US Motor Works USMP16843 Mechanical Fuel Pump

Name: US Motor Works USMP16843 Mechanical Fuel Pump
Brand: US Motor Works
SKU: BKMK-USMP16843
Price: 32.98 USD
Availability: InStock

55 vehicles fit this part

Select your vehicle to confirm fitment

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Jeep, Cherokee, CJ5, CJ7, Grand Wagoneer, J10, J20, Scrambler, and Wagoneer

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Mechanical Fuel Pump for Jeep Applications

US Motor Works USMP16843 is a mechanical fuel pump built for reliable fuel delivery in classic Jeep applications. It is engineered to meet or exceed OEM specifications and uses durable materials for consistent fuel flow in demanding driving conditions.

Mechanical fuel pump for carbureted fuel systems
Built to OEM-level specifications for fit and function
Constructed from high-quality materials for durability
Direct replacement for select Jeep CJ5, CJ7, Cherokee, Wagoneer, J10, J20, Scrambler, and Grand Wagoneer models
Cross-references Airtex 6737 and Delphi MF0009 for the same application

Detailed Product Overview

This US Motor Works fuel pump, part number USMP16843, is designed for Jeep vehicles that use a mechanical pump to supply fuel from the tank to the engine. It supports steady fuel delivery for older Jeep CJ5 and CJ7 models, as well as Cherokee, Wagoneer, J10, J20, Scrambler, and Grand Wagoneer applications. If you are replacing a worn Jeep fuel pump, USMP16843 provides a direct-fit service part for the listed vehicles.

Compatible With 1967, 1970-1974, and 1979-1983 Jeep CJ5; 1976-1986 Jeep CJ7; 1974-1983 Jeep Cherokee; 1972-1973 and 1980-1983 Jeep Wagoneer; 1974-1980 Jeep J10; 1974 and 1976 Jeep J20; 1981-1985 Jeep Scrambler; and 1984-1986 Jeep Grand Wagoneer. Part number USMP16843 is also a useful reference when searching for a Jeep mechanical fuel pump replacement.

What It Helps Address

Hard starting caused by weak fuel delivery
Fuel starvation under normal engine operation
Inconsistent fuel pressure from a worn mechanical pump
Stalling related to inadequate fuel supply
Restoration work on classic Jeep fuel systems

Installation Notes and Tips

Verify the existing pump style and mounting location before installation. Confirm carbureted fuel system requirements and compare the original pump configuration to the vehicle listing for your Jeep CJ5, CJ7, Cherokee, Wagoneer, J10, J20, Scrambler, or Grand Wagoneer. Follow factory service procedures for gasket sealing, fuel line routing, and priming after installation.

Quality Assurance

US Motor Works states that this pump is manufactured to meet or exceed OEM specifications and is built for dependable performance and durability in service.

This part fits 55 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position
1986	Jeep	CJ7	4.2L	L6	N/A
1986	Jeep	Grand Wagoneer	4.2L	L6	N/A
1985	Jeep	CJ7	4.2L	L6	N/A
1985	Jeep	Grand Wagoneer	4.2L	L6	N/A
1985	Jeep	Scrambler	4.2L	L6	N/A
1984	Jeep	CJ7	4.2L	L6	N/A
1984	Jeep	Grand Wagoneer	4.2L	L6	N/A
1984	Jeep	Scrambler	4.2L	L6	N/A
1983	Jeep	Cherokee	4.2L	L6	N/A
1983	Jeep	CJ5	4.2L	L6	N/A
1983	Jeep	CJ7	4.2L	L6	N/A
1983	Jeep	Scrambler	4.2L	L6	N/A
1983	Jeep	Wagoneer	4.2L	L6	N/A
1982	Jeep	Cherokee	4.2L	L6	N/A
1982	Jeep	CJ5	4.2L	L6	N/A
1982	Jeep	CJ7	4.2L	L6	N/A
1982	Jeep	Scrambler	4.2L	L6	N/A
1982	Jeep	Wagoneer	4.2L	L6	N/A
1981	Jeep	Cherokee	4.2L	L6	N/A
1981	Jeep	CJ5	4.2L	L6	N/A
1981	Jeep	CJ7	4.2L	L6	N/A
1981	Jeep	Scrambler	4.2L	L6	N/A
1981	Jeep	Wagoneer	4.2L	L6	N/A
1980	Jeep	Cherokee	4.2L	L6	N/A
1980	Jeep	CJ5	4.2L	L6	N/A
1980	Jeep	CJ7	4.2L	L6	N/A
1980	Jeep	J10	4.2L	L6	N/A
1980	Jeep	Wagoneer	4.2L	L6	N/A
1979	Jeep	Cherokee	4.2L	L6	N/A
1979	Jeep	CJ5	4.2L	L6	N/A
1979	Jeep	CJ7	4.2L	L6	N/A
1979	Jeep	J10	4.2L	L6	N/A
1978	Jeep	Cherokee	4.2L	L6	N/A
1978	Jeep	CJ7	4.2L	L6	N/A
1978	Jeep	J10	4.2L	L6	N/A
1977	Jeep	Cherokee	4.2L	L6	N/A
1977	Jeep	CJ7	4.2L	L6	N/A
1977	Jeep	J10	4.2L	L6	N/A
1976	Jeep	Cherokee	4.2L	L6	N/A
1976	Jeep	CJ7	4.2L	L6	N/A
1976	Jeep	J10	4.2L	L6	N/A
1976	Jeep	J20	4.2L	L6	N/A
1975	Jeep	Cherokee	4.2L	L6	N/A
1975	Jeep	J10	4.2L	L6	N/A
1974	Jeep	Cherokee	4.2L	L6	N/A
1974	Jeep	CJ5	4.2L	L6	N/A
1974	Jeep	J10	4.2L	L6	N/A
1974	Jeep	J20	4.2L	L6	N/A
1973	Jeep	CJ5	3.8L	L6	N/A
1973	Jeep	Wagoneer	4.2L	L6	N/A
1972	Jeep	CJ5	3.8L	L6	N/A
1972	Jeep	Wagoneer	4.2L	L6	N/A
1971	Jeep	CJ5	4.2L	L6	N/A
1970	Jeep	CJ5	4.2L	L6	N/A
1967	Jeep	CJ5	4.2L	L6	N/A

* 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:

6737J3228191MF0009SP1006MP

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