Engine Block Heater for your 2002 Chevrolet Trailblazer: Don`t strain your battery on cold days. Instead, heat up your engine before you even start your vehicle. Just attach this non-corrosive heater to the engine and plug it into a standard outlet. 6-cyl. (4.2L) List Price: $45.00 | Your Price $37.13 Add To Cart
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