HomeAir and Fuel Delivery > Fuel Pumps and Related ComponentsUS Motor Works USMP11383 Mechanical Fuel Pump
Part #: USMP11383

US Motor Works USMP11383 Mechanical Fuel Pump

⚙️ 13 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Century, LeSabre, Riviera, Roadmaster, and Skylark
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Reliable Mechanical Fuel Pump for Buick Models

The US Motor Works mechanical fuel pump USMP11383 is designed to provide consistent fuel delivery for select Buick vehicles. Engineered to meet the demands of classic Buick models, this fuel pump ensures steady performance and compatibility with your vehicle's fuel system.

Key Features of USMP11383 Mechanical Fuel Pump

  • Compatible with Buick Century, LeSabre, Riviera, Roadmaster, and Skylark models
  • Mechanical design for reliable fuel delivery in classic Buick engines
  • Durable construction to withstand typical operating conditions
  • Direct replacement part number USMP11383 for easy identification

Product Details and Compatibility

This mechanical fuel pump from US Motor Works is specifically designed for use in Buick vehicles including the Century, LeSabre, Riviera, Roadmaster, and Skylark. The part number USMP11383 corresponds to a mechanical fuel pump that fits these models, ensuring proper fuel flow and engine performance. Its design matches original equipment specifications, making it suitable for restoring or maintaining the fuel system in these classic Buicks.

Common Applications and Problem Resolution

  • Restores fuel delivery in Buick Century, LeSabre, Riviera, Roadmaster, and Skylark
  • Replaces failing or leaking mechanical fuel pumps
  • Addresses fuel starvation issues during acceleration or load
  • Eliminates engine stalling caused by inconsistent fuel supply
  • Supports maintenance of vintage Buick fuel systems

Installation Notes and Tips

When installing the US Motor Works mechanical fuel pump USMP11383, ensure the engine is cool and fuel lines are depressurized. Verify compatibility with your specific Buick model and engine year before installation. Proper gasket sealing and torque specifications should be followed to prevent leaks. It is recommended to inspect related fuel system components during replacement to maintain optimal performance.

Quality Assurance and Warranty Information

US Motor Works manufactures the USMP11383 mechanical fuel pump to meet industry standards for durability and performance. While specific warranty details are not provided, US Motor Works products typically undergo quality control to ensure reliable operation in compatible Buick vehicles.

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1965BuickRiviera7.0LV8N/A
1965BuickSkylark6.6LV8N/A
1964BuickLeSabre7.0LV8N/A
1964BuickRiviera7.0LV8N/A
1963BuickLeSabre6.6LV8N/A
1963BuickRiviera7.0LV8N/A
1962BuickLeSabre6.6LV8N/A
1961BuickLeSabre6.0LV8N/A
1960BuickLeSabre6.0LV8N/A
1959BuickLeSabre6.0LV8N/A
1958BuickCentury6.0LV8N/A
1958BuickRoadmaster6.0LV8N/A
1957BuickRoadmaster6.0LV8N/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:

40371MF0148SP1075MP

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