QFS OEM High Pressure Replacement Marine/Outboard EFI Fuel Pump w/ Regulator

HFP-702-R2

QFS Fuel Pump w/ Regulator – OEM Replacement: HFP-702-R2

HFP-702-R2 is engineered as a direct replacement for OE #861155A5 and #8M0125852, ensuring superior performance for MerCruiser V6 Carbureted/TBI 4.3L (LX, XH, LH, LXH) and V8 MPI 5.7L (Alpha/Bravo), 6.3L (Bravo) engines.

This comprehensive kit includes a new Fuel Pump and a 270KPA / 39 psi Fuel Pressure Regulator, delivering precise fuel pressure for reliable operation across the entire RPM range.

When to Replace: If your inboard/sterndrive engine is hard to start, stalls, or loses power at high RPMs, the fuel pump is likely the culprit – don’t wait until it leaves you stranded out on the water. With OE-fit components and clear compatibility, this pump kit makes the repair straightforward for capable DIYers or marine techs – fix it once, fix it right.

Quantum replacement fuel pumps are designed to meet or exceed OEM specifications with feature upgrades that improve on the OEM design. Upgraded polymers, brushes, and commutators ensure long life and durability in modern fuel blends.

Included With Purchase: Fuel Pump & 270KPA / 39 psi Fuel Pressure Regulator

Direct OEM replacement for #861155A5, #8M0125852
Includes 270KPA / 39 psi fuel pressure regulator
Ensures precise fuel delivery across entire RPM range
Meets or exceeds OEM standards with upgraded components
Reliable operation and improved durability in multiple fuel blends
Straightforward installation for DIYers and marine techs

OUR GUARANTEE:

Every Quantum fuel pump is backed by a comprehensive Lifetime Warranty. You will not find a stronger warranty from any other performance fuel pump manufacturer, period. If a Quantum product fails due to a defect in workmanship or materials simply contact us and we will replace it. Unlike poorly manufactured pumps sold by other eBay sellers, Quantum fuel pumps maintain strict ISO 9002 and ISO/TS 16949 quality system standards, and are flow tested by RC Engineering.

FAST SHIPPING!

We make fast shipping our PRIORITY. Any order received by 2:30PM PST on a business day will be shipped the SAME DAY. Any order received on a holiday or weekend will be shipped the next business day. Most orders will be received in 2 business days anywhere in the United States using the free USPS Priority Mail shipping option. Rural areas will take 3 business days. The optional FedEx 2-day shipping method will guarantee delivery in 2 days anywhere in the country. There is also a FedEx Guaranteed Overnight option, which will deliver the package by 3pm your time the following business day.

CUSTOMER SERVICE:

Our Customer Service team is responsive, knowledgeable, and genuinely helpful. They’re not just here to take messages; they’re trained problem-solvers with technical expertise who know our products inside and out. Whether it’s tracking down the right fuel pump for an obscure fitment or helping a customer troubleshoot an install, they handle every question with clarity and patience. Available by phone, email, and eBay messaging Monday through Friday from 7:00 am to 3:30 pm PST, they consistently earn 5-star reviews for a reason: Quick replies, zero runaround, and real solutions.

RETURNS:

At Quantum Fuel Systems, we value your satisfaction and want to ensure a smooth return process. You have a 30-day window to initiate a return from the date of purchase. To begin a return, please visit your order detail page from your eBay account and initiate the return process and follow the steps.

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We are proud members of the Specialty Equipment Manufacturer's Association (SEMA)

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