Fuel Injector Nozzle 12668390 for GMC V8 5.3L Flex Engine

OEM / REF: 12668390SKU: pilotpart715784

8PCS Fuel Injectors for GMC Yukon (XL) Sierra 1500 4.3L/5.3L 2014-2018 #12623116 12656005 12656932 12668390 12668649 12672368 12681212 is a Fuel Injector Nozzle replacement part indexed for GMC Yukon · V8 5.3L Flex · 2015-2018 and GMC Yukon XL · V8 5.3L Flex · 2015-2018, with 3 application records on file. Match OEM...

Stock
In stock
Condition
New
Fitment
GMC Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Injectors & Nozzle Description

This Injectors & Nozzle is indexed for GMC Yukon · V8 5.3L Flex · 2015-2018; GMC Yukon XL · V8 5.3L Flex · 2015-2018; GMC Sierra 1500 · V6 4.3L · 2014-2018; GMC Sierra 1500 · V8 5.3L Flex · 2014-2018. Compare reference number 12668390 against the label on your existing GMC component before ordering.

Additional cross references on file: 12656005, 12681212, 12672368. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • GMC Yukon · V8 5.3L Flex · 2015-2018
  • GMC Yukon XL · V8 5.3L Flex · 2015-2018
  • GMC Sierra 1500 · V6 4.3L · 2014-2018
  • GMC Sierra 1500 · V8 5.3L Flex · 2014-2018

Specifications

Quantity8 Pcs
Part Number (GM)12668390, 12656005, 12681212, 12672368, 12656932, 12668649, 12623116
Part NumberGM: 12668390, 12656005, 12681212, 12672368, 12656932, 12668649, 12623116

Fitment Notes

Brand or application signal
GMC Engine Spare Parts
Product family
Injectors & Nozzle
System category
Engine Spare Parts > Fuel System > Injectors & Nozzle
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.