Quantum HFP-390-U Electric Fuel Pump — Yamaha Fitment (YZ/WR/YFZ/XT/Street/Scooter) — Lifetime Warranty

Quantum Electric Fuel Pump — HFP-390-U (Universal Yamaha Fitment, Lifetime Warranty)
Restore rock-solid fuel delivery with Quantum’s drop-in replacement EFI pump. The HFP-390-U delivers OEM-or-better performance, runs quiet, and is built for today’s ethanol-blended fuels. A polished corrosion-resistant case minimizes seizing during storage, while a gradient-density strainer (for in-tank installs) filters fine contaminants before they reach the injector. Backed by a Lifetime Warranty.

Highlights

• Drop-in replacement; OEM or better flow/pressure

• Quiet operation with patented check-valve tech

• Ethanol-compatible (E10/E15) + corrosion-resistant housing

• Gradient-density strainer for superior filtration (in-tank pumps)

• Lifetime Warranty

Fitment (from your catalog data)
Yamaha Off-Road / MX

• YZ250F: 2001, 2013–2025

• YZ450F: 2003–2025

• YZ250FX: 2016–2025

• YZ450FX: 2016–2025

• WR250F: 2002, 2014–2025

• WR450F: 2003–2025

• YZ250: 1983

• YZ125: 1974

Yamaha ATV

• YFZ450 / YFZ450R / YFZ450R SE / YFZ450X: 2004–2015, 2017–2024 (incl. 2009–2010 X / SE)

Yamaha Street / Dual-Sport / Scooter

• XT250: 2013–2015, 2017–2024

• WR250R / WR250X: 2008–2013, 2009–2011

• YZF-R3: 2015–2016, 2018, 2022–2024

• MT-03: 2016, 2020–2024

• SR400: 2015–2017

• XMAX: 2018, 2020

• XP500 TMAX: 2001, 2005–2012

• YP400 Majesty: 2004, 2006–2011

• FZS600 FZ6: 2006

• FZS1000 FZ1: 2007

• Zuma (YW50 / YW50F / YW50FX / YW125): 2002, 2011–2018 (as listed)

• XF50 / XP50 C3: 2007–2010

Note: The pump is listed as HFP-390-U “universal” and appears across many Yamaha EFI models above (per your catalog). Always match connector, hose routing, and in-tank vs. external setup to your bike/ATV before ordering.

Part Details

• Part / Brand Number: HFP-390-U (821-03063)

• UPC: 689107264326

• Weight: 0.64 lbs

• Package Dimensions: 7.00 × 4.00 × 3.00 in