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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: DELEX631763-CRE
$500.25
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 N14 Celect Remanufactured Fuel Injector Manufacturer: Delphi Manufacturer Part #: EX631763 Thoroughbred Diesel Part #: DELEX631763
The Delphi Cummins N14 Celect Remanufactured Fuel Injector - EX631763 is a premium OEM-quality replacement injector designed specifically for Cummins N14 Celect diesel engines. Built and remanufactured by Delphi, this injector restores precise electronic fuel delivery, consistent combustion, and reliable engine performance in heavy-duty trucking, industrial, and agricultural applications. Each unit is engineered to strict OE standards and is fully tested for accurate fuel metering, stable injection timing, and consistent spray pattern performance under demanding load conditions. Designed for durability and long service life, the EX631763 helps improve engine power, fuel efficiency, emissions control, and overall drivability in Cummins N14 platforms.
Delphi’s remanufacturing process includes complete disassembly, replacement of all critical wear components (including nozzle, spring, seat, and sealing elements), surface reconditioning, and 100% functional testing for fuel delivery, injection pressure, and timing accuracy to ensure OEM-level reliability.
OE Numbers 2003, 2025, 209990X, 2143, 3087556, 3087788, 3095086, 3411763, 3411763PX, 3411763R, 3411763RX, 3609796, 3609796RX, DELEX631763, DT3411763R, EX631763, FS3411763RX, R-3411763, R3411763
Delphi Features: