Jasper Engines & Transmissions has added the GM Vortec 3700 (3.7L 5-cyl.) is available on exchange for the following vehicles: 2007-2010 Hummer H3; 2007-08 Isuzu i-3700; 2007-2012 Chevy Colorado; and the 2007-2012 GMC Canyon. Every Jasper remanufactured engine is subjected to strict, high-quality processes, including disassembly, meticulous inspection and cleaning of components. Moving parts are machined or replaced for reliable performance and head surfaces are statistically monitored to assure proper sealing with the block. Each engine is covered by JASPER’s 3-year/100,000-mile nationwide transferable parts and labor warranty.