2021 Ram 2500 Fuel Filter Location

The 2021 Ram 2500 fuel filter is part of the fuel pump housing, so if you’ve got a filter problem, you’ll need to replace the entire pump.
Written by James Ellaby
Reviewed by Jessa Claeys
The 2021 Ram 2500’s fuel filter is located on the housing in the engine bay, close to the firewall, making it a simple job to replace it.
The Dodge Ram 2500 is one of the best heavy-duty trucks on the market—high-tech features and an impressive interior combine with power and brute force. However, even the strongest vehicles experience occasional issues, so it’s important to know how to repair your Ram when the time comes.
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. In this guide, we’ll focus on the fuel filter, a small but essential component of any vehicle. 

Where is the fuel filter on a 2021 Ram 2500?

The 2021 Ram 2500’s fuel filter is located on the housing in the engine bay, close to the firewall. 
The fuel filter is always located between the fuel tank and the engine. It plays the essential role of filtering out any contaminants or debris before gasoline reaches the engine. In some vehicles, it’s located inside the fuel pump itself, which means that the whole pump needs to be replaced when there’s an issue with the filter.
Luckily, the 2021 Ram 2500 is designed so that the fuel filter can be replaced independently of the fuel pump. To find it, open up the hood and look on the driver’s side near the firewall, which is identifiable by the yellow fuel filter drain.
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Signs of a clogged fuel filter

Now you know what a fuel filter does and where to find it on your Ram 2500, but how do you know if there’s a problem with it? There are some common signs to look out for that indicate you may have a fuel filter problem:
  • Check engine light illuminated
  • Trouble when starting the truck
  • Loud noises from the fuel pump 
  • Idling, sputtering, and engine misfires
  • Weak acceleration
  • Truck stalling frequently
  • Strong odors from the exhaust
It’s important to get your fuel filter replaced if it is having issues because it can also reduce fuel economy and increase emissions. Just like you need pure, clean water to stay refreshed and hydrated, your truck needs clean gasoline to keep the engine running smoothly. 
If you ignore the early warning signs of a damaged fuel filter, your engine could even stop running while you’re driving it, which is a dangerous situation that can be easily avoided.

2021 Ram 2500 fuel filter replacement

The cost of a Ram 2500 replacement fuel filter is about $103 to $116, excluding labor costs. For an original equipment manufacturer (OEM) replacement, you’ll have to pay more, and you’re better off going directly to the dealership. 
But if you’re looking for a more affordable replacement, you can find aftermarket options at a retailer like Advance Auto Parts or O’Reilly Auto Parts. 
If you’re confident in your repair skills, you can try to replace the filter at home to save money on labor costs—but make sure you consult your owner’s manual before you try doing any DIY repairs on your truck.

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