Denso DXD51708 Fuel Injector for 2017+ Silverado / Sierra HD Duramax L5P

DN.DXD51708

DXD51708 is a new Denso fuel injector for 2017–present Chevrolet Silverado / GMC Sierra 2500HD / 3500HD with Duramax 6.6L L5P. Maxzz Diesel stocks it in Coconut Creek, Florida, and in-stock orders placed by 3 pm Eastern ship the same day.

Also listed as: DXD51708 · DN.DXD51708

Part number	DN.DXD51708
OEM number	DXD51708
Type	Fuel Injector
Brand	Denso
Condition	New
Engine	Duramax 6.6L L5P 2017–present
Vehicles	Silverado 2500HD / 3500HD, Sierra 2500HD / 3500HD
Years	2017–2026
Fitment	2017–present Chevrolet Silverado / GMC Sierra 2500HD / 3500HD with Duramax 6.6L L5P

New Denso common rail fuel injector, part number DXD51708, for the Duramax L5P (2017+). Each unit ships from our Florida warehouse, checked against the OE part number before it leaves.

Signs your injectors need attention

Hard starting or long crank time
Rough idle, misfire or a knock that was not there before
White or black smoke, loss of power or worse fuel economy
Injector balance-rate or contribution codes on the scan tool

Before you install

Find the root cause first. Contaminated fuel or a failing pump will damage new injectors.
Replace sealing washers, O-rings and any one-time-use hardware.
Common rail injectors carry a trim code (IQA / IMA). Program it with a scan tool after installation.

Fits

2017–present Chevrolet Silverado / GMC Sierra 2500HD / 3500HD with Duramax 6.6L L5P

Part numbers

Denso DXD51708
Cross reference 12698552
Cross reference 12678992
Cross reference 12696966

Cross references

12698552
12678992
12696966

Questions about DXD51708

Will DXD51708 fit my 2017+ Chevrolet Silverado / GMC Sierra 2500HD / 3500HD?

It fits 2017–present Chevrolet Silverado / GMC Sierra 2500HD / 3500HD with Duramax 6.6L L5P. Match the part number on your current fuel injector or send us your VIN to confirm.

Is this fuel injector new or remanufactured?

New Denso.

Do I need to program the injectors after installing?

Most common rail injectors have a trim code (IQA / IMA) printed on the body. Enter it with a scan tool after installation so the engine computer can balance fuel delivery.

Often needed with this part

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