BDFHYK E3684M Fuel Pump Assembly for Chevrolet Silverado 1500

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Product guide

BDFHYK E3684M Fuel Pump Assembly for Chevrolet Silverado 1500

BDFHYK E3684M is a vehicle-specific electric fuel pump assembly listed for select Chevrolet Silverado 1500 and Silverado 1500 Classic configurations. Its stated fitment spans several V8 engine and model-year combinations, so confirm the exact truck and engine before ordering.

At a glance

The listing names Chevrolet Silverado 1500 and Silverado 1500 Classic V8 applications, including certain 4.8L, 5.3L and 6.0L configurations from 2004 through 2007.
Also listed for specified GMC Sierra and Sierra 1500 V8 applications. Verify the exact year, engine and vehicle before purchase.
The seller describes an OE-style design intended for original mounting points and claims installation needs no special tools or modifications.
The listing says a built-in filter element is intended to block impurities and moisture. This is a seller claim, not a verified performance result.

Price

$57.59Save 10%

Reference price: ~~$63.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

The listing gives multiple specific year and engine fitments, making it possible to compare against a truck's configuration.
A tank-mount electric assembly and listed inlet and outlet connection details help identify the intended replacement type.
The manufacturer states the assembly includes a fuel pump.

Technical specifications

19 specifications

Identity
Brand	BDFHYK
Model	E3684M
Manufacturer part number	BD-05-07666
Product grade	Replacement Part
Specification met	OE

Fitment and operation
Vehicle service type	Truck
Fit type	Vehicle Specific Fit
Position	Rear
Fuel type	Gasoline
Operation mode	Electric
Mounting type	Tank Mount
Product style	Gerotor

Connections
Outlet connection type	3/8 inch NPT female
Inlet connection type	5/8 inch-18 UNF threaded inlet
Connector type	NPT
Outlet connection size	0.63 inches

Materials and installation
Material	Metal, Plastic
Weight	4.5 pounds
Number of items	1

What to know before buying

Fitment should be checked against the exact vehicle and engine. The listing's Silverado applications include specified V8 configurations for model years 2004–2006 and Silverado 1500 Classic V8 configurations for 2007. It also lists selected GMC Sierra applications.

Listing details to confirm

Customer feedback reports both favorable installation and fit experiences and concerns about inconsistent functionality, quality, durability, fuel-gauge behavior and wiring. Treat these as reported experiences, not guaranteed outcomes.

What’s in the box

Included

Fuel pump

Who is it for?

A good fit for

Owners checking a replacement pump for a listed Silverado 1500 or Silverado 1500 Classic V8 configuration.
Buyers who want a tank-mounted electric pump assembly with listed connection details for fitment comparison.

Less suited to

Buyers whose vehicle, model year or engine does not match the listed applications without confirming compatibility.
Anyone expecting customer feedback to establish consistent long-term durability or trouble-free wiring.

BDFHYK E3684M Fuel Pump Assembly for Chevrolet Silverado 1500 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 932 ratings

5 stars71%71%
4 stars7%7%
3 stars7%7%
2 stars3%3%
1 star12%12%

Customer feedback highlights favorable reports of fit and installation, while accounts of functionality and quality are mixed. Some buyers report durability concerns, erratic fuel-gauge behavior and wiring issues, though others describe wiring as plug-and-play. For a tank-mounted replacement serving the listed vehicle applications, these reports make exact compatibility and installation details important. The reported experiences do not establish what any individual unit will do.

Positive themes

Buyers report easy installation and a good fit.
Some feedback describes the product as good value.

Negative themes

Some customers report that the pump does not work properly, has poor quality or does not last long.
Feedback also includes reports of erratic fuel-gauge behavior over time.

Mixed feedback

Wiring feedback ranges from plug-and-play experiences to reports of incorrect wiring instructions.
Customers report differing experiences with functionality and quality.

Frequently asked questions

Which vehicles does the listing say this pump fits?

It lists selected Chevrolet Silverado 1500 V8 applications from 2004–2006 and Silverado 1500 Classic V8 applications for 2007, plus specified GMC Sierra models. Confirm your precise engine and vehicle fitment.

Is this an electric or mechanical pump?

The listing describes an electric, tank-mounted fuel pump assembly for gasoline.

What does customer feedback say?

Feedback mentions easy installation and good fit, but also mixed functionality and quality, durability concerns, erratic fuel-gauge behavior and disagreement about wiring. These are customer-reported experiences.

Does the product include a warranty?

The supplied listing gives the warranty description as “NO,” so it does not state a warranty.