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Standard Ignition NS-339 Neutral Safety Switch
| Brand | Standard Ignition NS-339 |
|---|---|
| Connector Gender | Female |
| Mounting Type | Bolt Mount |
| Terminal Gender | Male |
| Terminal Type | Pins |
| Fits | Audi and Volkswagen · 34 vehicles |
Bolt-mount design. Installs securely with a simple bolt-on attachment method.
8-pin connection. Female round connector with eight terminals for reliable electrical contact.
Plastic and metal construction. Combines durable materials in a compact 12V switch.
Cross-references Standard Ignition NS-339, 01L919821 and NS6832 for the same application. See all 5.
Neutral Safety Switch for Audi and Volkswagen
Standard Ignition NS-339 is a 12V neutral safety switch built with a bolt-mount design, 8-pin male terminals, and one round female connector. It is a direct-fit electrical replacement for select Audi and Volkswagen applications, including Audi A4, A6, A8, S4, S8, and Volkswagen Passat models.
Key Features
- Neutral safety switch for automatic transmission starting circuit control
- 12V electrical design with 8 terminals and 8 wires
- Bolt-mount attachment method for secure installation
- Round female connector with male pin terminals
- Plastic and metal construction with black and silver finish
- Wiring harness length: 18.125 in. (460.375 mm)
- Length: 4.25 in. (107.95 mm)
Detailed Description
Standard Ignition NS-339 is a replacement neutral safety switch for vehicles that require a precise transmission range signal to allow starting only in the proper gear position. This part number NS-339 is used across select Audi and Volkswagen platforms, including 1996-2000 Audi A4, 1996-2000 Audi A4 Quattro, 1997-2000 Audi A6, 1997-2000 Audi A6 Quattro, 1997-2000 Audi A8, 1997-2000 Audi A8 Quattro, 2000 Audi S4, 2001-2003 Audi S8, and 1998-2001 Volkswagen Passat. This part cross-references 01L919821 and NS6832 for the same application.
What It Helps Fix
- Engine cranks only in certain gear positions
- No-crank condition when the shifter is in Park or Neutral
- Intermittent starting caused by a worn transmission range switch
- Incorrect starter enable signal from the shift selector circuit
- Transmission position signal faults on Audi and Volkswagen vehicles
Installation Notes and Tips
Verify connector style, terminal count, and vehicle build date before installation. This NS-339 switch uses a bolt-mount design and an 8-pin round connector, so matching the original electrical and mounting layout is important for proper fitment. Confirm application details for 2000 Audi A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, and S4 models with the listed production cutoffs, as well as 2001-2003 Audi S8 and 1998-2001 Volkswagen Passat coverage.
Quality Assurance
Standard Ignition supplies this neutral safety switch as an OE-style electrical replacement for select Audi and Volkswagen applications. The NS-339 is built with plastic and metal materials and a 12V electrical specification to match the original circuit requirements for the listed vehicles.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Audi | S8 | — | 4.2L | V8 | N/A | 8 Pin |
| 2002 | Audi | S8 | — | 4.2L | V8 | N/A | 8 Pin |
| 2001 | Audi | S8 | — | 4.2L | V8 | N/A | 8 Pin |
| 2001 | Volkswagen | Passat | Automatic | — | — | N/A | — |
| 2000 | Audi | A4 | — | — | — | N/A | To 4/00 |
| 2000 | Audi | A4 Quattro | — | — | — | N/A | To 4/00 |
| 2000 | Audi | A6 | — | — | — | N/A | To 4/00 |
| 2000 | Audi | A6 Quattro | — | — | — | N/A | To 4/00 |
| 2000 | Audi | A8 | — | — | — | N/A | To 4/00 |
| 2000 | Audi | A8 Quattro | — | — | — | N/A | To 4/00 |
| 2000 | Audi | S4 | — | 2.7L | V6 | N/A | To Chassis No. 8D-Y-200 000 |
| 2000 | Volkswagen | Passat | Automatic | — | — | N/A | — |
| 1999 | Audi | A4 | — | — | — | N/A | — |
| 1999 | Audi | A4 Quattro | — | — | — | N/A | — |
| 1999 | Audi | A6 | — | — | — | N/A | — |
| 1999 | Audi | A6 Quattro | — | — | — | N/A | — |
| 1999 | Audi | A8 | — | — | — | N/A | — |
| 1999 | Audi | A8 Quattro | — | — | — | N/A | — |
| 1999 | Volkswagen | Passat | Automatic | — | — | N/A | — |
| 1998 | Audi | A4 | — | — | — | N/A | — |
| 1998 | Audi | A4 Quattro | — | — | — | N/A | — |
| 1998 | Audi | A6 | — | — | — | N/A | — |
| 1998 | Audi | A6 Quattro | — | — | — | N/A | — |
| 1998 | Audi | A8 | — | — | — | N/A | — |
| 1998 | Audi | A8 Quattro | — | — | — | N/A | — |
| 1998 | Volkswagen | Passat | Automatic | — | — | N/A | — |
| 1997 | Audi | A4 | — | — | — | N/A | — |
| 1997 | Audi | A4 Quattro | — | — | — | N/A | — |
| 1997 | Audi | A6 | — | — | — | N/A | From 11/97 |
| 1997 | Audi | A6 Quattro | — | — | — | N/A | From 11/97 |
| 1997 | Audi | A8 | — | — | — | N/A | — |
| 1997 | Audi | A8 Quattro | — | — | — | N/A | — |
| 1996 | Audi | A4 | — | — | — | N/A | — |
| 1996 | Audi | A4 Quattro | — | — | — | N/A | — |
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