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Dorman 635-129 Engine Timing Cover
Durable Aluminum Engine Timing Cover for Ford and Lincoln Vehicles
The Dorman 635-129 engine timing cover is designed to provide reliable protection for the valve train components in select Ford and Lincoln models. Crafted from aluminum, this silver timing cover offers a precise fit and includes essential sealing components to ensure optimal engine performance.
- Constructed from durable aluminum material for strength and corrosion resistance
- Includes gasket, liquid gasket, and seal for a complete installation
- Compatible with Ford Expedition, F-150, Lincoln Mark LT, and Navigator models
- Dimensions: 27.25 inches width, 17 inches length, and 5 inches depth
- Features 17 mounting holes with a diameter of 9.8 mm for secure attachment
- Regular grade type designed for standard engine applications
- Mounting hardware not included
Product Details and Specifications
The Dorman 635-129 engine timing cover is engineered from aluminum, providing a lightweight yet sturdy solution for protecting the timing components of your engine. Its silver finish matches OEM aesthetics and helps resist corrosion over time. The cover measures 27.25 inches wide, 17 inches long, and 5 inches deep, accommodating the specific engine configurations found in Ford Expedition, F-150, Lincoln Mark LT, and Navigator vehicles. With 17 mounting holes sized at 9.8 mm diameter, this timing cover ensures a secure and precise fit. The package includes a gasket, liquid gasket, and seal to facilitate a proper seal and prevent oil leaks, although mounting hardware is not included.
Compatible Vehicles and Applications
This timing cover is compatible with the following makes and models:
- Ford Expedition
- Ford F-150
- Lincoln Mark LT
- Lincoln Navigator
Use the Dorman 635-129 timing cover when replacing worn or damaged covers to maintain engine timing integrity and prevent oil leaks.
Common Issues Addressed by This Timing Cover
- Oil leaks caused by cracked or warped timing covers
- Engine contamination from damaged seals or gaskets
- Wear and corrosion compromising timing cover integrity
- Improper sealing leading to reduced engine performance
- Replacement of OEM timing covers during engine rebuilds or repairs
Installation Notes and Tips
Ensure the engine surface is clean and free of old gasket material before installation. Use the included gasket, liquid gasket, and seal to achieve a proper seal and prevent leaks. Verify the alignment of all 17 mounting holes and torque bolts to manufacturer specifications. Note that mounting hardware is not included and must be sourced separately. Proper installation will help maintain engine timing accuracy and prevent premature wear.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 635-129 engine timing cover undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.
| Brand | Dorman |
| Part Number | 635-129 |
| Color | Silver |
| Depth | 5 |
| Gasket Or Seal Included | Yes |
| Grade Type | Regular |
| Length | 17 |
| Material | Aluminum |
| Mounting Hardware Included | No |
| Mounting Hole Diameter | 9.8 |
| Mounting Hole Quantity | 17 |
| Package Contents | Timing Cover; Gasket; Liquid Gasket; Seal |
| Width (in) | 27.25 in |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2014 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2014 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2013 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2013 | Lincoln | Navigator | N/A | V8 330CID 5.4L (5408cc) | ||
| 2013 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2012 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2012 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2011 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2011 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2010 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2010 | Ford | F-150 | 5.4L | V8 | N/A | |
| 2010 | Lincoln | Mark LT | 5.4L | V8 | N/A | |
| 2010 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2009 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2009 | Ford | F-150 | 5.4L | V8 | N/A | |
| 2009 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2008 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2008 | Ford | F-150 | 5.4L | V8 | N/A | |
| 2008 | Lincoln | Mark LT | 5.4L | V8 | N/A | |
| 2008 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2007 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2007 | Ford | F-150 | 5.4L | V8 | N/A | |
| 2007 | Lincoln | Mark LT | 5.4L | V8 | N/A | |
| 2007 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2006 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2006 | Ford | F-150 | 5.4L | V8 | N/A | |
| 2006 | Lincoln | Mark LT | 5.4L | V8 | N/A | |
| 2006 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2005 | Ford | Expedition | 5.4L | V8 | N/A | |
| 2005 | Ford | F-150 | 5.4L | V8 | N/A | |
| 2005 | Lincoln | Navigator | 5.4L | V8 | N/A | |
| 2004 | Ford | F-150 | 5.4L | V8 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.