Dorman 904-5501 DEF Filler Cap
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$27.95
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.
- Direct replacement - this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles
- Restores functionality - reliable replacement for an original cap that is leaking or failed due to wear
- Durable construction - this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2013 | Mack | CHU | Non-Locking | ||
| 2013 | Mack | CXU | Non-Locking | ||
| 2013 | Mack | GU7 | Non-Locking | ||
| 2013 | Mack | GU8 | Non-Locking | ||
| 2013 | Mack | LEU | Non-Locking | ||
| 2013 | Mack | MRU | Non-Locking | ||
| 2013 | Mack | Pinnacle | Non-Locking | ||
| 2013 | Mack | TD700 | Non-Locking | ||
| 2012 | Mack | CHU | Non-Locking | ||
| 2012 | Mack | CXU | Non-Locking | ||
| 2012 | Mack | GU7 | Non-Locking | ||
| 2012 | Mack | GU8 | Non-Locking | ||
| 2012 | Mack | LEU | Non-Locking | ||
| 2012 | Mack | MRU | Non-Locking | ||
| 2012 | Mack | Pinnacle | Non-Locking | ||
| 2012 | Mack | TD700 | Non-Locking | ||
| 2011 | Mack | CHU | Non-Locking | ||
| 2011 | Mack | CXU | Non-Locking | ||
| 2011 | Mack | GU7 | Non-Locking | ||
| 2011 | Mack | GU8 | Non-Locking | ||
| 2011 | Mack | LEU | Non-Locking | ||
| 2011 | Mack | MRU | Non-Locking | ||
| 2011 | Mack | Pinnacle | Non-Locking | ||
| 2011 | Mack | TD700 | Non-Locking | ||
| 2010 | Mack | CHU | Non-Locking | ||
| 2010 | Mack | CXU | Non-Locking | ||
| 2010 | Mack | GU7 | Non-Locking | ||
| 2010 | Mack | GU8 | Non-Locking | ||
| 2010 | Mack | LEU | Non-Locking | ||
| 2010 | Mack | MRU | Non-Locking | ||
| 2010 | Mack | Pinnacle | Non-Locking | ||
| 2010 | Mack | TD700 | Non-Locking | ||
| 2009 | Mack | CHU | Non-Locking | ||
| 2009 | Mack | CXU | Non-Locking | ||
| 2009 | Mack | GU7 | Non-Locking | ||
| 2009 | Mack | GU8 | Non-Locking | ||
| 2009 | Mack | LEU | Non-Locking | ||
| 2009 | Mack | MRU | Non-Locking | ||
| 2009 | Mack | Pinnacle | Non-Locking |
Product Specifications
| Color: | Blue |
|---|---|
| Housing Color: | Blue |
| Material: | Plastic |
| Package Contents: | Retention Ring |
| Package Quantity: | 1 |
| Universal Or Specific Fit: | Specific |
| Packaging Type: | Box |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 16MF51M | MACK |
| 21148722 | MACK |
| 21148728 | MACK |