BDFHYK E8651M fuel pump module for Subaru Impreza Legacy Outback 2.5L

E8651M in-tank pump sender reservoir float and strainer assembly

E8651M connectors fuel ports flange and sensor-provision details

E8651M fuel-level sender float arm and reservoir construction

E8651M Subaru model year engine and emissions fitment reference

E8651M module dimensions and float-arm configuration

E8651M Subaru 42021 42022 OE interchange reference

Electric Fuel Pump Module Assembly For Subaru Impreza/Legacy/Outback H4 2.5L 2006-2011 Engine 2.5L/H4

$69.99

Product Detail

Type Fuel Pump Assembly
SKU BDDLZ-BD-05-7426
Make
- Subaru
OE Number 42021AG110,42022AG16A,42021AG12A,42022AG150,E8651M,FG1255,P76427M,SP4057M

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Technical Specifications

Part Number	E8651M
Product Type	In-Tank Fuel Pump Module Assembly
Installation Location	Inside the fuel tank
Fuel Type	Gasoline
Application	2008–2011 Subaru Impreza; 2006–2009 Legacy and Outback
Engine Coverage	2.5L H4
Emissions Configuration	Legacy/Outback commonly listed for California-emissions vehicles
Module Functions	Fuel delivery, reservoir pickup and fuel-level reporting
Fuel Level Sender	Included
Float and Reservoir	Included
Strainer	Included
Fuel Ports	Vehicle-specific; compare number, size and orientation
Electrical Connectors	Compare connector count, terminal layout and keying
Sensor Provision	Application-dependent; compare original module
OE References	E8651M, FG1255, SP4057M, P76427M, 42021AG110/12A, 42022AG150/16A
Fitment Priority	Model, year, 2.5L engine, emissions label, OE and physical layout
Not Compatible With	Different emissions, flange, ports, connector, height or sensor provision
Installation Note	Clean the tank, use a new seal and protect float movement
Diagnostic Note	Test pressure, voltage, ground, relay, wiring and EVAP connections

Long cranking, low measured fuel pressure, hesitation, stalling, or an inaccurate fuel gauge can indicate an in-tank module fault after the relay, power supply, ground, wiring, and fuel lines have been checked. This E8651M replacement module is intended for specified Subaru Impreza, Legacy, and Outback 2.5L applications. Confirm model year, emissions configuration, OE number, flange, connector, fuel ports, module height, pressure-sensor provision, and float-arm layout before ordering.

E8651M Subaru Application and Emissions Check

Verified coverage includes specified 2008–2011 Subaru Impreza 2.5L vehicles and 2006–2009 Legacy and Outback 2.5L vehicles. Legacy and Outback applications commonly require the California-emissions configuration, so the underhood emissions label and original module must be checked.

Fitment Verification

Confirm model, exact year, 2.5L engine, and emissions label.
Match E8651M, FG1255, SP4057M, or a verified Subaru 42021/42022 number.
Compare the flange, electrical connectors, fuel ports, module height, sensor provision, and float arm.
Do not assume all turbo, non-turbo, California, and federal-emissions configurations share the module.

Module Functions and Included Components

Complete in-tank module supports fuel delivery and fuel-level reporting.
Integrated pump, reservoir, inlet strainer, sender, and float form the service assembly.
Vehicle-specific ports and electrical connections must match the removed module.
Pressure-sensor or vapor-line provision must be confirmed before installation.

Symptoms and Diagnostic Checks

Measure fuel pressure and test pump voltage and ground under load. Inspect the relay, fuse, connector, fuel lines, tank contamination, sender circuit, and evaporative-system connections. Air-metering, ignition, injector, or engine-control problems can create symptoms that resemble low fuel supply.

Installation Notes

Relieve pressure, disconnect the battery, and clean the access and flange area. Remove contamination from the tank, install a new compatible seal, align every port and connector, and keep the float arm clear. Lock the module evenly, prime the system, inspect for leaks, measure pressure, and verify accurate fuel-level indication.

What’s Included in This Fuel Pump Assembly

Complete fuel pump module
Integrated fuel level sending unit
Fuel strainer (filter sock)
Housing and mounting components

This fuel pump assembly is designed as a direct replacement unit that restores proper fuel delivery and fuel level monitoring.

Estimated Installation Time

Professional mechanic: 1–2 hours
DIY installation: 2–4 hours

Fuel pump replacement usually requires accessing the fuel tank or service panel depending on the vehicle design. Always disconnect the battery and relieve fuel system pressure before installation.

Pump Only vs Fuel Pump Assembly

Option	Description
Replace Pump Only	Lower parts cost but requires disassembling the existing module and reusing older components.
Replace Complete Assembly	A complete module designed for direct installation, helping restore reliable fuel delivery more efficiently.

Most modern vehicles use integrated fuel pump modules, which makes replacing the full assembly the more reliable solution.

Q: Which Subaru vehicles use E8651M?

A: It covers specified 2008–2011 Impreza and 2006–2009 Legacy and Outback vehicles with the 2.5L engine.

Q: Do emissions specifications matter?

A: Yes. Legacy and Outback coverage is commonly associated with California-emissions vehicles, so check the underhood label.

Q: Does it fit every 2.5L Impreza, Legacy, or Outback?

A: No. OE number, emissions, flange, connectors, ports, module height, and sensor provision must match.

Q: Is the fuel-level sender included?

A: Yes. The module includes the sender and float arm.

Q: Is a pressure sensor included?

A: Provision varies by application and interchange. Compare the original module and product images.

Q: Can turbo status alone confirm fitment?

A: No. Turbo or non-turbo identification must be combined with the OE number, emissions configuration, and module layout.

Q: What symptoms can indicate module failure?

A: Low measured pressure, long cranking, hesitation, stalling, and inaccurate gauge readings can indicate a fault.

Q: What should be tested before replacement?

A: Test pump voltage and ground under load, relay operation, pressure, wiring, lines, sender circuit, and EVAP connections.

Q: Why should the tank be cleaned?

A: Contamination can damage the replacement pump and restrict its strainer.

Q: What checks are required after installation?

A: Prime the system, inspect every connection for leaks, measure pressure, and confirm normal gauge operation.

Returns & Refunds

We accept returns within 30 days of delivery for eligible items. If the product is unused and in original condition, you may request a return according to our refund policy. Full policy details: View Refund Policy . We recommend contacting our support team before initiating a return to ensure the fastest resolution.

Customer Support

If you purchased the wrong part, received an incompatible item, or need installation assistance, please contact us directly.

Email: service@bdfhyk.com

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