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SKU:
NLT1A01478
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Deutz 1011 Fuel Injector 04178021 Bosch 0432191623
$56.99
In Stock
$56.99
Sale price
$56.99
Regular price
This new aftermarket diesel fuel injector replaces Deutz 04178021 and Bosch 0432191623 for compatible 1011 and 1011F engine applications using the matching nozzle and leak-off arrangement.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Deutz 1011 engine applications using injector 04178021
- Deutz BF4L1011F and BF4L1011FT engines with the matching injector
- Deutz BF4M1011 and BF4M1011F engine applications
- Select Gehl SL4635, SL4835, SL5635, SL6635, 5635 and 6635 loaders only when the engine and injector number match
Product Overview
Hard starting, a dead cylinder, white smoke, fuel knock, uneven idle, or excessive return leakage can point to an injector after compression, timing, fuel supply, and pump output are tested. Those symptoms do not identify one injector by themselves.
The injector meters and atomizes diesel into the combustion chamber at the specified opening pressure. Correct calibration and cleanliness are critical, and old and new injector designs should not be mixed without professional guidance.
Match 04178021 or 0432191623, engine build, turbo or non-turbo configuration, body and nozzle, thread and hold-down, leak-off connection, opening-pressure specification, and removed injector.
Key Features & Performance
- Complete diesel injector for matching Deutz 1011 applications
- Bosch-style reference number for direct identification
- Designed for correct spray and opening behavior when calibrated to specification
- Replacement for a failed, leaking, or poor-spray injector
Replaces Part Numbers
- 04178021
- 0417-8021
- 0432191623
- 0432191627
- 04178023
- 03045392
Common Uses
- Replacing an injector that fails pop and leak tests
- Correcting a dead cylinder after compression and pump checks
- Servicing injectors after contaminated or stale diesel
Technical Specifications
- Product Type: Mechanical diesel fuel injector
- Engine Family: Deutz 1011 / 1011F applications
- Primary References: 04178021 / 0432191623
- Condition: New aftermarket replacement
Installation & Fitment
- Clean the engine thoroughly before opening fuel lines
- Follow diesel-injection pressure safety procedures
- Cap every open line and bore
- Use correct sealing washers and torque
- Bleed the low-pressure system and check for leaks and balanced running
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application that is not shown above. Model year, production date, serial number, engine or equipment specification, installed options, and previous repairs can change fitment. Match the original part, reference number, dimensions, connectors, mounting points, and product photos before purchase.
Frequently Asked Questions
Q: Can I diagnose an injector only from smoke color? A: No. Compression, timing, coolant, oil, pump output, and injector testing are needed.
Q: Should one injector be mixed with an old set? A: Compare flow and opening pressure across the set; a diesel specialist may recommend matched service.
Q: Will it fit every Deutz 1011? A: No. Engine build and injector body, nozzle, leak-off, and reference number must match.
Q: Is this an original-equipment part? A: No. This is a new aftermarket product. Brand names and part numbers are used only to identify compatible applications.
Part Summary
keywords: Deutz 04178021 fuel injector, Bosch 0432191623 replacement, 1011 engine white smoke injector, BF4M1011 rough idle repair, Deutz injector pop test failure
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, specifications, and application before purchase.