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Welcome to Remane Diesel Engine
US Engine Production has been a trusted provider of new and remanufactured high quality engines at competitive prices for over 35 years. Our production facility is 180,000 square feet and located in Vassar Michigan, with corporate operations in Plainview New York. USEP produces over 5500 diesel and gas engines each year in all makes and sizes and inventories approximately 1200 units. We offer a flexible core return policy, that allows up to 30 days to return your core and we pay the return freight. Many units require no up-front fee and have an average lead time of 3 – 5 business days. We also offer transmissions, parts and accessories such as fuel injectors, fuel pumps, water pumps and turbochargers. We believe that lasting business relationships are based on mutual trust and respect, and that customer service is of the utmost importance. Our workplace core values demand that our employees conduct themselves with integrity, accountability, diligence and discipline. Given the opportunity, you will find us to be a trustworthy partner.

Customer Service

We ship nationwide at the same cost as a local delivery! excluded

Most orders will be shipped the same day by one of our carriers. Because of our huge volume, we have negotiated special rates with certain shipping companies to bring you the lowest possible freight costs.

Once you have placed an order with us, you will receive a confirmation email containing the shipping information, shipper contact number, estimated delivery time and a tracking number.

All engines & cylinder heads are inspected before delivery. However, damage may occur during shipping. We request that customers inspect all engines & cylinder heads at time of delivery.

International Diesel does not assume any responsibility for any damage or missing parts claims after inspection and signing by the purchaser at the time of delivery. Please make damage claims direct to the carrier for orders shipped via common carrier.


Free shipping USEP offer’s free shipping on select items not including engines (short blocks, long block, drop in complete) to the lower 48 States. For a destination with free shipping, no other fees related to shipping, handling, or packaging can be charged. Areas outside the lower 48 states will be charges an additional fee based on location.
Freight Shipping USEP offer’s freight shipping on engines including short blocks, long block, and drop in complete

Returns and Cancellations

All engines and cylinder heads are inspected before delivery. However, damage may occur during shipping. We request that customers inspect all engines and cylinder heads at time of delivery.For any Damage/ wrong or missing parts after inspection and signing by the purchaser at the time of delivery. Purchaser refers to any representative of the company designated to sign for delivery. Please make damage claims direct to the US ENGINE PRODUCTION INC for orders shipped via common carrier.

  • All defective products must be returned to US ENGINE PRODUCTION INC (properly supported by completed claim forms and receipts) So We can send out parts or replacement.
  • All returns and cancellations in any case are subject to a 25% restocking fee.
  • All returns are subject to inspection prior to credit being issued!
  • The part (engine)must be unused, in it's original packaging (No seals or packaging can be broken)
  • Shipping and handling fees are not refundable!
  • No returns will be accepted over 30 days from invoice date in any case .
  • Pricing/Specifications : All specifications, availability, and prices listed are based on the latest product information available at the time of publication. The right is reserved to make changes at any time without notice.
CORE RETURN CRITERIA. You must contact our office by phone or E-mail; we will make all of the arrangements for the return of the core. In order to receive a refund of your core deposit. The core must be returned within 30 day's of the purchase date. The engine and all parts must be attached and in reasonable condition. Cores that cannot be remanufactured will not be refunded and may be subjected to additional charges. Note: We recommend you keep all engine installation and service records with this Owner's Manual. You will be required to provide records showing Proof of Maintenance in the event a customer service and/or warranty situation arises.