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ADAPTER, FUEL PRESSURE TEST - PART - OTC Tools and Equipment

Part #: OT528770

The OTC Tools and Equipment OT528770 Fuel Pressure Test Adapter is an essential component designed for professional technicians to accurately diagnose fuel system performance. This specialized adapter ensures a secure and leak-free connection, facilitating precise fuel pressure measurements on specific diesel applications. It is engineered to integrate seamlessly with your existing fuel pressure testing equipment, providing reliable data for effective troubleshooting.

Key Features

  • Vehicle-Specific Compatibility: Specifically engineered for use on 2003-later 5.9L Cummins diesel engines, ensuring a perfect fit and accurate results.
  • Professional-Grade Construction: Crafted from high-quality metal, this adapter is built for durability and to withstand the rigors of frequent professional use in demanding shop environments.
  • Secure & Leak-Free Connection: Designed to create a tight seal within the fuel system, preventing leaks and ensuring precise pressure readings for critical diagnostics.
  • Accurate Diagnostics: Facilitates the exact measurement of fuel pressure, which is crucial for pinpointing underlying fuel delivery problems.
  • OE Part Similarity: This adapter is similar to OE part number MLR-9011, providing a reliable alternative for diagnostic procedures.

Applications

The OT528770 adapter is vital for a range of diagnostic tasks, enabling professional mechanics to accurately assess and troubleshoot fuel system integrity. It is primarily used for:

  • Diagnosing Fuel System Malfunctions: Identify issues such as low or high fuel pressure, which can lead to poor engine performance, stalling, or fuel delivery problems.
  • Fuel Pump Performance Testing: Verify the operational efficiency and output of the fuel pump.
  • Fuel Regulator Checks: Confirm proper function of the fuel pressure regulator to maintain optimal fuel system pressure.
  • Driveability Problem Analysis: Troubleshoot various engine driveability issues caused by out-of-spec fuel pressure.

Specifications

  • Part Number: OT528770
  • Application: 2003-later 5.9L Cummins Diesel engines
  • Dimensions: 4.7 × 0.6 × 1.3 inches
  • Weight: 0.1 lb
Only 1 left in stock - order soon

$30.62

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This product was added to our catalog on Saturday 30 May, 2026.

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