Yes, the Stanadyne Diesel Fuel Additive does lubricate the injection pump. It contains lubricity improvers that help protect and restore lubricity to ultra-low sulfur and other low lubricity diesel fuels. This helps reduce wear on the injection pump and other components.
Stanadyne Diesel Fuel Additive - 0.5 Gal., Increases Horsepower, Reduces Fuel Consumption, Model# 38566

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- Offers both cold weather and hot weather protection
- Increases horsepower with up to 5-point cetane gain
- Reduces fuel consumption
- Aides in easier and faster starting
- Reduces smoke and particulate emissions
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