Common-Rail Diesel Injector Return-Flow Test Kit

Compare injector return flow on a compatible common-rail diesel system with a cylinder-and-adapter test kit.

✅ Compare injectors during the same test - The arrangement supports simultaneous return-flow observation for up to six compatible injectors.

✅ Connect through the selected adapter fit - The supplied adapter selection covers the listed injector families.

✅ Keep the testing parts together - A moulded case organises the cylinders and adapters between service jobs.

Use return flow as a diagnostic comparison

Different return quantities can provide a clue during a diesel-fuel-system investigation. A matched set lets a trained technician compare the injectors under the specified test conditions rather than viewing one result without context.

Follow the vehicle service procedure and keep the test on the intended return connections. Common-rail systems involve hazardous pressure; this kit does not test injection pressure or prove the cause of a fault by itself.

Technical details

• Type: diesel injector return-flow test kit
• Simultaneous-test reference: up to six injectors
• Adapter quantity reference: 24
• Fit references: Bosch-01, Siemens-02, Denso-03 and Delphi types
• Includes storage case; case colour may vary

Add a matched return-flow comparison to your diesel diagnostic tools.