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Complete set of rotary pump TDI (1Z, AHU, ALH) injectors with your choice of upgraded Firad & Bosio injector nozzles.  These injectors have been professionally rebuilt and calibrated with new nozzles by Bosch service centers on Bosch equipment.  Fully tested and ready for immediate installation.

Nozzle Options:

  • Firad 520: 5-hole, .205 nominal hole size nozzle with improved spray pattern compared to stock Bosch nozzles.  Stock size nozzles are .184 hole size, so these injectors provide an increase in fuel flow netting a power increase of 10-15 ft/lbs and ~10 horsepower.
  • Firad 706: Stock, manual TDI nozzles.  A good small upgrade for automatic cars.

Fits all 1997-2003 TDI models.  2003 models require a different electrical connector, so please specify if your TDI is a 2003 model in the dropdown below.

Core Deposit

There is a core deposit of $600 for these injectors.  This will be refunded when your assembled, rebuildable (not damaged) injectors are accepted by the Bosch service center for refurbishment.  

Includes new injector seals & fuel return line.  Please remember to swap the banjo and bolt from the third injector onto the new injectors before sending your cores back.

A prepaid USPS return label and box can be added to the order for $10 below. This return must be dropped off at a USPS post office in the contiguous USA.

Other nozzle sizes are available by special order if needed. 

Available Options:

Nozzle Option:

Model Year:

  Prepaid Return Label (+$10.00)
    Core Charge (+$600.00)

  
  Select Vehicle to Check Fitment
In Stock
  Name Price Select
Third Injector Electrical Connector Third Injector Electrical Connector $9.00
Volkswagen
  • Golf TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • Jetta TDI MkIII (A3 chassis) w/ AHU Engine (1997-1999)
  • Jetta TDI MkIV (A4 chassis) w/ ALH Engine (1999-2003)
  • Jetta Wagon TDI (A4 chassis) w/ ALH Engine (2002-2003)
  • New Beetle TDI (A4 chassis) w/ ALH Engine (1998-2003)
  • Passat TDI (B4 chassis) w/ AHU/1Z Engine (1996-1997)
If you want something done right, do it yourself. This is the attitude we take to our own products. IDParts.com branded items have been designed and manufactured to our specific requirements, focusing on quality and reliability.

Frequently Asked Questions

Yes, these will work with automatic transmission equipped vehicles, however, we recommend staying with the DLC 520 over the PowerPlus 520 in that application.
We use both Bosio and Firad nozzles. Both Firad and Bosio are family owned injector nozzle manufacturers located in Italy, not far from each other in fact. Quality and performance between the two companies is virtually identical.
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