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Dorman 300-850 Alternator Pulley
| Brand | Dorman 300-850 |
|---|---|
| Attachment Type | Bolt-on |
| Contact Surface Material | Steel |
| Flanged End | No |
| Friction Material Thickness | Silver |
| Inside Diameter | 0.492 |
| Installation Hardware Included | No |
| Outside Diameter | 2.43 |
| Oversized Pulley | No |
| Package Contents | 1 Alternator Pulley |
| Type | Serpentine |
| Undersized Pulley | No |
| Fits | Scion, Toyota, Chrysler, and Dodge · 43 vehicles |
OE-style fit. Matches the original pulley’s fit and function for a direct replacement.
Bolt-on installation. Attaches securely without modifications needed.
Steel construction. Built for reliable performance and durability.
Cross-references Continental 49911, Dayco 892003 and Gates 37015P for the same application. See all 6.
Dorman 300-850 Alternator Pulley
Dorman 300-850 is a serpentine alternator pulley built to match the original pulley’s fit and function on specified applications. It uses a steel contact surface and bolt-on attachment design for dependable operation in charging system service.
Key Features
- Serpentine alternator pulley for charging system repair
- Steel contact surface with silver finish
- Bolt-on attachment type for direct replacement use
- Inside diameter: 0.492 in.; outside diameter: 2.43 in.
- Matches original fit and function on selected vehicles
- Compatible with Toyota Corolla, Toyota Matrix, Scion xD, Chrysler Town & Country, Dodge Caravan, Dodge Grand Caravan, Chrysler Pacifica, and Chrysler Voyager applications
Detailed Description
This alternator pulley is engineered for vehicles that use a serpentine belt drive and a bolt-on pulley design. Dorman 300-850 is built from quality materials to support reliable performance and durability in the alternator drive system. It is a direct-fit replacement for specified applications, including 2009-2013 Toyota Corolla, 2009-2013 Toyota Matrix, and 2008-2013 Scion xD, as well as 2001-2007 Chrysler Town & Country, 2001-2007 Dodge Caravan, 2001-2007 Dodge Grand Caravan, 2004-2006 Chrysler Pacifica, and 2001-2003 Chrysler Voyager.
This part cross-references Gates 37015P and Dayco 892003 for the same application. The Dorman 300-850 alternator pulley is a practical choice when servicing a worn or damaged pulley on Toyota Corolla, Toyota Matrix, or Scion xD charging systems.
What It Helps Fix
- Alternator pulley wear that can affect belt tracking
- Noise from a damaged or rough-running pulley
- Charging system issues caused by pulley damage
- Belt drive problems related to pulley surface wear
- Fitment problems from a mismatched replacement pulley
Installation Notes and Tips
Verify pulley dimensions, belt type, and alternator design before installation. This pulley uses a bolt-on attachment and does not include installation hardware. Confirm the vehicle application against the listed fitment for 2001-2007 Chrysler Town & Country, 2001-2007 Dodge Caravan, 2001-2007 Dodge Grand Caravan, 2004-2006 Chrysler Pacifica, 2001-2003 Chrysler Voyager, 2008-2013 Scion xD, 2009-2013 Toyota Corolla, and 2009-2013 Toyota Matrix.
Quality Assurance
Dorman designs this alternator pulley to match original equipment fit and function on specified applications. The steel contact surface and application-specific dimensions support consistent replacement performance in the charging system.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Scion | xD | 1.8L | L4 | N/A | — |
| 2013 | Toyota | Corolla | 1.8L | L4 | N/A | — |
| 2013 | Toyota | Matrix | 1.8L | L4 | N/A | — |
| 2012 | Scion | xD | 1.8L | L4 | N/A | — |
| 2012 | Toyota | Corolla | 1.8L | L4 | N/A | — |
| 2012 | Toyota | Matrix | 1.8L | L4 | N/A | — |
| 2011 | Scion | xD | 1.8L | L4 | N/A | — |
| 2011 | Toyota | Corolla | 1.8L | L4 | N/A | — |
| 2011 | Toyota | Matrix | 1.8L | L4 | N/A | — |
| 2010 | Scion | xD | 1.8L | L4 | N/A | — |
| 2010 | Toyota | Corolla | 1.8L | L4 | N/A | — |
| 2010 | Toyota | Matrix | 1.8L | L4 | N/A | — |
| 2009 | Scion | xD | 1.8L | L4 | N/A | — |
| 2009 | Toyota | Corolla | 1.8L | L4 | N/A | — |
| 2009 | Toyota | Matrix | 1.8L | L4 | N/A | — |
| 2008 | Scion | xD | 1.8L | L4 | N/A | — |
| 2007 | Chrysler | Town & Country | — | — | N/A | — |
| 2007 | Dodge | Caravan | 3.3L | V6 | N/A | — |
| 2007 | Dodge | Grand Caravan | — | — | N/A | — |
| 2006 | Chrysler | Pacifica | 3.5L | V6 | N/A | — |
| 2006 | Chrysler | Town & Country | — | — | N/A | — |
| 2006 | Dodge | Caravan | 3.3L | V6 | N/A | — |
| 2006 | Dodge | Grand Caravan | — | — | N/A | — |
| 2005 | Chrysler | Pacifica | 3.5L | V6 | N/A | — |
| 2005 | Chrysler | Town & Country | — | — | N/A | — |
| 2005 | Dodge | Caravan | 3.3L | V6 | N/A | — |
| 2005 | Dodge | Grand Caravan | — | — | N/A | — |
| 2004 | Chrysler | Pacifica | 3.5L | V6 | N/A | — |
| 2004 | Chrysler | Town & Country | — | — | N/A | — |
| 2004 | Dodge | Caravan | 3.3L | V6 | N/A | — |
| 2004 | Dodge | Grand Caravan | — | — | N/A | — |
| 2003 | Chrysler | Town & Country | — | — | N/A | — |
| 2003 | Chrysler | Voyager | 3.3L | V6 | N/A | — |
| 2003 | Dodge | Caravan | 3.3L | V6 | N/A | — |
| 2003 | Dodge | Grand Caravan | — | — | N/A | — |
| 2002 | Chrysler | Town & Country | — | — | N/A | — |
| 2002 | Chrysler | Voyager | 3.3L | V6 | N/A | — |
| 2002 | Dodge | Caravan | 3.3L | V6 | N/A | — |
| 2002 | Dodge | Grand Caravan | — | — | N/A | — |
| 2001 | Chrysler | Town & Country | — | — | N/A | — |
| 2001 | Chrysler | Voyager | 3.3L | V6 | N/A | — |
| 2001 | Dodge | Caravan | 3.3L | V6 | N/A | — |
| 2001 | Dodge | Grand Caravan | — | — | N/A | — |
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