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Vehicle Info Needed3963756 1970-72 Chevelle, Defroster Vent Duct Assembly
Ships on 09/29/2026
Lowest Price Guarantee- 1970-72 Chevelle; Defroster Vent Duct Assembly
OER 3963756 Features:
Reproduction of the original defroster duct designed for use on 1970-72 Chevelle models. Each defroster vent assembly is manufactured to OE specifications and replaces the old or damaged original exactly. This is the duct that mounts up against the firewall, inside the car and sits on top of the heater box to allow air to travel through the dashboard to the windshield. Applications with or without air conditioning. Additional Information Note Replaces General Motors Part# 3963756. For Applications with or Air Conditioning. Replaces General Motors Part# 3963756. For Applications with or Air Conditioning.
Perfect Fitment For Quick and Simple Replacement
OER Dash Vent Assemblies for early GM models are made from original OE materials with the proper grain on the housing face for a stock appearance & perfect fit. OER's air conditioning vent assembly design includes the ventilation duct open-and-shut levers that have been discontinued by GM. Defroster vent assemblies are designed for use in vehicles with or without air conditioning.
