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WAI 13605N Alternator
| Brand | WAI 13605N |
|---|---|
| 12 | 12 |
| Fan Type | Internal |
| Rotation Direction | Clockwise (right) |
| Pulley Included | Yes |
| Family | Bosch |
| Pulley Groove Quantity | 6 |
| Pulley Belt Type | Serpentine |
| Regulator Type | Internal |
| Decoupled Or Clutch Pulley | No |
| Amperage Rating | 90 |
| Fits | Volkswagen · 18 vehicles |
100% new construction. Not remanufactured, with proprietary components and processes.
90-amp output. Built to supply the charging current needed for modern electrical loads.
Bosch-family design. Configured with an internal regulator, internal fan, and serpentine pulley.
Cross-references Bosch 13656, Continental 13605 and Dorman - HELP 13655 for the same application. See all 57.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Alternator Overview
This WAI alternator, part number 13605N, is a 90-amp electrical replacement built for charging-system applications that require a Bosch-family design. It is a 100% new unit, not remanufactured, and uses an internal regulator with an internal fan for consistent output.
Compatible with Volkswagen Golf, Jetta, and Passat applications listed below, this alternator is configured for clockwise rotation, a serpentine belt, and a 6-groove pulley. The included pulley and Bosch family design make it a direct match for select charging-system setups that call for this specification. Part number 13605N is also cross-referenced to Bosch 13656 for the same application.
Key Features
- 90-amp output for charging-system demand
- 100% new construction, not remanufactured
- Internal regulator and internal fan design
- Clockwise rotation with 6-groove serpentine pulley
- Built on a Bosch family platform
Detailed Description
WAI designs this alternator to deliver the amperage needed for modern electrical loads while maintaining the fit and function expected in Bosch-style applications. The 13605N uses an internal regulator, internal fan, and a decoupled-clutch-free pulley setup to match the specified charging configuration. For Volkswagen Golf, Jetta, and Passat vehicles in the fitment list, this unit supports the correct belt and rotation requirements without requiring a remanufactured core. Part number 13605N is a practical replacement choice when the original charging system calls for a 90-amp Bosch-family alternator.
What It Helps Address
- Low charging output from a worn alternator
- Battery warning lights caused by charging-system failure
- Electrical instability from inconsistent alternator performance
- Accessory power issues under electrical load
- Starting problems related to insufficient battery charging
Installation Notes
Verify the vehicle’s original alternator specifications before installation, including amperage, pulley style, rotation direction, and belt type. This unit is listed for Volkswagen applications with no air conditioning and for specific Bosch or Valeo charging-system configurations. Confirm connector and mounting details against the removed part to ensure the correct replacement.
Quality Assurance
WAI states that this alternator is engineered for the amperage output required by today’s vehicles and manufactured as a 100% new unit using proprietary components and processes for service life and performance.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 1998 | Volkswagen | Golf | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1998 | Volkswagen | Jetta | 2.0L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1997 | Volkswagen | Golf | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1997 | Volkswagen | Jetta | 2.0L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1997 | Volkswagen | Passat | 1.9L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1996 | Volkswagen | Golf | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1996 | Volkswagen | Jetta | 2.0L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1996 | Volkswagen | Passat | 1.9L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1995 | Volkswagen | Golf | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1995 | Volkswagen | Jetta | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1995 | Volkswagen | Passat | 1.9L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1994 | Volkswagen | Golf | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1994 | Volkswagen | Jetta | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1994 | Volkswagen | Passat | 1.9L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1993 | Volkswagen | Golf | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1993 | Volkswagen | Jetta | 1.8L | L4 | wo/AC, Opt, wo/AC, Std |
| 1993 | Volkswagen | Passat | 1.9L | L4 | Bosch or Valeo 70 or 90 Amp, wo/AC, Supplied as Bosch 90 Amp |
| 1992 | Volkswagen | Passat | 1.8L | L4 | From 7/1992, wo/AC |
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