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Transparent cylindrical in-tank fuel pump with regulator attached

Quantum

Quantum HFP-396-U5 In-Tank EFI Fuel Pump with Regulator

SKU CH-W7PS-2CGB2

In-tank EFI fuel pump with regulator for Polaris ACE, RZR, Sportsman and Slingshot models from 2014 to 2020

  • ColorTransparent
  • Fits Polaris ACE 500 2017-2020 models
  • Compatible with Polaris RZR 1000 XP 2014-2020
  • Supports Polaris Sportsman 850 XP 2015-2016
  • Works with Polaris Slingshot 2015-2020
  • Replaces OEM fuel pump with regulator

Direct OEM Replacement

The Quantum HFP-396-U5 is a new in-tank EFI fuel pump with an integrated regulator built to replace the factory unit on listed Polaris models. It fits ACE 500, ACE 570 and ACE 900 from 2017 to 2020, plus Hawkeye 325 from 2015.

Steady Flow in Normal Operation

The pump delivers consistent fuel pressure through its built-in regulator during everyday riding on RZR 1000 XP and RZR 900 platforms from 2014 to 2020. Transparent housing allows a quick visual check of fuel condition without disassembly.

Sustained Output Under Load

During extended high-demand runs on Sportsman 1000, Sportsman 850 and Sportsman 570 models from 2014 to 2016 the unit maintains regulated pressure without fade. It is not for vehicles outside the listed Polaris fitment or for carburetted engines.

Highlights

  • Fits Polaris ACE 500 2017-2020 models
  • Compatible with Polaris RZR 1000 XP 2014-2020
  • Supports Polaris Sportsman 850 XP 2015-2016
  • Works with Polaris Slingshot 2015-2020
  • Replaces OEM fuel pump with regulator

Specifications

BrandQUANTUM
ColorTransparent

Questions about this item

How is the HFP-396-U5 installed in the fuel tank, and which step do DIYers often miss?

Remove the tank, detach the old pump assembly, seat the new unit with its included regulator, and reconnect the electrical connector; the step most often missed is reinstalling the lock ring or retaining bolts to the specified torque so the seal stays leak-free.

What maintenance or replacement will this pump need later?

The pump itself is a sealed unit with no serviceable filter; plan to replace the entire assembly if flow drops or pressure falls below spec, and inspect the tank for debris each time the pump is removed.

What limit appears first during extended high-load running on a 1000 cc Polaris?

Sustained wide-open-throttle operation can push fuel temperature up until the pump's internal thermal protection trips, causing a temporary pressure loss until the unit cools.

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