SKU #: GZ-GA44800 MPN #: GA44800

Grizzly Remanufactured Fuel Injector 17-20 GM 6.6L Duramax

$250.94
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Description Overview
Restore fuel delivery, throttle response, and dependable diesel performance in your GM/Chevrolet 6.6L Duramax L5P with the Grizzly GA44800 Remanufactured High Pressure Common Rail (HPCR) Fuel Injector. Designed as a direct replacement injector for L5P Duramax applications, the GA44800 helps restore proper fuel atomization, smoother engine operation, improved drivability, and reliable towing and hauling performance for your Duramax-powered truck. Each injector is professionally remanufactured to meet or exceed OEM specifications using precision-tested internal components for consistent fuel delivery and long service life. Whether you are correcting rough idle, hard starting, excessive smoke, injector balance issues, poor fuel economy, or power loss, the Grizzly GA44800 is engineered to help bring your 6.6L Duramax L5P back to proper operating condition.
Product Price
$250.94
Refundable Core Deposit
+ $150.00
Price with Core Deposit
$400.94
  1. Pay Core Deposit with your order
  2. Return Old Part within 30 days
  3. Get Deposit Back once approved

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Grizzly GA44800 is a remanufactured HPCR fuel injector for GM/Chevrolet 6.6L Duramax L5P engines, built to meet or exceed OEM specifications.

Fits
2017-2020 GM 6.6L Duramax
Brand
Grizzly
Best for
Correcting rough idle, hard starting, or power loss
Key features
  • Remanufactured HPCR fuel injector
  • Helps restore fuel delivery, drivability, and engine performance
  • Built to meet or exceed OEM specifications
  • Supports smooth idle and reliable engine operation
  • Cost-effective alternative to a new replacement injector
  • Designed for dependable long service life
  • 12-month warranty included

Summarized by AI from this product’s description and specs. Confirm fitment for your year, make and engine before ordering.

Restore fuel delivery, throttle response, and dependable diesel performance in your GM/Chevrolet 6.6L Duramax L5P with the Grizzly GA44800 Remanufactured High Pressure Common Rail (HPCR) Fuel Injector. Designed as a direct replacement injector for L5P Duramax applications, the GA44800 helps restore proper fuel atomization, smoother engine operation, improved drivability, and reliable towing and hauling performance for your Duramax-powered truck.

Each injector is professionally remanufactured to meet or exceed OEM specifications using precision-tested internal components for consistent fuel delivery and long service life. Whether you are correcting rough idle, hard starting, excessive smoke, injector balance issues, poor fuel economy, or power loss, the Grizzly GA44800 is engineered to help bring your 6.6L Duramax L5P back to proper operating condition.

Vehicle Fitment
2017-2020 GM 6.6L Duramax
WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

FEATURES & BENEFITS:

  • Remanufactured HPCR fuel injector
  • Fits GM/Chevrolet 6.6L Duramax L5P applications
  • Helps restore fuel delivery, drivability, and engine performance
  • Built to meet or exceed OEM specifications
  • Supports smooth idle and reliable engine operation
  • Cost-effective alternative to a new replacement injector
  • Designed for dependable long service life
  • 12-month warranty included

APPLICATION:

  • GM 2500HD/3500HD 6.6L Duramax L5P
About Grizzly Products

High quality emissions components are hard to come by. That's where Grizzly Products come in. Grizzly Products manufactures high quality diesel engine components for modern diesel engines that will not let you down. Grizzly's stringent recertification methods used in our remanufactured and new products, along with the use of high-quality replacement parts, make for an unbeatable and highly durable product line that helps support your service reputation.

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