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Durable construction - this part is made from quality materials to ensure reliable performance and long service life.



Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage.



Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience.


Versatile compatibility – both caps are designed to fit 2013-2017 Dodge Ram Diesel Cummins and EcoDiesel trucks with 3. 0l v6 engines. Airtight, precision fit – keep dirt from entering your fuel system thanks to our dual O-ring system of DEF cap that protectors your engine while you’re off road.
Safe cap – neodymium magnet in bottom of dodge diesel fuel cap, when refueling simply place the fuel cap against the steel fuel door and the magnet will conveniently hold it. Both caps are crafted with anodized aluminum which won’t be impacted even after long-term exposure.
1. Dorman
#ad
Dorman 904-5301 Heavy Duty Fluid Reservoir Cap
#adDorman #ad - Restores functionality - reliable replacement for an original cap that is leaking or failed due to wear. Direct replacement - this diesel exhaust fluid DEF filler cap is designed to match the fit and function of the original cap on specified vehicles.Durable construction - this part is made from quality materials to ensure reliable performance and long service life.
More information #ad
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage. Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience.Brand | Dorman #ad |
Manufacturer | Dorman - HD Solutions #ad |
Height | 3.1 Inches |
Length | 3 Inches |
Width | 3.2 Inches |
Part Number | 904-5301 |
Model | 904-5301 |
Warranty | Limited Lifetime Warranty |
More information #ad
2. Dorman
#ad
Dorman 904-5201CD Diesel Exhaust Fluid DEF Filler Cap for Select Freightliner Trucks
#adDorman #ad - Dorman's diesel emissions fluid filler cap effectively prevents diesel exhaust fluid from leaking or spilling through the filler neck. Constructed from high- quality, heat-resistant materials for a long service life.More information #ad
A necessary replacement item for passing inspection in certain states. Direct replacement for a proper fit. Integral for helping to keep pollutants out of the environment, replacement restores the diesel emissions fluid system to proper operation.Brand | Dorman #ad |
Manufacturer | Dorman #ad |
Height | 8.25 Inches |
Length | 2 Inches |
Weight | 0.19 Pounds |
Width | 5.5 Inches |
Part Number | 904-5201CD |
Model | 904-5201CD |
Warranty | Limited Lifetime |
More information #ad
3. Dorman
#ad
Dorman 904-5602CD Diesel Exhaust Fluid DEF Filler Cap for Select Izuzu Trucks
#adDorman #ad - Constructed from high- quality, heat-resistant materials for a long service life. A necessary replacement item for passing inspection in certain states. Direct replacement for a proper fit.More information #ad
Integral for helping to keep pollutants out of the environment, replacement restores the diesel emissions fluid system to proper operation. Dorman's diesel emissions fluid filler cap effectively prevents diesel exhaust fluid from leaking or spilling through the filler neck.Brand | Dorman #ad |
Manufacturer | Dorman #ad |
Height | 8.25 Inches |
Length | 1 Inches |
Weight | 0.13 Pounds |
Width | 5.75 Inches |
Part Number | 904-5602CD |
Model | 904-5602CD |
Warranty | Limited Lifetime |
More information #ad
4. Dorman
#ad
Dorman 904-5601 Diesel Exhaust Fluid DEF Filler Cap for Select Chevrolet/GMC Models
#adDorman #ad - 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.Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage.
More information #ad
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.Brand | Dorman #ad |
Manufacturer | Dorman - HD Solutions #ad |
Height | 3.1 Inches |
Length | 3.1 Inches |
Weight | 1.1 Pounds |
Width | 3.1 Inches |
Part Number | 904-5601 |
Model | 904-5601 |
Warranty | Limited Lifetime Warranty |
More information #ad
5. Stant
#ad
Medium, Stant 10525 Locking Diesel Exhaust Fluid Cap DEF
#adStant #ad - 40 mm locking cap. Fits most class 6 & 8 applications and all reefers. These caps will not corrode. Stainless steel locks. Def blue for easy identification.More information #ad
Brand | Stant #ad |
Manufacturer | Stant #ad |
Height | 3.5 Inches |
Length | 3.5 Inches |
Weight | 0 Pounds |
Width | 3 Inches |
Part Number | 10525 |
Model | 10525 |
More information #ad
6. Dorman
#ad
Dorman 904-5502CD Diesel Exhaust Fluid DEF Filler Cap for Select Volvo Trucks
#adDorman #ad - Direct replacement for a proper fit. Integral for helping to keep pollutants out of the environment, replacement restores the diesel emissions fluid system to proper operation. Constructed from high- quality, heat-resistant materials for a long service life.More information #ad
Dorman's diesel emissions fluid filler cap effectively prevents diesel exhaust fluid from leaking or spilling through the filler neck. A necessary replacement item for passing inspection in certain states.Brand | Dorman #ad |
Manufacturer | Dorman #ad |
Height | 8.25 Inches |
Length | 2.3 Inches |
Width | 5.5 Inches |
Part Number | 904-5502CD |
Model | 904-5502CD |
Warranty | Limited Lifetime |
More information #ad
7. Dorman
#ad
Dorman 904-5401CD Diesel Exhaust Fluid DEF Filler Cap for Select Kenworth/Peterbilt Trucks
#adDorman #ad - Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage. Restores functionality - reliable replacement for an original cap that is leaking or failed due to wear.Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience.
More information #ad
Direct replacement - this diesel exhaust fluid DEF filler cap is designed to match the fit and function of the original cap on specified vehicles. Durable construction - this part is made from quality materials to ensure reliable performance and long service life.Brand | Dorman #ad |
Manufacturer | Dorman #ad |
Height | 8.25 Inches |
Length | 2 Inches |
Width | 5.5 Inches |
Part Number | 904-5401CD |
Model | 904-5401CD |
Warranty | Limited Lifetime |
More information #ad
8. Dorman
#ad
Dorman 904-5501CD Diesel Exhaust Fluid DEF Filler Cap for Select Mack Trucks
#adDorman #ad - A necessary replacement item for passing inspection in certain states. Integral for helping to keep pollutants out of the environment, replacement restores the diesel emissions fluid system to proper operation.More information #ad
Direct replacement for a proper fit. Dorman's diesel emissions fluid filler cap effectively prevents diesel exhaust fluid from leaking or spilling through the filler neck. Constructed from high- quality, heat-resistant materials for a long service life.Brand | Dorman #ad |
Manufacturer | Dorman #ad |
Height | 8.25 Inches |
Length | 2.3 Inches |
Width | 5.5 Inches |
Part Number | 904-5501CD |
Model | 904-5501CD |
Warranty | Limited Lifetime |
More information #ad
9. DEF
#ad
Billet Aluminum Green Fuel Cap Magnetic and Blue DEF Cap for Dodge Ram Cummins 2013-2017 Auto Parts
#adDEF #ad - Simply remove your old fuel cap and reattach your new fuel cap in its place. Easy installation – installing your new cap takes seconds. Simply remove your old DEF cap from the tether and reattach your new fluid cap in its place.Versatile compatibility – both caps are designed to fit 2013-2017 Dodge Ram Diesel Cummins and EcoDiesel trucks with 3. 0l v6 engines. Airtight, precision fit – keep dirt from entering your fuel system thanks to our dual O-ring system of DEF cap that protectors your engine while you’re off road.
More information #ad
Easy. Improved reliability – both caps are carefully crafted with CNC billeted aluminum for longer-lasting durability and reliability over your standard plastic cap. Safe cap – neodymium magnet in bottom of dodge diesel fuel cap, when refueling simply place the fuel cap against the steel fuel door and the magnet will conveniently hold it. Both caps are crafted with anodized aluminum which won’t be impacted even after long-term exposure.
Brand | DEF #ad |
Manufacturer | DEF #ad |
Part Number | 4347559887 |
Model | 13 |
Warranty | Manufacture warranty for 90 days after purchase date |
More information #ad