We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Bosch Remanufactured Starter (02-05 WRX, 04-07 STI)
The Bosch Group is a leading global supplier of technology and services. It employs roughly 413,000 associates worldwide (as of December 31, 2025). The company generated sales of 91 billion euros in 2025. Its operations are divided into four business sectors: Mobility, Industrial Technology, Consumer Goods, and Energy and Building Technology. With its business activities, the company aims to use technology to help shape universal trends such as automation, digitalization, electrification, and artificial intelligence. In this context, Bosch’s broad diversification across regions and industries strengthens its innovativeness and robustness. Bosch uses its proven expertise in hardware, software, and services to offer customers cross-domain solutions from a single source. It also applies its expertise in connectivity and artificial intelligence in order to develop and manufacture intelligent, user-friendly, and sustainable products. With technology that is “Invented for life,” Bosch wants to help improve quality of life and conserve natural resources.
$170.99
SKU
SR4311X
[ Special Order ]
Bosch remanufactured starter motors are built for extreme heat, cold, and high demand. Every engine starter component is 100 percent factory-tested prior to and during remanufacturing to assure it meets or exceeds OE specs.
Key Features
- Built for extremes! Our new and reman starters and alternators are 100% factory tested to ensure reliable performance, under extremes of heat, cold and high demand
- Our new and reman starters and alternators are designed to perform equal to or better than the original equipment parts, that they replace
- Our new and reman starters and alternators are designed to be identical in fit and performance to original equipment parts
- Our new and reman starters and alternators utilize the latest manufacturing technologies and highest quality parts to ensure the best performance and longest life
- Automotive starters and alternators are backed by the Bosch Ultimate Protection Plan when unit is registered at the time of purchase: 2 year, 24 hour Roadside assistance vehicle is jumped or towed for free up to 50 miles
OE Number 23300AA420
Fitment Chart
| Year | Subaru WRX | Subaru WRX STI | ||||
|---|---|---|---|---|---|---|
| 2002 | ✓ | |||||
| 2003 | ✓ | |||||
| 2004 | ✓ | ✓ | ||||
| 2005 | ✓ | ✓ | ||||
| 2006 | ✓ | |||||
| 2007 | ✓ |
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to P65Warnings
| SKU | SR4311X |
|---|---|
| Manufacturer's Part Number | SR4311X |
| Brand | Bosch |
