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My 2019 XP 4 1000 suddenly started running rough. First place I turned to were these forums and I’m glad I did! I saw a code of 17 520344 1 which I believe has something to do with a lean mixture. First thing I checked was the fuel pressure (again, thank you RZR forums) and determined I only had 20 psi of pressure (should have 58). After more internet research I dismantled the pump and discovered a distorted o-ring and a mushy gasket which may be called an isolator. More in depth research opined the failure of these parts was probably due to the ethanol in the fuel.
I contacted my local Polaris dealer and learned they wanted $440 for a new OEM pump! Ah, no thanks! Back to the internet where I discovered a company, Quantum Fuel Systems located in Ventura, Ca. They only sell fuel related parts. I purchased a new pump, and the parts to rebuild my failed OEM pump for less than $200 bucks! And get this…the pump is warranted for LIFE! Yep, if it ever fails return it and they will send out a new one! Sounds to good to be true but that’s what I got from the salesman via phone. Here’s a link: QFS OEM Replacement Fuel Pump Assembly for Polaris RZR 1000 XP / MUD EFI 2014-2021, Replaces 2205502
I contacted my local Polaris dealer and learned they wanted $440 for a new OEM pump! Ah, no thanks! Back to the internet where I discovered a company, Quantum Fuel Systems located in Ventura, Ca. They only sell fuel related parts. I purchased a new pump, and the parts to rebuild my failed OEM pump for less than $200 bucks! And get this…the pump is warranted for LIFE! Yep, if it ever fails return it and they will send out a new one! Sounds to good to be true but that’s what I got from the salesman via phone. Here’s a link: QFS OEM Replacement Fuel Pump Assembly for Polaris RZR 1000 XP / MUD EFI 2014-2021, Replaces 2205502