Thursday, May 14, 2026

Nozzle D-50 / D-50A (16s-42-6b)

 The Nozzle D-50/50A is a small but important fuel system component designed for D-50 and D-50A diesel engines. It is intended for use in fuel injection systems where accurate fuel delivery is essential for smooth engine performance.


Key Specifications

  • Product Name: Nozzle D-50/50A
  • Jubana Code: 144604424
  • Catalogue Number: 16s-42-6b
  • Application: Fuel system
  • Compatible Engines: D-50, D-50A
  • Price: €6.00
  • Availability: In stock
  • Remaining Stock: 100+ pcs

Build & Design

The nozzle has a compact, precision-machined metal body, built for fitting into diesel fuel injection assemblies. The visible metal construction suggests durability and resistance to normal fuel system operating conditions.

Its simple cylindrical design is typical for engine fuel nozzles, where correct machining and fitment matter more than appearance.


Performance

This part is designed to help maintain proper fuel delivery in compatible D-50 and D-50A engines. A functioning nozzle can contribute to:

  • Better fuel atomization
  • More stable combustion
  • Easier engine operation
  • Reduced smoke or uneven running when replacing a worn nozzle

As with any diesel fuel system component, performance depends heavily on correct installation, cleanliness, and adjustment.


Compatibility & Installation

This nozzle is intended for D-50 and D-50A engines and should be matched using the catalogue number 16s-42-6b before purchase.

Installation should be carried out carefully, ideally by someone experienced with diesel fuel systems, since dirt, incorrect fitting, or wrong calibration can affect engine performance.


Value for Money

At €6.00, this nozzle is very affordable for a fuel system spare part. With 100+ units in stock, it is also a convenient option for workshops or owners maintaining older machinery.


Pros

  • Low price
  • Compatible with D-50 and D-50A engines
  • Precision metal construction
  • Good availability
  • Useful for fuel system maintenance

Cons

  • Requires correct installation and clean handling
  • Limited to specific engine models
  • No detailed spray pattern or pressure data provided

Final Verdict

The D-50/50A nozzle 16s-42-6b is a cost-effective and practical replacement part for maintaining diesel fuel systems on D-50 and D-50A engines. It is a small component, but it plays an important role in reliable combustion and engine operation.



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