2007.5-2023 Duramax Heat Shield Battery Top Post (1490021XX)

This battery heat shield is a device that helps protect your battery from extreme temperatures. This heat shield is like a cool jacket for your battery, keeping it chill in the heat and cozy in the cold. Plus, it's designed to prevent overheating and prolong the life of your battery.

Fits group 34, 40R, 41, 47, 48, 50, 53, 58, 59, 78, 90, 91, 98R batteries, which are equivalent to batteries with 33’’ - 38.25’’ circumference. 

Full dimensions (LxWxH): 38.5” x 6.25” x 0.5”

Part Number: 1490021XX

• Non-conductive, heat-reflective outer layer
• Padded, insulated liner surrounds battery
• Heavy-duty stitching
• Wide hook-and-loop fastening panels
• Fits most top terminal batteries
  

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