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Air and Fuel› Fuel Pumps, Regulators and Components

Quantum Fuel Systems

Flextech 340 LPH Intank Fuel Pump

Name: Flextech 340 LPH Intank Fuel Pump
Brand: Quantum Fuel Systems
SKU: QFS-344FT

$197.98 $154.18 Save $43.80

SKU: QFS-344FT

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Quantum Fuel Systems QFS-344FT is a 340 LPH intank fuel pump designed for supercharged or turbocharged applications. This Flextech series pump comes from the same source as other major brands but includes a custom-tailored installation kit for easier setup. It features a corrosion-resistant case, quiet operation, a gradient density fuel strainer, patented check valve technology, and compatibility with ethanol-infused gasoline.

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The Quantum Fuel Systems QFS-344FT is an application-specific, direct-fit intank fuel pump from the Flextech series, designed to meet the demands of supercharged or turbocharged builds. While sourced from the same manufacturing origin as many other popular 340 LPH pumps, Quantum distinguishes itself by providing a custom-tailored installation kit. This kit ensures that the strainer size, hose length, and inlet configuration are optimized to eliminate common installation headaches. Key features include a corrosion-resistant case to prevent seizing during non-operation and specifically engineered components for quiet performance. The pump also incorporates a gradient density fuel strainer for superior filtration and utilizes patented check valve technology. Furthermore, it is fully compatible with modern ethanol-infused pump gasoline, making it a versatile choice for various fuel blends. Quantum Fuel Systems backs every QFS-344FT fuel pump with a lifetime warranty, a significant differentiator compared to other performance fuel pump manufacturers. This commitment to durability and customer satisfaction underscores the quality and reliability of the Flextech series.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	Quantum Fuel Systems
Part Number	QFS-344FT
Category	Air and Fuel

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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