Quadratec Part #:
32560-03
Crown Automotive Part #:
55035618
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Details
- Shipping Weight: 1lb
- Shipping Dimensions: 11in x 5in x 5in (L x W x H)
Jeep CJ-5
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Jeep Wrangler (YJ)
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Crown Automotive Floor Heater Duct Reviews
Travis S.
8/8/2025
Quick and easy to install. Perfect replacement!
Kevin R.
2/4/2024
Used on my 85' heater box rebuilt. Works well.
Kurt O.
5/11/2023
Replaces damaged OEM duct
Questions
Santiago C.
How do I attach this?

Attaching the Crown Automotive Interior Floor Duct 55035618 is a straightforward DIY task that typically takes less than 5 minutes. This part is designed as a direct-fit replacement to improve airflow to the driver and passenger footwells.
Installation Steps:
Locate the Mounting Point: The duct mounts directly to the bottom left side of the heater case (the large plastic box assembly located under the center of the dashboard).
Position the Duct: Align the duct so that the opening faces toward the floor. In CJ models, this is often a "heater duct conversion" that replaces the original downward-facing outlet to better redirect air toward the occupants rather than the shifter.
Secure with Hardware: The duct is designed to bolt into existing holes on the heater box.
Reuse Factory Hardware: This part is intended to be used with your existing screws or bolts.
No Drilling: The installation requires no drilling or permanent modification to your vehicle.
Check Clearances: Ensure the duct does not interfere with the movement of your gear shifter or transfer case linkage once installed.
Installation Steps:
Locate the Mounting Point: The duct mounts directly to the bottom left side of the heater case (the large plastic box assembly located under the center of the dashboard).
Position the Duct: Align the duct so that the opening faces toward the floor. In CJ models, this is often a "heater duct conversion" that replaces the original downward-facing outlet to better redirect air toward the occupants rather than the shifter.
Secure with Hardware: The duct is designed to bolt into existing holes on the heater box.
Reuse Factory Hardware: This part is intended to be used with your existing screws or bolts.
No Drilling: The installation requires no drilling or permanent modification to your vehicle.
Check Clearances: Ensure the duct does not interfere with the movement of your gear shifter or transfer case linkage once installed.
















