All injectors are sold with a limited time core exchange policy, which means you must return your used injectors (cores) to us within ninety (90) days of the delivery date to receive your full core charge back.

Core Exchange Chargeback Policy

  • Cores returned within 90 days of the delivery date will receive a full core charge back.
  • Cores returned between 91-160 days will receive only 50% of the core charge back.
  • No core refunds will be issued after 161 days.
  • Refunds are normally made within 4 days of receiving cores.

Core Return Instructions

Upon removing your old injectors, wrap them in plastic to ensure that fumes are not present, place them in the injector boxes that they came in, and send them to:

Lincoln Diesel Specialties
N807 County Road E
Redgranite, WI 54970

Core return costs are the consumers responsibility. Please include your name and address in the box to verify where to send the refund to.

NOTE: All injectors that are individually boxed must be returned in the original OEM boxes.