Chevrolet Duramax Fuel Injector (1) - DDP - Stock - `17-`23 is a direct-fit replacement injector for 6.6L L5P Duramax engines from 2017 through 2023. This single DDP stock injector matches factory specifications and is intended for repair or stock-replacement applications.

Designed for owners who require an OEM-style injector, the DDP stock unit provides the correct spray pattern and fuel delivery expected for L5P engines. Supplied as a single injector, it installs into the factory location without modification and is suitable for restoring proper fueling after a failed injector or when maintaining stock engine behavior during other vehicle updates. Installation by a qualified technician is recommended to ensure proper seating, sealing, and system checks.

Features

• Direct OE-fit for 2017–2023 Chevrolet Duramax 6.6L L5P
• Stock flow characteristics matching factory specification
• Compatible with factory harness and mounting hardware
• Sold as a single injector for targeted repairs

If you have questions or need help confirming fitment, call us at 512-982-9393 (TX) or 562-981-6800 (CA). We have service and installation at two locations — Austin, Texas and the Los Angeles, California area — where we offer on-site installation and customization services. If you're thinking about purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov