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Doc’s x Hot Shot’s Transmission Fluid is the ultimate home run for your vehicle’s maintenance

Doc's Diesel 5W-40 Full Synthetic Heavy Duty Diesel Oil is designed for modern diesel engines

Doc’s Diesel Duramax ULV is the trusted choice for rugged reliability and long-haul peace of mind

001 Microns

Off-Road / Agricultural / Equipment: Follow manufacturer guidelines (typically 250 – 500 hours)

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