DB Electrical SDR0375 Starter For 2.9 2.9L 3.7 3.7L Chevrolet Colorado & GMC Canyon 08 09 10 11 12/4.2 4.2L Trailblazer & Envoy 08 09/3.7 Hummer H3 (09-10)/4.2 Isuzu Ascender 08/ I-290 (2008) 100% New aftermarket unit built to meet OEM specifications 1-year warranty protects you after your purchase Factory direct pricing with no middleman markup delivers exceptional value