
The Polaris RZR is an off-road vehicle with a fuel tank that is known to collect contaminants. While there is some debate over whether or not the Polaris RZR has a fuel filter, some users have reported that the fuel filter is located within the fuel tank on the pickup tube and is not replaceable. However, others have suggested that it is possible to install an aftermarket fuel filter by cutting the fuel line and clamping a new one on. Some older models of the Polaris RZR are also said to have a canister filter located under the front cargo box.
| Characteristics | Values |
|---|---|
| Fuel filter location | In the fuel tank on the pickup tube |
| Replaceable fuel filter | Not replaceable, but a complete tank and pump assembly must be bought |
| Fuel filter type | Aftermarket Assassins Fuel Filter (Strainer) |
| Fuel filter replacement | Requires removing the fuel pump |
| Fuel filter replacement cost | $25 |
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What You'll Learn

Polaris RZR fuel filters are located within the fuel tank
There are two types of filters in the Polaris RZR. The first is a clear filter, which can be found at the bottom of the fuel sending unit inside the tank. This filter will likely not plug up. The second type is a Non-Servicable Fines Filter, which is located between the fuel pump and the fuel pressure regulator. This filter will plug up.
Some older Polaris RZR models have a serviceable filter located under the front cargo box. This is a canister filter, similar to those found in some vehicles. However, newer models do not have this feature. Instead, newer models have a sock that is integral to the pump assembly. While this sock can be replaced, it is not considered a routine maintenance procedure.
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The filter is part of the pump assembly
Polaris RZR fuel-injected vehicles have a fuel filter that is part of the pump assembly. The filter is located inside the fuel tank, at the end of the fuel pump.
The fuel filter is not sold separately, so the entire assembly must be replaced. This can be done by removing the fuel pump cap with a screwdriver and hammer or the OEM Polaris wrench tool, unscrewing the fuel pump cap, and then removing the OEM clip and filter from the bottom of the pump. The AA filter and locking clip can then be installed, and all components reassembled.
The fuel filter should be replaced annually, as off-road vehicles are more susceptible to collecting contaminants in the tank. A clogged fuel filter can limit fuel flow, causing issues with engine performance and potentially damaging the motor and fuel pump.
Some older Polaris RZR models, such as the 2006 500X2, feature a canister filter located under the front cargo box. This filter can be replaced without replacing the entire assembly.
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Filters can be replaced, but not routinely
Polaris RZR fuel filters can be replaced, but not routinely. The fuel filter is located in the fuel tank on the pickup tube and is not considered a routine maintenance procedure. It is integral to the pump assembly, so the entire assembly must be replaced. This can be costly and inconvenient, as the assembly is not sold separately.
Some older models of the Polaris RZR do have a serviceable filter, located under the front cargo box. However, newer models do not have this feature. For these newer models, the fuel filter can be replaced by removing the fuel pump cap, taking out the old filter, and installing a new one. This process is relatively easy on these models.
It is important to note that a clogged fuel filter can cause issues with the vehicle's performance and may even damage the motor and fuel pump. As such, it is recommended to replace the fuel filter annually, especially for off-road vehicles that are more susceptible to collecting contaminants in the tank.
There are also aftermarket fuel filters available for the Polaris RZR, such as the Aftermarket Assassins Fuel Filter (Strainer) for Polaris RZR XP Turbo / Pro XP / Turbo R, which is available for $25. This aftermarket option allows for easier replacement without the need to purchase a new assembly.
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Clogged filters can cause engine issues
Fuel filters are essential for maintaining the cleanliness and efficiency of your vehicle's fuel system. They prevent contaminants such as dirt, rust, and debris from reaching the engine. A clogged fuel filter can starve the engine of fuel, making it difficult or sometimes impossible to start the vehicle. This can cause inconvenience and leave you stranded without warning.
A clogged filter can also force the fuel pump motor to work harder, causing a whining or buzzing sound. Inadequate fuel reaching the injectors can make the engine sound like it is choking and ready to stall. While these are common symptoms of a clogged fuel filter, they are not always caused by a clogged filter, and other issues could be at play.
A clogged air filter can also cause issues with the engine. Reduced airflow can lead to reduced engine performance and power, sluggish acceleration, and reduced fuel economy. A very dirty air filter can allow dirt and particulates into the engine, causing substantial wear and tear over time. This can result in increased emissions and potential failure of emission tests.
Clogged filters can also cause engine damage, including warped cylinder heads and blown gaskets. In addition, a clogged filter can lead to damaged spark plugs due to an excess of unburnt fuel, which can cause carbon deposits.
It is important to maintain your vehicle's fuel and air filters regularly to avoid these issues. Replacing a clogged fuel filter can be easily done without special tools, and replacing an air filter is a simple operation that can be performed with basic hand tools.
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Aftermarket filters are available
Polaris RZR fuel filters are not replaceable, and the OEM does not sell replacement filters. However, aftermarket filters are available, and they can be a great solution for your RZR. Aftermarket Assassins Fuel Filter (Strainer) is one such option, compatible with Polaris RZR XP Turbo, Pro XP, and Turbo R models from 2016 to 2021. Priced at just $25, it is a cost-effective solution.
To replace the fuel filter, you will need to remove the fuel pump cap, which can be done with a screwdriver and hammer or the OEM Polaris wrench tool. Once the cap is off, simply remove the OEM clip and filter from the bottom of the pump and replace them with the Aftermarket Assassins filter and locking clip. It is a straightforward process, but it is always recommended to refer to the service manual or seek professional assistance if you are unsure.
It is important to note that the fuel filter should be replaced annually, especially for off-road vehicles. Off-road vehicles tend to sit for longer periods, leading to a higher risk of contaminants in the tank. A clogged fuel filter can cause running issues, low power, and potential harm to your motor and fuel pump. Therefore, regular replacement is essential for maintaining optimal performance and prolonging the life of your vehicle's components.
In addition to the Aftermarket Assassins Fuel Filter, other aftermarket options are available. For example, some vendors offer replacement fuel pumps with a new filter bag included. This can be a convenient solution if you are already planning to replace the fuel pump or if your current pump is showing signs of wear.
When considering aftermarket filters, it is important to ensure compatibility with your specific Polaris RZR model and year. While some aftermarket filters are designed for a range of models and years, others may be more limited in their compatibility. Always refer to the product specifications and consult with a trusted mechanic or Polaris RZR specialist if you have any doubts. By choosing the right aftermarket filter and maintaining a regular replacement schedule, you can ensure the optimal performance and longevity of your vehicle.
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Frequently asked questions
Yes, a Polaris RZR does have a fuel filter.
The fuel filter is located in the fuel tank on the pickup tube. It is not replaceable, and the only way to change it is to cut the fuel line and insert an aftermarket one.
You will need to remove the fuel pump cap with a screwdriver and hammer, or the OEM Polaris wrench tool. Remove the OEM clip and filter from the bottom of the pump and replace it with a new filter and locking clip.
It is recommended to replace the fuel filter annually as off-road vehicles often sit for longer and collect more contaminants in the tank.
A clogged fuel filter will limit fuel flow, which can cause running issues, low power, and potentially harm your motor and fuel pump.

































