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USDIESEL specializes in aftermarket replacement parts for the leading diesel fuel injection systems such as Bosch, Stanadyne, Delphi, Denso, CAV, Ambac, Zexel, Cummins, and Caterpillar. We’re an authorized distributor for SPACO, a premier manufacturer of aftermarket replacements parts for diesel fuel injection pumps and injectors. Pump gaskets, service kits, nozzles, elements, solenoid valves, metering valves, liners, diaphragms, and lever springs are just some of the parts in our extensive product offering of replacement parts for all types of diesel fuel injection pumps and injectors. Quality parts at a discount to OEM pricing is why our customers have trusted us as their partner for diesel fuel injection parts for over 30 years. When aftermarket isn’t an option for our customers, we also provide OEM parts for the leading brand names. If you’d like to learn more about our parts, receive a quote, or place an order, please contact us by phone or email.