Bosch 66084 Fuel Pump Module Assembly

Brand	Bosch 534G
Bearing Cap Axis 1 Diameter	1.125
Bearing Cap Axis 1 Diameter	28.5
Bearing Cap Axis 2 Diameter	1.125
Bearing Cap Axis 2 Diameter	28.6
Bearing Cap Type	4 Grooved Round Bearings
Bearing Diameter A - Inch	1.125
Bearing Diameter A - mm	28.5
Bearing Diameter B - Inch	1.125
Bearing Diameter B - mm	28.6
Bearing Type A	Round Grooved
Bearing Type B	Round Grooved
Greaseable	YES
Image	UJoint_4Grooved.tif
Length A - Inch	2.557
Length A - mm	64.9
Length Axis 1	2.557
Length Axis 1	64.9
Length Axis 2	2.557
Length Axis 2	64.9
Length B - Inch	2.557
Length B - mm	64.9
Length Measurement A	Outside of Groove to Outside of Groove
Length Measurement B	Inside of Groove to Inside of Groove plus thickness of 2 Lock Rings
Lube Fitting Location	Regular Lube Fitting in Cross
Lubricateable	YES
OE Series	Mechanics 3, Saginaw 44 and American Axle 1344
U-Joint Identification	4 Grooved Round Bearings
Product line	Fuel Pump Module Assembly (New)
Fits	—20 vehicles

OE-quality standards. Built and tested to the same rigorous standards as original equipment.

New module assembly. Complete fuel pump module for a straightforward replacement.

Electric internal design. Uses an electric pump configured for in-tank operation.

Cross-references 19303394 and 19331942 for the same application. See all 2.

$425.88Free shipping

In stock · usually ships same day before 1pm CST

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Bosch Fuel Pump Module Assembly for Silverado and Sierra

Bosch 66084 is a new electric in-tank fuel pump module assembly built for direct replacement service on select Chevrolet Silverado 1500 Classic, Chevrolet Silverado 1500, GMC Sierra 1500 Classic, and GMC Sierra 1500 applications. It is supplied as a module assembly with a gasket included and is configured for vehicles without a sender.

Key Features

Brand: Bosch Fuel Pump Module Assembly (New)
Part number: 66084
Electric, internal fuel pump module design
In-tank configuration for OE-style fuel delivery service
Gaskets included for installation sealing
1 inlet and 1 outlet
New construction, not remanufactured
Package contents: 1 module assembly

Product Details

Bosch 66084 is engineered for fuel delivery replacement where the original module has failed or is no longer maintaining proper pressure. Bosch manufactures its fuel pumps using production and testing standards aligned with original equipment quality practices, helping support consistent operation and long service life. This fuel pump module assembly is a practical choice for Silverado and Sierra owners looking for a direct-fit replacement for the factory in-tank unit. This part cross-references GM OE applications for the same vehicle platform.

What This Fuel Pump Module Helps Address

Hard starting caused by weak fuel delivery
Engine stalling from inconsistent pump output
Loss of fuel pressure under load
Fuel starvation symptoms during acceleration
Failure of the original in-tank pump module

Installation Notes and Fitment

Compatible With 2004-2006 Chevrolet Silverado 1500, N/A; 2004-2006 GMC Sierra 1500, N/A; 2007 Chevrolet Silverado 1500 Classic, N/A; and 2007 GMC Sierra 1500 Classic, N/A. Verify that the vehicle is equipped without a sender before installation. Bosch 66084 is an internal, electric fuel pump module assembly, so proper tank access, sealing, and electrical connection checks are important during replacement. Confirm the original part configuration and fuel system layout before service.

Quality Assurance

Bosch builds this fuel pump module assembly to the same quality standards used for its original equipment fuel pumps, with production and testing focused on dependable operation and long service life.

This part fits 20 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Bed Length	Liters	Cylinders	Fuel Type	Position	Notes
2007	Chevrolet	Silverado 1500 Classic	5' 9" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2007	Chevrolet	Silverado 1500 Classic	5' 9" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2007	GMC	Sierra 1500 Classic	5' 9" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2007	GMC	Sierra 1500 Classic	5' 9" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2006	Chevrolet	Silverado 1500	5' 9" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2006	Chevrolet	Silverado 1500	5' 9" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2006	GMC	Sierra 1500	5' 9" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2006	GMC	Sierra 1500	5' 9" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2005	Chevrolet	Silverado 1500	5' 8" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2005	Chevrolet	Silverado 1500	5' 8" Foot Bed	5.3L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2005	Chevrolet	Silverado 1500	5' 8" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2005	GMC	Sierra 1500	5' 8" Foot Bed	5.3L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2005	GMC	Sierra 1500	5' 8" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2005	GMC	Sierra 1500	5' 8" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2004	Chevrolet	Silverado 1500	5' 8" Foot Bed	5.3L	V8	GAS	N/A	without Sender; Fuel Pump Module Assembly (New)
2004	Chevrolet	Silverado 1500	5' 8" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2004	Chevrolet	Silverado 1500	5' 8" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2004	GMC	Sierra 1500	5' 8" Foot Bed	6.0L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2004	GMC	Sierra 1500	5' 8" Foot Bed	4.8L	V8	—	N/A	without Sender; Fuel Pump Module Assembly (New)
2004	GMC	Sierra 1500	5' 8" Foot Bed	5.3L	V8	GAS	N/A	without Sender; Fuel Pump Module Assembly (New)
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Directly replaces or cross-references 2 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

1930339419331942

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