Factory GM lower air duct and heater plenum assembly, including insulation backing and flexible hose duct. Designed for the passenger-side HVAC system under the dash of 1986–1987 Buick Grand National, Turbo T, and T-Type models.
🔧 Specifications: • Material: Molded ABS plastic with fiber insulation backing • Location: Under-dash passenger area (HVAC air distribution) • Includes flexible air hose, ducting, and attached sound-deadening insulation • Direct fit for G-body Turbo Buick applications
📦 Condition Notes: • All mounting tabs and plastic structure intact • Factory insulation present and securely attached • Minor dust and discoloration from age • Flexible hose in solid condition with no cracks or dry rot
💡 Why You Want It: Essential for proper cabin airflow and heat/AC distribution. Perfect for restoration projects seeking an OEM-correct HVAC setup with original GM insulation intact.
⚠️ All Turbo 6 Parts are sold as-is with no returns, refunds, or exchanges. Buyer is responsible for verifying fitment and compatibility before purchase.
