The LDFI0507 Plunger & Barrel Group from SRT Automotive (formerly Lucas Diesel Systems) is a new aftermarket replacement component designed for compatible Ford® 7.3L Power Stroke and Navistar® T444E HEUI diesel fuel injectors with AD and AE injector body codes.
The precision-matched plunger and barrel are essential components of the HEUI fuel-injection system. During injector operation, the plunger moves within the barrel to generate the high fuel pressure required for injection into the combustion chamber.
The LDFI0507 corresponds to the 06061/31 PRIME-type plunger and barrel configuration used in selected AD and AE fuel injectors. It is intended for professional injector rebuilding, repair, remanufacturing, and component replacement.
Important: This listing is for one plunger and barrel group, not a complete fuel injector. Verify the original injector identification code, plunger-and-barrel configuration, and engine application before ordering. Different 7.3L HEUI injector configurations may require different internal components.
Features & Benefits
- New aftermarket HEUI plunger and barrel group
- Designed for compatible Ford® 7.3L Power Stroke and Navistar® T444E injectors
- Compatible with selected AD and AE injector configurations
- 6.0 mm nominal plunger diameter
- PRIME-type configuration for compatible pre-injection metering systems
- Suitable for professional injector rebuilding, repair, and remanufacturing
- Supplied in Lucas / SRT Automotive packaging
Product Specifications
-
California Diesel SKU: LDFI0507
-
SRT Automotive Reference: SRDI0507
-
Former Lucas Reference: LDFI0507
-
Component Reference: 06061/31
-
Product Type: Diesel Fuel Injector Plunger & Barrel Group
-
Also Known As: HEUI Plunger and Barrel, Injector Plunger Assembly, Plunger & Barrel Set
-
Fuel Type: Diesel
-
Injection System: HEUI – Hydraulically Actuated Electronic Unit Injection
-
Configuration: PRIME / Pre-Injection Metering
-
Plunger Diameter: 6.0 mm nominal
-
Compatible Injector Codes: AD / AE
-
Condition: New / Aftermarket
-
Product Tier: Aftermarket
-
Warranty: 12 Months / 50,000 Miles
-
Packaging: Lucas / SRT Automotive Packaging
This product has not been installed or placed into service. Due to bulk handling, storage, inspection, or repackaging, minor cosmetic marks, light scuffs, or small surface imperfections may be present. Components with damage affecting precision mating surfaces, fit, or intended functionality should not be installed.
Compatible Engine Families
-
Ford® 7.3L Power Stroke: Selected 1999–2003 applications equipped with compatible AD or AE HEUI injectors
-
Navistar® / International® T444E: Selected applications equipped with AD or AE HEUI injectors
Applications vary according to engine serial number, production date, injector body code, and calibration. Engine displacement or vehicle model alone does not establish compatibility.
Compatible Injector References
Ford® 7.3L Power Stroke — AD Injector Family
Ford® 7.3L Power Stroke — AE Injector Family
- F81Z-9E527-EARM
- XC3Z-9E527-AARM
Navistar® T444E — AD Injector Family
- 1831551C1
- 1831550C1
- 1831487C92
- 1831487C93
- 1831489C1
Navistar® T444E — AE Injector Family
Fitment Verification: These injector numbers identify the corresponding AD and AE injector families documented in the DIPACO HEUI application guide. Confirm the original injector identification code and 06061/31 plunger-and-barrel configuration before ordering.
Cross Reference Information
-
LDFI0507: Lucas Diesel Systems reference
-
SRDI0507: SRT Automotive reference
-
06061/31: Component reference
-
DPE06061/31: DIPACO aftermarket application reference
Important: Reference numbers identify corresponding replacement applications and do not necessarily establish identical manufacturing specifications.
Other plunger-and-barrel configurations, including 06000/31 and 06060/31, are intended for different injector families and should not be substituted without technical verification.
Professional Installation
HEUI plunger and barrel components require correct component matching, precision assembly, and appropriate cleanliness procedures.
Installation should be completed by a qualified diesel fuel-injection technician using suitable tooling and the applicable manufacturer's service procedures.
Professional injector calibration and test-bench verification are recommended following installation to confirm fuel delivery, leakage, and correct injector operation.
Warranty
This aftermarket product is backed by a 12-month / 50,000-mile limited warranty, subject to California Diesel warranty terms and proper professional installation.
Packaging
Supplied in Lucas / SRT Automotive packaging. Packaging appearance may vary between previous Lucas Diesel Systems branding and current SRT Automotive branding.
California Diesel Note
California Diesel supplies replacement diesel, automotive and heavy-equipment components for repair facilities, fleets and professional service applications.
For compatibility assistance, contact sales@california-diesel.com or call +1 (951) 234-1022.
Legal Compliance
Ford®, Power Stroke®, Navistar®, International®, DIPACO, and other third-party brand names, part numbers, and trademarks are used solely for product identification and compatibility information. They remain the property of their respective owners.
Such references do not imply that this aftermarket component is manufactured, authorized, or endorsed by those vehicle, engine, or component manufacturers.
California Proposition 65
WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov.
