OE Quality
60-Day Returns

Standard Ignition SC603 Vehicle Speed Sensor
Overview of Standard Ignition Vehicle Speed Sensor SC603
The Standard Ignition Vehicle Speed Sensor SC603 is designed for precise speed measurement in select Audi and Volkswagen models. Engineered with a female rectangular plug-in connector and a sealed O-ring base, this sensor ensures reliable transmission input and output monitoring.
- Connector Gender: Female
- Connector Quantity: 1
- Connector Shape: Rectangular
- Connector Type: Plug in
- Contents: Transmission input and output sensor
- O-ring sealed base for secure fitment
- Terminal Gender: Male
- Terminal Quantity: 3
- Terminal Type: Blade
Detailed Product Description
The SC603 vehicle speed sensor from Standard Ignition is specifically designed to provide accurate speed data by monitoring transmission input and output shafts. Its female rectangular plug-in connector with a single connection point simplifies installation and ensures a secure electrical connection. The sensor features a male blade terminal configuration with three terminals, facilitating reliable signal transmission. The O-ring sealed base helps prevent contaminants from entering the sensor housing, enhancing durability and performance in demanding driving conditions.
This sensor is compatible with various Audi and Volkswagen vehicles, including the Audi A3 and Volkswagen Beetle, Cabrio, Golf, and Jetta models. The SC603 part number ensures you receive the correct sensor tailored for these specific applications.
Common Applications and Issues Addressed
- Restores accurate vehicle speed readings for Audi A3 and Volkswagen Golf transmissions
- Resolves erratic speedometer behavior in Volkswagen Jetta and Beetle models
- Eliminates transmission shifting problems caused by faulty speed sensor signals
- Prevents engine control module errors related to speed sensor malfunction
- Improves overall transmission performance and drivability in Cabrio models
Installation Notes and Tips
- Ensure the O-ring seal is properly seated to prevent leaks and contamination
- Disconnect the battery before installation to avoid electrical shorts
- Verify connector orientation matches the female rectangular plug-in design
- Inspect wiring harness and terminals for corrosion or damage prior to installation
- Use appropriate tools to avoid damaging the blade terminals during connection
Quality Assurance and Warranty
Standard Ignition manufactures the SC603 vehicle speed sensor to meet or exceed OEM specifications for fit, form, and function. The sensor undergoes rigorous testing to ensure reliable performance in Audi and Volkswagen vehicles. While specific warranty terms may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product durability.
| Brand | Standard Ignition |
| Part Number | SC603 |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Connector Type | Plug In |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Volkswagen | Beetle | Automatic | 1.8L | L4 | N/A | |
| 2004 | Audi | A3 | Automatic | N/A | |||
| 2003 | Audi | A3 | Automatic | N/A | |||
| 2002 | Audi | A3 | Automatic | N/A | |||
| 2002 | Volkswagen | Cabrio | Automatic | N/A | w/ Wire | ||
| 2001 | Audi | A3 | Automatic | N/A | |||
| 2001 | Volkswagen | Cabrio | Automatic | N/A | w/ Wire | ||
| 2000 | Audi | A3 | Automatic | N/A | |||
| 2000 | Volkswagen | Cabrio | Automatic | N/A | w/ Wire | ||
| 1999 | Audi | A3 | Automatic | N/A | |||
| 1999 | Volkswagen | Beetle | Automatic | N/A | w/ Wire | ||
| 1999 | Volkswagen | Golf | Automatic | 1.9L | L4 | N/A | w/ Wire |
| 1999 | Volkswagen | Jetta | Automatic | 1.9L | L4 | N/A | w/ Wire |
| 1998 | Audi | A3 | N/A | ||||
| 1998 | Volkswagen | Beetle | Automatic | N/A | For vehicles with wire connections | ||
| 1998 | Volkswagen | Cabrio | Automatic | N/A | w/ Wire | ||
| 1998 | Volkswagen | Golf | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1998 | Volkswagen | Jetta | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1997 | Volkswagen | Cabrio | Automatic | N/A | w/ Wire | ||
| 1997 | Volkswagen | Golf | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1997 | Volkswagen | Jetta | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1996 | Volkswagen | Cabrio | Automatic | N/A | w/ Wire | ||
| 1996 | Volkswagen | Golf | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1996 | Volkswagen | Jetta | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1995 | Volkswagen | Golf | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1995 | Volkswagen | Jetta | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1994 | Volkswagen | Golf | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1994 | Volkswagen | Jetta | Automatic | 2.8L | V6 | N/A | w/ Wire |
| 1993 | Volkswagen | Golf | Automatic | 2.0L | L4 | N/A | w/ Wire |
| 1993 | Volkswagen | Jetta | Automatic | 2.0L | L4 | N/A | w/ Wire |
* 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.