Core Charge
$200 [Add $100.00]
$300 [Add $200.00]
$400 [Add $300.00]
$500 [Add $400.00]
$600 [Add $500.00]
$700 [Add $600.00]
$800 [Add $700.00]
$900 [Add $800.00]
$1,000 [Add $900.00]
$1,100 [Add $1,000.00]
$1,200 [Add $1,100.00]
$1,300 [Add $1,200.00]
$1,400 [Add $1,300.00]
$1,500 [Add $1,400.00]
$1,600 [Add $1,500.00]
$1,700 [Add $1,600.00]
$1,800 [Add $1,700.00]
$1,900 [Add $1,800.00]
$2,000 [Add $1,900.00]
$450.00 [Add $0.00]
$1250.00 [Add $1,150.00]
Price: $100.00

  • $100
Use this listing to retroactively pay your core deposit. Select appropriate core option to add and begin checkout. 

For questions, concerns, or assistance with placing an order, please refer to the contact information provided at the bottom of this page. Our sales team is dedicated to helping you in any way possible. Thank you for choosing Dieselogic!
Return Policy Return Policy


Please click here to fill & submit an RMA form.

Your satisfaction is very important to us. L & J Diesel Service, Inc. d/b/a, a Florida corporation (“”), allows customers to return new and unused products purchased from (the “Product” or “Products”), subject to the terms and conditions set forth below:

Is My Product Eligible to Return?

Customer(s) may return purchases from for any reason up to thirty (30) days from the original invoice date, provided that the Product (i) has not been installed, (ii) is in “brand-new” condition, and (iii) is returned intact in the original packaging. To be eligible for return, Products must be received at our facility within thirty (30) days of the original order date, NO EXCEPTIONS. Returned items received after thirty (30) days are not eligible and will not be considered for returns or refund(s). Products sold as a kit or part of a kit are eligible for return as a complete kit only. Partial kits or individual kit components are not eligible for return with NO EXCEPTIONS. No refund(s) shall be given on Products that have been, in’s sole discretion and determination, installed or attempted to install, tampered with, contaminated, or disassembled or attempted to disassemble. All returned products shall be subject to a restocking fee of no less than fifteen percent (15%) of the original purchase price excluding tax. Original shipping costs shall also be deducted from any refund amount.

All orders may be processed within 24 hours, and once processed, the order can no longer be canceled, and the restocking fee shall apply. The restocking fee does not apply to unused Product exchanges or unused Products returned for store credit.

How Do I Submit a Return?
To return a Product, you must first request a Return Merchandise Authorization (“RMA”) number from To obtain an RMA number, please reply to your order confirmation email or send an email to and provide the following information: original invoice number; part number; serial number (if applicable); quantity; reason for the return with as much detail as possible; and any other relevant information that will help us efficiently process the return. No Product return shall be accepted or processed without first contacting us to obtain an RMA number. Shipping costs to return Products to are the sole responsibility of the Customer.

When Will My Refund Be Processed?

All returned products must be received into our system and queued for inspection. Once we have inspected and confirmed that the returned product(s) are in original, unused, and resalable condition, your order will be scheduled for refund. This approval process may take up to 7-10 business days from the product's arrival at our facility until your refund is processed. Please note that depending on your financial institution, it may take an additional 3-5 business days for the returned funds to be reflected in your account. 

To return an item, you must first request a Return Merchandise Authorization (“RMA”) number from Dieselogic. To obtain an RMA number, please click on the link above under “RMA Form.” Once an RMA number has been issued, add your RMA number to the address below and send the Product to:     
2345 Harper St.
Jacksonville, FL 32204

Some Circumstances in which credit will NOT be issued are not limited to:
• Product is a “Special Order” item
• Product has been installed and/or used
• Product has been damaged from an attempt to be installed and/or used
• Product is shipped back without original box, manual and/or parts
• Seal on electrical parts is broken
• Product serial number does not match that which was originally shipped to buyer
• Product is deemed not resalable by Dieselogic due to customers own actions in dealing with the Product


Domestic Shipping

All orders shipped from are shipped per customer's request where applicable.  Free  ground shipping for orders over $250 is offered to contiguous USA customers only.  Due to FAA regulations flammable liquids (fuel additive) cannot be shipped via air freight; these items must be shipped via ground service.  We make every effort to ship all orders within 48 hours, excluding weekends and National Holidays, though some orders will require additional processing, production, assembly, and/or procurement time before the order is ready for shipment.

Expedited Shipping Disclosure

It is important to note that expedited shipping timeframes are estimates of time in transit only and do not include weekends or holidays. Some orders will require processing, production, assembly, and/or procurement time before the order is ready for shipment. Please contact our team to discuss if your order will be subject to these limitations. Effective March 26, 2020 and until further notice, UPS and FedEx have suspended all service guarantees for all shipments from any origin to any destination.

International Shipping

Shipping costs on orders placed outside of the Contiguous US may not have accurate shipping charges assessed at check out; in this case the shipping cost will be calculated and we will contact the customer for confirmation of this charge.  Buyer shall be responsible for all shipping, handling, insurance, customs, duties and import fees, tariffs and taxes, and all other similar costs and charges.  Dieselogic reserves the right to pass any additional shipping expenses incurred from Buyers shipping instructions to the Buyer.  All orders for customers outside of the US for injectors, turbos and pumps; must send us their cores in advance or pay for them in full.  Please contact us at 904.786.7402 or via email at for further information.

Due to logistical impacts associated with current events carriers are no longer offering any money back guarantees, this is beyond our control & therefore unfortunately shipping charges are not refundable under any circumstances.

Dieselogic cuts out the middle man, meaning the same quality at lower prices. Found a better deal elsewhere? Give us a call at (888)598-5789 to talk about price matching.
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