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Remy 21747 Alternator
Reliable Alternator for Oldsmobile Silhouette and Pontiac Trans Sport
The Remy Premium Remanufactured Alternator 21747 is designed to restore proper charging system function in select Oldsmobile and Pontiac vehicles. Engineered to meet OE specifications, this 12-volt alternator provides consistent electrical output for your vehicle's needs.
- Amperage Rating: 140 amps for stable power supply
- Fan Type: External fan for effective cooling
- Remanufactured to OE standards by Remy
- OE Manufacturer: Delco/Delphi for reliable compatibility
- Pulley Included for straightforward installation
- Rotation Direction: Clockwise to match factory setup
- Voltage Regulator: Internal for simplified wiring
About the Premium Remanufactured Product Line
The Premium Remanufactured line from Remy offers alternators that have been carefully rebuilt to meet or exceed original equipment specifications. This process includes thorough testing and replacement of worn components, ensuring dependable performance and longevity. The 21747 alternator benefits from this rigorous remanufacturing process, providing a cost-effective alternative to new units without compromising quality.
Detailed Product Description
This Remy alternator 21747 is specifically designed for 12-volt electrical systems in the Oldsmobile Silhouette and Pontiac Trans Sport models. With a 140-amp output, it supports the electrical demands of these vehicles, including lighting, ignition, and accessory power. The external fan design aids in heat dissipation, helping maintain optimal operating temperatures. The clockwise rotation and included pulley ensure direct compatibility with factory components. An internal voltage regulator simplifies installation by eliminating the need for external regulators.
Common Issues Addressed by This Alternator
- Battery not charging or losing charge while driving
- Dimming or flickering headlights and interior lights
- Electrical accessories malfunctioning or underperforming
- Warning lights related to charging system on the dashboard
- Unusual noises from the alternator area due to worn components
Installation Notes and Tips
Before installation, verify that the alternator matches your vehicle’s make, model, and engine specifications. The included pulley and clockwise rotation match factory settings for the Oldsmobile Silhouette and Pontiac Trans Sport. Ensure battery terminals are disconnected to prevent electrical shorts. After installation, check belt tension and electrical connections for secure fitment. Testing the charging system after installation is recommended to confirm proper operation.
Quality Assurance and Warranty
Remy’s Premium Remanufactured alternators undergo comprehensive testing to ensure they meet original equipment standards. This alternator is built with quality components, including an internal voltage regulator and OE manufacturer parts from Delco/Delphi. While specific warranty details may vary, Remy typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.
| Brand | Remy |
| Part Number | 21747 |
| Position | Premium Remanufactured |
| Amperage Rating | 140 |
| Fan Type | External |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Delco/Delphi |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Oldsmobile | Silhouette | 3.4L | V6 | N/A | Delco Unit; 140 Amps; Premium Remanufactured |
| 1998 | Pontiac | Trans Sport | 3.4L | V6 | N/A | Delco Unit; 140 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.