GM 19256465 Injector O-Ring Seal Kit for 2011–2016 LML Duramax Engines (Silverado/Sierra)

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)

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