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Autobest HP4120 Electric Fuel Pump - In-Tank
Overview of Autobest High Performance Electric Fuel Pump HP4120
The Autobest High Performance Electric Fuel Pump HP4120 is engineered for reliable fuel delivery in Buick Park Avenue vehicles. Designed as an in-tank turbine pump, it offers consistent flow and pressure to support engine performance.
- Average flow rating of 100 gallons per hour (GPH)
- Operates at an average current draw of 6 amps
- Maximum pump pressure of 123.3 PSI and minimum pressure of 79.8 PSI
- Inlet size of 0.433 inches with strainer inlet type
- Outlet size of 0.346 inches with hose outlet type
- Includes FKM gasket/seal for secure installation
- Two male threaded terminals for electrical connection
- Compact dimensions: 4.88" length, 1.99" width, and 1.99" height
- Designed specifically for in-tank installation
About the High Performance Electric Fuel Pump Product Line
The Autobest High Performance Electric Fuel Pump line focuses on delivering consistent fuel flow and pressure for enhanced engine operation. The HP4120 model maintains stable fuel delivery parameters suitable for Buick Park Avenue applications, ensuring compatibility and performance within the specified operating range.
Detailed Product Description
The HP4120 electric fuel pump by Autobest is a turbine-type pump designed for in-tank installation, providing efficient fuel delivery with an average flow rating of 100 GPH. It operates at an average current draw of 6 amps, balancing power consumption and performance. The pump maintains fuel pressure between 79.8 PSI minimum and 123.3 PSI maximum, supporting optimal engine function. The inlet features a 0.433-inch strainer type to prevent debris from entering the fuel system, while the outlet is a 0.346-inch hose type for secure fuel line connection. The included FKM gasket ensures a reliable seal, reducing the risk of leaks. Electrical connections are facilitated by two male threaded terminals, designed for secure attachment. This pump is compatible with Buick Park Avenue models requiring this specific fuel delivery specification.
Common Applications and Issues Addressed
- Replacement for failing or weak fuel pumps in Buick Park Avenue vehicles
- Restores proper fuel pressure to prevent engine hesitation or stalling
- Improves fuel flow consistency for smoother acceleration
- Addresses fuel delivery interruptions caused by clogged or damaged pumps
- Supports engine performance by maintaining required fuel system pressure
Installation Notes and Tips
The HP4120 is designed for in-tank installation with no special installation warnings. Ensure the FKM gasket is properly seated to prevent leaks. Verify electrical connections to the two male threaded terminals are secure and corrosion-free. Confirm compatibility with the Buick Park Avenue fuel system before installation to maintain proper fit and function.
Quality Assurance and Warranty
The Autobest HP4120 electric fuel pump is manufactured to meet quality standards for durability and performance. It is available to order and includes a gasket for installation. Warranty details should be confirmed with the supplier or manufacturer to ensure coverage terms.
| Brand | Autobest |
| Part Number | HP4120 |
| Position | High Performance Electric Fuel Pump, In-Tank |
| Average Current Draw(A) | 6 |
| Average Flow Rating(GPH) | 100 |
| Country of Orign | China |
| Gasket or Seal Included | Yes |
| Gasket Or Seal Material | Fkm |
| In Tank or External | In tank |
| Inlet Size | 0.433 |
| Inlet Type | Strainer |
| Installation Warnings | No |
| Life Cycle Status Code | Available to order |
| Maximum Pump Pressure (PSI) | 123.3 |
| Minimum Pump Pressure (PSI) | 79.8 |
| Negative Ground | No |
| Outlet Quantity | 1 |
| Outlet Size | 0.346 |
| Outlet Type | Hose |
| Package Contents | Pump |
| Package Height (in) | 6.88 |
| Package Length (in) | 12.94 |
| Package Width (in) | 6.13 |
| Product Height (in) | 1.99 |
| Product Length (in) | 4.88 |
| Product Width (in) | 1.99 |
| Pump Type | Turbine |
| Regulator Included | No |
| Short Description | Electric fuel pump |
| Strainer Included | No |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Thread |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Buick | Park Avenue | 3.8L | V6 | In-Tank | Incls Hose, Clamps, & Tank Seal; High Performance Electric Fuel Pump |
| 1992 | Buick | Park Avenue | 3.8L | V6 | In-Tank | Incls Hose, Clamps, & Tank Seal; High Performance Electric Fuel Pump |
| 1991 | Buick | Park Avenue | 3.8L | V6 | In-Tank | Strainer required to validate the warranty: F141S; High Performance Electric Fuel Pump |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.