Skip to product information
Diesel Fuel Injector for Chevrolet / GMC 6.6L Duramax LMM 2007–2010 – Northline Parts

Diesel Fuel Injector for Chevrolet / GMC 6.6L Duramax LMM 2007–2010

SKU: NLT2S00429
$173.39 In Stock
$173.39
Sale price  $173.39 Regular price 
Ships for free in 2–4 business days.
This diesel fuel injector is intended for select Chevrolet and GMC trucks equipped with the 6.6L LMM Duramax engine. It delivers carefully metered fuel into the combustion chamber under high pressure.
Estimated delivery between
Shop at Northline Parts Best Customer Service Best Online Parts

Let Northline Parts Do the Heavy Lifting for You!

Not sure which part you need? Our team can help you find the right replacement.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Chevrolet Silverado 2500HD / 3500HD 2007–2010 6.6L LMM where equipped
  • GMC Sierra 2500HD / 3500HD 2007–2010 6.6L LMM where equipped

Product Overview

A common-rail injector is matched to a specific engine family and may require injector coding or other setup after replacement. The high-pressure fuel system must be kept clean during service.

Hard starting, rough idle, fuel dilution and excessive return flow can point toward injector failure, but compression and fuel-pressure tests should guide diagnosis.

Key Features & Performance

  • Diesel Fuel Injector
  • LMM engine; Silverado/Sierra fitment most relevant
  • Confirm engine code LMM, injector electrical connector, original part number and calibration requirements; do not assume LML or LBZ interchangeability.

What Is Included

1 diesel fuel injector

Fitment Notes

Confirm engine code LMM, injector electrical connector, original part number and calibration requirements; do not assume LML or LBZ interchangeability.

Frequently Asked Questions

When should this part be replaced? Hard starting, rough idle, fuel dilution and excessive return flow can point toward injector failure, but compression and fuel-pressure tests should guide diagnosis.

Is this a genuine OEM part? No. This listing describes a replacement or accessory unless explicitly stated otherwise. Manufacturer names and OE numbers are used to identify the intended application.

Part Summary

Keywords: Diesel Fuel Injector for Chevrolet / GMC 6.6L Duramax LMM 2007–2010, Chevrolet Silverado 2500HD / 3500HD 2007–2010 6.6L LMM where equipped, GMC Sierra 2500HD / 3500HD 2007–2010 6.6L LMM where equipped.

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

Customers also purchased