanufactured |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.