OE Quality
60-Day Returns

Bosch AL3310X Alternator
Reliable Remanufactured Alternator for Lexus GS300 and IS300
The Bosch AL3310X alternator is a remanufactured electrical component designed specifically for Lexus GS300 and IS300 models. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent charging performance and durability for your vehicle's electrical system.
- Voltage: 12V for standard automotive electrical systems
- Rotation Direction: Clockwise for proper engine compatibility
- Internal fan type with external fan included for efficient cooling
- Includes pulley with 6 grooves and 57mm outside diameter
- Internal regulator type with external regulator included
- Amperage rating of 100 amps to support vehicle electrical demands
- Aluminum case material and color for lightweight durability
- Plug type 312 with rear view main mounting ear at 6 o'clock position
- Compatible with Lexus GS300 and IS300 models
About Bosch Alternator (Remanufactured) Product Line
The Bosch Alternator (Remanufactured) product line offers high-quality remanufactured alternators that restore original equipment performance. Each unit undergoes rigorous testing and refurbishment to ensure reliability and longevity. The AL3310X is part of this line, providing a cost-effective solution without compromising on Bosch’s engineering standards.
Detailed Product Description
This Bosch AL3310X alternator features a 12-volt system with a clockwise rotation direction, designed to fit Lexus GS300 and IS300 vehicles. It includes an internal fan complemented by an external fan to maintain optimal operating temperatures. The alternator comes with a 6-groove pulley measuring 57mm in diameter, suitable for the specified belt type. The internal regulator is supported by an external regulator included in the assembly, ensuring stable voltage output. Constructed with an aluminum case, this alternator balances durability and weight efficiency. The plug type 312 and mounting ear positioned at 6 o'clock facilitate straightforward installation and secure fitment.
Common Issues Addressed by This Alternator
- Battery not charging or slow charging
- Dim or flickering dashboard lights
- Electrical system warning lights illuminated
- Unusual noises from the alternator area
- Vehicle stalling or difficulty starting due to electrical failure
Installation Notes and Tips
- Ensure vehicle compatibility with Lexus GS300 or IS300 before installation
- Disconnect the battery prior to removal of the old alternator
- Verify pulley alignment and belt tension after installation
- Check electrical connections for secure fitment of plug type 312
- Test charging system voltage output post-installation to confirm proper function
Quality Assurance and Warranty
This Bosch AL3310X remanufactured alternator is tested to meet strict quality standards, ensuring reliable performance consistent with original equipment. It is packaged securely in a box to prevent damage during transport. Warranty details are provided by Bosch and typically cover defects in materials and workmanship for a specified period. Refer to Bosch documentation for exact warranty terms.
| Brand | Bosch |
| Part Number | AL3310X |
| Position | Alternator (Remanufactured) |
| Amperage Rating | 100 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| Cases Per Pallet (ORLY) | 100 |
| External Fan Included | Yes |
| External Regulator Included | Yes |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | ND |
| Outside Pulley Diameter | 57 |
| Packaging | Box |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 10 |
| Plug Type | 312 |
| Pulley Groove Quantity | 6 |
| Pulley Included | Yes |
| Pulley Type | 6S |
| Pulley Type / Belt Type (Alternator) | 6S |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Unit(s) per Car Qty (ORLY) | 1 |
| Voltage | 12 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2005 | Lexus | IS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2004 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2004 | Lexus | IS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2003 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2003 | Lexus | IS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2002 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2002 | Lexus | IS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2001 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2001 | Lexus | IS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 2000 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 1999 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (Remanufactured) |
| 1998 | Lexus | GS300 | 3.0L | L6 | N/A | To 100 Amp Alternator; Alternator (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.