BDFHYK E3556M fuel pump module for Escalade Avalanche Suburban Yukon XL

E3556M complete pump sender reservoir and float-arm assembly

E3556M oblong connector fuel ports and flange details

E3556M extended-wheelbase GM SUV engine fitment reference

E3556M tank-pressure sensor and fuel-line layout

E3556M OE 19180099 module height and float orientation

Cadillac Escalade ESV EXT Chevy Avalanche Suburban GMC Yukon XL Fuel Pump Module Assembly 2002-2003 5.3L 6.0L Replacement E3556M BDFHYK

$49.89

Product Detail

Type Fuel Pump Assembly
SKU BDDLZ-BD-05-10497-FP
Make
- Cadillac
- Chevrolet
- GMC
OE Number ACDELCO,MU1088,MU1738,AIRTEX,E3556M,BOSCH,67458,CARTER,P75023M,DELPHI,FG0273,GM,19180099,25345024,PIERCE,P1540M

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Technical Specifications

Part Number	E3556M
Product Type	In-Tank Fuel Pump Module Assembly
Installation Location	Inside the fuel tank
Operating Voltage	12 V
Fuel Type	Gasoline
Application	Selected Escalade ESV/EXT, Avalanche 1500, Suburban 1500 and Yukon XL 1500
Model Year Coverage	2002–2003; Escalade ESV coverage commonly begins in 2003
Engine Coverage	5.3L and 6.0L V8 applications vary by model
Vehicle Configuration	Half-ton extended-wheelbase SUV and utility-truck platforms
Module Functions	Fuel delivery and fuel-level reporting
Fuel Level Sending Unit	Included in the listed complete-module configuration
Float Arm and Reservoir	Included
Strainer and Tank Seal	Check actual package and install the correct new seal
Electrical Connector	Oblong connector is listed in common applications; compare terminal layout and keying
Fuel Outlet and Ports	Compare quantity, diameter and orientation
Export and Configuration Check	Some Avalanche applications are listed except export; verify VIN and market configuration
OE References	19179477, 19180099, 19153713, 19369909
Interchange References	E3556M, P1245M, P75023M
Fitment Priority	Model/body, year, engine, VIN/market, OE number, connector, ports, sensor and module dimensions

This electric fuel pump module assembly is a direct OE replacement fuel system part for Cadillac Escalade ESV, Escalade EXT, Chevrolet Avalanche 1500, Suburban 1500, and GMC Yukon XL 1500 SUVs and truck-based vehicles. Designed for 2002-2003 models with 5.3L and 6.0L V8 engines, it helps restore stable fuel pressure and reliable fuel delivery for daily driving, towing, and repair applications.

Vehicle Fitment & OE Replacement Reference

Year	Vehicle	Engine	Notes
2003	Cadillac Escalade ESV	6.0L V8	Gasoline SUV
2002-2003	Cadillac Escalade EXT	6.0L V8	Gasoline Sport Utility Truck
2002-2003	Chevrolet Avalanche 1500	5.3L V8	Gasoline Pickup/SUV
2002-2003	Chevrolet Suburban 1500	5.3L V8	Gasoline SUV
2002-2003	GMC Yukon XL 1500	5.3L V8 / 6.0L V8	Gasoline SUV

OE Replacement Reference

E3556M

Product Details

Item	Details
Product Type	Fuel Pump Module Assembly
Function	Delivers fuel from the tank to the engine while maintaining stable fuel pressure
Fuel System	Gasoline Fuel Delivery System
Installation Location	Inside Fuel Tank (Tank-Mounted)
Assembly Includes	Electric Fuel Pump + Fuel Sending Unit
Operation Mode	Electric
Mounting Type	Tank Mount
Vehicle Application	Full-Size SUV and Truck-Based Vehicle Repair

Common Failure Symptoms

A failing fuel pump may cause the following issues:

Hard Starting: Engine requires extended cranking before starting.
Engine Hesitation: Vehicle may hesitate during acceleration due to unstable fuel delivery.
Loss of Power: Insufficient fuel pressure may reduce engine performance, especially under load.
Engine Stalling: Fuel supply interruption may cause unexpected engine shutdown.

Features & Benefits

Direct OE Replacement Fit
Designed to match original fuel system specifications for compatible Escalade, Avalanche, Suburban, and Yukon XL models.

Complete Fuel Pump Module
Includes the electric fuel pump and fuel sending unit for a complete replacement solution.

Stable Fuel Delivery
Helps maintain consistent fuel pressure and reliable fuel flow for engine operation.

Built for Full-Size SUV and Truck Applications
Designed for daily driving, towing, and repair needs on GM full-size platforms.

Installation Guide

Step 1: Relieve Fuel Pressure
Disconnect battery power and release fuel system pressure before removal.

Step 2: Remove Fuel Tank
Support and lower the fuel tank to access the original fuel pump module.

Step 3: Replace Fuel Pump Assembly
Remove the old module and install the replacement assembly using the supplied seal and connections.

Step 4: Reconnect & Test
Reconnect fuel lines and wiring, prime the system, and check for proper operation and leaks.

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 vehicles use the E3556M module?

A: It covers selected 2002–2003 Cadillac Escalade EXT, Chevrolet Avalanche 1500, Suburban 1500 and GMC Yukon XL 1500 applications, plus selected 2003 Escalade ESV.

Q: Which engines are covered?

A: Selected 5.3L and 6.0L V8 applications are listed depending on the model.

Q: Does it fit standard-wheelbase Tahoe, Yukon or Escalade?

A: Not automatically. This module family is associated mainly with extended-wheelbase and utility-truck applications.

Q: Is the fuel-level sending unit included?

A: The listed complete-module configuration includes the sender and float arm.

Q: What connector should be checked?

A: Common catalogs specify an oblong connector; terminal layout and keying must match the original.

Q: Do export or market configurations matter?

A: Yes. Some Avalanche listings exclude export applications, so VIN and market configuration must be checked.

Q: Which OE numbers should be compared?

A: Compare 19179477, 19180099, 19153713 or 19369909 with the removed module.

Q: What should be tested before replacement?

A: Test fuel pressure, pump voltage and ground under load, fuse and relay operation, wiring, fuel-line restriction, and sender continuity before replacing the module.

Q: Can a similar Tahoe or short-wheelbase Yukon module be substituted?

A: No. Tank depth, wheelbase, connector, ports, sender geometry and sensor arrangement can differ.

Q: What checks are required after installation?

A: Prime the system, inspect the flange and fuel connections for leaks, measure fuel pressure, and confirm normal fuel-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

Business Hours:

Mon–Fri 9:00–18:00 (GMT+8)

Mon–Fri 19:00–04:00 (UTC−6 / CST)

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