- grass heat shield
- A metal shield fitted underneath a catalytic converter to reduce the risk of its heat starting an accidental grass fire
Dictionary of automotive terms. 2015.
grass heat shield
Look at other dictionaries:
heat shield — A sheet metal part, usually reflective, often asbestos lined. It protects heat sensitive components from heat radiation of the exhaust system. Also called heat shroud. Also see grass heat shield … Dictionary of automotive terms
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