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Dorman 419-012 Accessory Drive Belt Tensioner Assembly
| Brand | Dorman 419-012 |
|---|---|
| Belt Type | Serpentine |
| Inside Diameter | 17 |
| Number of Pulley Bearings | 1 |
| Outside Diameter | 73 |
| Package Contents | Belt Tensioner |
| Pulley Bearing Diameter (mm) | 40 mm |
| Pulley Material | Composite |
| Pulley Quantity | 1 |
| Tensioner Rotation | CW (Clockwise) |
| Width | 27.9 |
| Width | 28 |
| Fits | Ford and Mercury · 11 vehicles |
OE direct replacement. Matches the fit and function of the original belt tensioner.
Composite pulley. Built with a lightweight pulley for dependable belt control.
Serpentine belt tensioner. Keeps accessory drive belt tension consistent and reliable.
Cross-references Continental 49253, Dayco 89262 and Gates 38150 for the same application. See all 6.
Dorman 419-012 Belt Tensioner Assembly
Dorman 419-012 is a replacement accessory drive belt tensioner assembly built to match the fit and function of the original equipment unit on specified vehicles. It is engineered with quality components for durability and tested for reliable operation in serpentine belt systems.
- Replacement accessory drive belt tensioner assembly for serpentine belt applications
- One pulley with 6 grooves for proper belt tracking
- Composite pulley material with a 40 mm pulley bearing diameter
- Clockwise (CW) tensioner rotation
- Designed to match OE fit and function on select Ford and Mercury vehicles
- Part number 419-012 for easy identification and cross-reference
Detailed Product Overview
This belt tensioner assembly is built for the accessory drive belt system and helps maintain proper serpentine belt tension across the pulley path. The pulley measures 73 mm outside diameter, with an inside diameter of 17 mm and a width of 27.9-28 mm, supporting consistent belt alignment in the engine accessory drive. Dorman 419-012 is a direct replacement choice for drivers servicing a Ford Freestar, Ford Windstar, or Mercury Villager with the specified OE-style configuration. This part cross-references Monroe Shocks & Struts (e.g., 5850) for the same application.
Common Problems This Part Can Address
- Serpentine belt squeal caused by weak or inconsistent tension
- Belt flutter or vibration in the accessory drive system
- Uneven belt tracking across the pulley path
- Wear related to a failing tensioner bearing or pulley
- Loss of proper belt tension on Ford Freestar, Ford Windstar, or Mercury Villager applications
Installation Notes and Tips
Verify belt routing, pulley alignment, and clockwise tensioner rotation before installation. Confirm the replacement matches the original tensioner dimensions and groove count for the vehicle. For best results, inspect the serpentine belt and adjacent pulleys for wear while servicing the tensioner assembly. Compatible With 2004-2007 Ford Freestar, 1998-2003 Ford Windstar, and 2002 Mercury Villager.
Quality Assurance
Dorman designs this replacement tensioner assembly to match OE fit and function and subjects it to extensive testing for dependable performance. The part is built with quality components to support durability in everyday accessory drive belt service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Ford | Freestar | — | — | N/A | — |
| 2006 | Ford | Freestar | — | — | N/A | — |
| 2005 | Ford | Freestar | — | — | N/A | — |
| 2004 | Ford | Freestar | — | — | N/A | — |
| 2003 | Ford | Windstar | 3.8L | V6 | N/A | — |
| 2002 | Ford | Windstar | 3.8L | V6 | N/A | — |
| 2002 | Mercury | Villager | 3.3L | V6 | N/A | — |
| 2001 | Ford | Windstar | 3.8L | V6 | N/A | — |
| 2000 | Ford | Windstar | 3.8L | V6 | N/A | — |
| 1999 | Ford | Windstar | 3.8L | V6 | N/A | — |
| 1998 | Ford | Windstar | 3.8L | V6 | N/A | — |
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