/live/media/RB/RB_300863_Generic.jpg)
Dorman 300-863 Alternator Pulley
| Brand | Dorman 300-863 |
|---|---|
| Attachment Type | Bolt-on |
| Bore Size | 0.67 |
| Contact Surface Material | Steel |
| Flanged End | No |
| Friction Material Thickness | Black |
| Installation Hardware Included | No |
| Outside Diameter | 2.37 |
| Oversized Pulley | No |
| Package Contents | 1 Alternator Pulley |
| Type | Serpentine |
| Undersized Pulley | No |
| Fits | Volvo · 10 vehicles |
OE-style replacement. Matches the original pulley’s fit and function for straightforward service.
Bolt-on installation. Attachment type simplifies replacement with no modifications needed.
Steel construction. Built with a durable contact surface for reliable performance.
Cross-references 30782701, G93001 and  49706 for the same application. See all 3.
Alternator Pulley for Volvo S40 and V40
This Dorman alternator pulley is built to match the original fit and function on specified Volvo applications. It uses quality materials and a steel contact surface for dependable operation in the charging system.
- Brand: Dorman alternator pulley, part number 300-863
- Serpentine pulley design with bolt-on attachment
- Black finish with steel contact surface material
- Outside diameter: 2.37 in.; bore size: 0.67 in.
- Direct replacement for select Volvo S40 and Volvo V40 models with a 120 amp alternator
- Cross-reference part numbers include 30782701 and G93001
Detailed Product Overview
Designed for the alternator and generator system, this Dorman 300-863 pulley restores the correct pulley profile for specified Volvo S40 and Volvo V40 vehicles. It is a serpentine-style pulley with a bolt-on attachment type, making it a practical OE-style replacement for applications that require the listed dimensions and alternator configuration. The black finish and steel contact surface support consistent belt engagement in normal charging-system service.
Compatible With 2004 Volvo S40, N/A, w/120 Amp Alternator; To Chassis No. 415000-964074. Compatible With 2000-2004 Volvo V40, N/A, w/120 Amp Alternator. Compatible With 2000-2003 Volvo S40, N/A, w/120 Amp Alternator. This part number, 300-863, is a direct-fit option for these Volvo charging-system applications.
Common Problems This Part Can Address
- Worn or damaged alternator pulley surfaces
- Belt tracking issues caused by an incorrect pulley profile
- Charging-system noise related to pulley wear
- Fitment problems after alternator service on select Volvo S40 and V40 models
- Loss of proper serpentine belt engagement at the alternator
Installation Notes and Tips
Verify alternator output rating and chassis breakpoints before ordering. Confirm the pulley outside diameter, bore size, and serpentine configuration match the original part on the vehicle. Because installation hardware is not included, reuse or source the required fasteners as needed for the application. Always inspect the belt, tensioner, and alternator condition during replacement to help ensure proper system operation.
Quality Assurance
Dorman designs this alternator pulley to match the fit and function of the original component on specified applications. Part number 300-863 is engineered from quality materials for reliable performance and durability in the charging system.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Volvo | S40 | 1.9L | L4 | N/A | w/120 Amp Alternator; To Chassis No. 415000-964074 |
| 2004 | Volvo | V40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2003 | Volvo | S40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2003 | Volvo | V40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2002 | Volvo | S40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2002 | Volvo | V40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2001 | Volvo | S40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2001 | Volvo | V40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2000 | Volvo | S40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| 2000 | Volvo | V40 | 1.9L | L4 | N/A | w/120 Amp Alternator |
| No rows match your filter. | ||||||