Delphi HP10021 fuel pump and sender assembly for the 1987 GMC R1500 Suburban V8 5.0L, the 1988-1991 R1500 Suburban V8 5.7L and other vehicles moves fuel from the tank to the engine and carries the float arm that sets the gas gauge reading. The Delphi fuel pump on this hanger assembly is built to Delphi's OE standards.
- Pump designed to operate under extreme temperatures with quick engine starts
- Metal tubes routed so they never touch the tank, which removes noise and vibration while driving
- Empty float height and float retention set for correct gas gauge readings
- Lower amperage draw puts less load on the vehicle's electrical system
- Validated and tested before it ships
Quick facts
- Part: Delphi HP10021 fuel pump and sender assembly
- Fits: the 1987 GMC R1500 Suburban V8 5.0L, the 1988-1991 R1500 Suburban V8 5.7L and other vehicles
- Condition: New
A hard start, stalling, a whine from the tank or a gauge that reads wrong can mean trouble in the pump or the float. None of these proves this part is the problem, since a clogged fuel filter brings on similar trouble.
Fits
This fuel pump and sender assembly is a direct-fit replacement for the 1989-1991 Chevrolet R2500 Suburban V8 5.7L or 7.4L, the 1989-1991 Chevrolet V2500 Suburban V8 5.7L and the 1990 V2500 Suburban V8 7.4L. Driving a different year, engine or model? Look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Engines: V8-5.0L, V8-5.7L, V8-7.4L
Build and materials
- Float arm: included
- Condition: New
In the box
One fuel pump and sender assembly with float arm, seal, lock ring, two O-rings and an instruction sheet. This listing holds one assembly, and each vehicle takes one.
Installation notes
- Check and clean the fuel tank before installing the assembly.
- An instruction sheet comes with the assembly for the steps.
Interchange: 692-034
25094552 · 25094553 · 4011090 · E3902 · DHP10021 · 19111411 · A30189 · FG12M · SP12M1H · USEP3631S
This part cross-references / interchanges with the following part numbers:
25094552, 25094553, 4011090, E3902, DHP10021, 692-034, 19111411, A30189, FG12M, SP12M1H, USEP3631S
Frequently Asked Questions
Is this Delphi fuel pump replacement HP10021 right for the 1989-1991 Chevrolet R2500 Suburban V8 5.7L?
Yes. Delphi HP10021 fits the 1989-1991 Chevrolet R2500 Suburban with the V8 5.7L or 7.4L engine, and each one takes one.
Does this Delphi fuel pump assembly come with the float arm and lock ring?
Yes. Delphi HP10021 includes the float arm, a seal, a lock ring, two O-rings and an instruction sheet.
What does the float on the Delphi pump do for the gas gauge?
This assembly's empty float height and float retention match OE specifications for correct gas gauge readings, and the float arm is included.
Does the fuel tank need cleaning before this Delphi assembly goes in?
Yes. The fuel tank should be checked and cleaned first, and the instruction sheet in the box covers the installation steps.
Is the Delphi fuel pump and sender assembly HP10021 a replacement for number 25094552?
Yes. 25094552 is one of the numbers Delphi HP10021 replaces, along with 25094553 and 4011090.
