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Thoroughbred Sku #: DELEX634920KIT-CRE
$868.51 On Sale! $806.37
Terms & Conditions for Cores
Many stock replacement parts such as turbos, injectors, injection pumps, and high pressure oil pumps have a core charge that is associated with the new replacement part. You must return the old part to receive a refund on the core charge.
If you plan on returning your core you have two options.
Thoroughbred Diesel offers defer the upfront core charge when purchasing via credit card payment.
OPTION 1: You can accept the core charge, which means you will be charged for the part AND the core at time of purchase. You still have the option to send it back, and if you do, the core will be refunded back on the card used, presuming the core meets core criteria and the core is returned within 30 days from the time your order is received. If you return your core after 30 days you may refer to the Core Charge Timeline below as to how you will be refunded.
Core Charge Timeline
OPTION 2: You can defer the core charge. If you defer, you will not be charged for the core at the time of purchase. You will have 21 days from the time your order is received to send the core back. If the core is not received within the 21 days, your credit card will be charged for the core amount on your order. If you return your core after 21 days, you may refer to the Core Charge Timeline below as to how you will be refunded. When Core deferral (Pay Core Charge Later) is limited to payment by credit card only. ***When using PayPal or Affirm as your method of payment “Core Deferral (Pay Core Charge Later)” is not available. The core must be paid at time of purchase. ***
Core Return Procedure
Product Name: Delphi Cummins ISX Common Rail Remanufactured Fuel Injector Manufacturer: Delphi Manufacturer Part #: EX634920KIT Thoroughbred Diesel Part #: DELEX634920KIT
Don’t risk your fuel system with poor-quality parts. Get a replacement 5579415 Common Rail Fuel Injector from Thoroughbred Diesel!
Your Cummins ISX is idling rough, misfiring when trying to accelerate or it’s consuming more fuel than normal. These are all symptoms of a failure in the fuel system. If you shop the competition, these problems could arise weeks, or days, after installation. Why? Our competitors are keen at making parts with a crisp, clean shine. But they aren’t experts at getting the necessary power to last another million miles.
At Delphi Parts, you’ll get a 5579415 Common Rail Fuel Injector that has been manufactured in an ISO 9001:2015 certified facility, ensuring quality and consistency for your ISX. Delphi offers only premium aftermarket parts for your ISX at a much lower price compared to the OE manufacturer to help put money back in your pocket.
Each part is crafted with hard-wearing strength and durability to ensure your ISX can withstand the rigors you put it through. It is also built to strict specifications for proper fitment and functionality.
As an added benefit, our parts are backed by our ASE-certified technicians on staff who can answer any technical question you have about your Cummins ISX.
OE Numbers 209989EX, 209989X, 2894920, 2894920NX, 2894920PX, 2894920X, 5579415, 5579415PX, EX634920, R-5579415, R2894920, R5579415
Delphi Features: