Sparta PN4028 Fuel Pump Hanger Assembly

Fuel Pump Hanger Assembly for GM Trucks and SUVs

Sparta PN4028 is a specific-fit in-tank fuel pump hanger assembly for select Chevrolet and GMC applications from 1987-1991. Built as a standard replacement with a metal housing, it includes the fuel pump, fuel sending unit, strainer, seal, lock ring, and float arm for a complete service solution.

• Specific-fit fuel pump hanger assembly for select Chevrolet Blazer, Jimmy, Suburban, and related GM applications
• In-tank electric turbine pump with 12-29 psi operating range
• Includes fuel sending unit, float arm, strainer, seal, lock ring, and (2) O-rings
• Metal construction with quick-connect outlet and 2-pin electrical connection
• Standard replacement design for gas-powered vehicles
• Average flow rating of 26.0 and average current draw of 4.0

Detailed Product Overview

Sparta PN4028 is engineered for higher-mileage and earlier-model vehicles, drawing on Delphi OE fuel system expertise. This fuel pump hanger assembly is built for gas applications and uses an in-tank electric turbine pump design with a 13.5-volt rating, 29.0 maximum pressure, and external strainer setup. The assembly also includes a fuel sending unit with 1.0 ohm empty and 90.0 ohm full resistance values, making it a direct service part for fuel delivery and level-sensing replacement on select GM platforms. This part cross-references Dorman OE Solutions 692-033 for the same application.

Vehicle Fitment

• Fits 1987-1991 Chevrolet Blazer, N/A
• Fits 1989-1991 Chevrolet R1500 Suburban, N/A
• Fits 1989-1991 Chevrolet R2500 Suburban, N/A
• Fits 1989-1991 Chevrolet V1500 Suburban, N/A
• Fits 1989-1991 Chevrolet V2500 Suburban, N/A
• Fits 1987-1991 GMC Jimmy, N/A
• Fits 1987-1991 GMC R1500 Suburban, N/A
• Fits 1987-1991 GMC R2500 Suburban, N/A
• Fits 1987-1991 GMC V1500 Suburban, N/A
• Fits 1987-1991 GMC V2500 Suburban, N/A
• Fits 1987-1988 Chevrolet R10 Suburban, N/A
• Fits 1987-1988 Chevrolet R20 Suburban, N/A
• Fits 1987-1988 Chevrolet V10 Suburban, N/A
• Fits 1987-1988 Chevrolet V20 Suburban, N/A

Common Replacement Uses

• Fuel delivery problems caused by a worn in-tank pump
• Inaccurate fuel level readings from a failing sending unit
• Hard starting or stalling related to low fuel pressure
• Fuel starvation under load in older Chevrolet Blazer and GMC Jimmy applications
• Leaking tank seal or deteriorated hanger assembly components

Installation Notes and Tips

Verify tank configuration, connector style, and outlet connection before installation. Replace the tank seal and lock ring during service, and inspect the fuel lines, wiring connector, and tank interior for contamination before installing the new assembly. Because this is a specific-fit in-tank unit, confirm the vehicle application against the listed Chevrolet and GMC fitment before ordering.

Quality Assurance

Sparta is distributed by Delphi, an OE fuel system supplier known for factory-level fit and performance knowledge. PN4028 is a standard replacement fuel pump hanger assembly built for the listed GM applications and supplied with the components needed for a complete fuel system service.