Welcome to our store Learn more

New collections added! Learn more

GM / ACDelco  |  SKU: 19256465 / 217-3438 x2

2011–2016 LML Duramax Fuel Injector Seal O-Ring Kit Genuine GM 19256465 / 217-3438

$69.37


Product Care information

At BackWoods Diesel, we ensure all parts are stored in a clean, dry, and temperature-controlled environment to prevent damage. Our team inspects each part for quality and maintains them according to manufacturer guidelines before shipping.

Delivery and Shipping

At BackWoods Diesel, we prioritize fast and reliable shipping. All orders are carefully packed and dispatched promptly to ensure your parts arrive safely and on time, so you can keep your projects running smoothly without delay.

We deliver top-quality parts with fast, reliable shipping so you can keep your diesel projects moving without missing a beat!

Description

This listing includes 2 complete GM 19256465 / 217-3438 Fuel Injector Seal O-Ring Kits — enough to service all 8 injectors on your 2011–2016 LML Duramax Diesel engine.

Each kit from GM is designed to reseal 4 injectors, so this combo provides everything you need for a complete engine reseal when performing injector or head gasket work. These are Genuine OEM GM components—not aftermarket copies—ensuring perfect fitment, superior sealing, and long-term durability.

Features & Benefits:
- Includes 2 kits (enough for 8 injectors / full engine)
- Genuine OEM GM quality and fitment
- Prevents fuel and combustion leaks
- Recommended for injector or head gasket replacement
- Meets GM OE durability and performance standards

Specifications:
Brand: GM Genuine / ACDelco
Part Numbers: 19256465 / 217-3438
UPC: 707773658857
Quantity: 2 kits (complete engine set)

Vehicle Fitment:
2011–2016 Chevrolet Silverado 2500HD / 3500HD (6.6L LML Duramax Diesel)
2011–2016 GMC Sierra 2500HD / 3500HD (6.6L LML Duramax Diesel)

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Diners Club
  • Discover
  • Google Pay
  • iDEAL
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

GM / ACDelco

2011–2016 LML Duramax Fuel Injector Seal O-Ring Kit Genuine GM 19256465 / 217-3438

$69.37

This listing includes 2 complete GM 19256465 / 217-3438 Fuel Injector Seal O-Ring Kits — enough to service all 8 injectors on your 2011–2016 LML Duramax Diesel engine.

Each kit from GM is designed to reseal 4 injectors, so this combo provides everything you need for a complete engine reseal when performing injector or head gasket work. These are Genuine OEM GM components—not aftermarket copies—ensuring perfect fitment, superior sealing, and long-term durability.

Features & Benefits:
- Includes 2 kits (enough for 8 injectors / full engine)
- Genuine OEM GM quality and fitment
- Prevents fuel and combustion leaks
- Recommended for injector or head gasket replacement
- Meets GM OE durability and performance standards

Specifications:
Brand: GM Genuine / ACDelco
Part Numbers: 19256465 / 217-3438
UPC: 707773658857
Quantity: 2 kits (complete engine set)

Vehicle Fitment:
2011–2016 Chevrolet Silverado 2500HD / 3500HD (6.6L LML Duramax Diesel)
2011–2016 GMC Sierra 2500HD / 3500HD (6.6L LML Duramax Diesel)

View product