DDP 4BTP-1NZ CUMMINS P-PUMP STAGE 1 NOZZLE SET 4BT

The DDP 4BTP-1NZ injector nozzle set features OEM-style 1-hole nozzles designed for the Cummins 4BT 3.9L engine equipped with a Bosch P7100 mechanical injection pump. These nozzles are ideal for those seeking a factory-spec replacement—perfect for equipment rebuilds, fleet maintenance, or restoring original performance in step vans and industrial rigs.

Built with precision by Dynamite Diesel Performance, this nozzle-only set is intended for professional installation onto existing injector bodies.

Fitment Applications

• Cummins 3.9L 4BT w/ Bosch P7100 (mechanical pump)

• Common platforms:

  • Step vans, delivery trucks

  • Agricultural and construction machinery

  • Generators and swap vehicles with stock fueling setups

 Not compatible with VE-pump or electronically controlled injection systems.

Key Features

•  Set of 4 precision 1-hole nozzles

•  Designed for P7100-equipped 4BT engines

•  Stock flow and spray pattern

•  Built for optimal atomization and combustion

•  Ideal for OEM-level performance and longevity

•  Requires installation on existing injector bodies

•  Manufactured and calibrated in the USA

Best For

• Stock replacement

• Emissions compliance (in off-road/ag use)

• Fleet service or industrial reliability

• Projects where tuning and mods are not desired

Restore your Cummins 4BT engine to like-new performance with DDP’s high-quality, OEM-style 1-hole nozzle set – ideal for daily work use and long-term durability.