Products Power Upgrades Steinbauer At Diesel Pumps, we upgrade with the Steinbauer, the finest diesel power module. Steinbauer is a performance enhancer for your passenger vehicle, 4×4, bus, truck, tractor, or motorhome. We use the Steinbauer Power Module for safe accurate upgrading of the latest electronically controlled diesel engines. Often this results in fuel economy gains in commercial truck and … Continue reading Products