---
product_id: 103400030
title: "2\" Inner Diameter Duct Hose AC Heater Defrost, 6 Feet Cloth, Air Conditioning #91-51C"
brand: "old air products"
price: "S$168"
currency: SGD
in_stock: true
reviews_count: 3
category: "Old Air Products"
url: https://www.desertcart.sg/products/103400030-2-inner-diameter-duct-hose-ac-heater-defrost-6-feet
store_origin: SG
region: Singapore
---

# 6 feet flexible length, compresses to 8 inches Durable cloth material, rip-resistant 2" Inner Diameter Duct Hose AC Heater Defrost, 6 Feet Cloth, Air Conditioning #91-51C

**Brand:** old air products
**Price:** S$168
**Availability:** ✅ In Stock

## Summary

> 🔥 Keep your vintage ride cool & defrosted with precision & durability! 🛠️

## Quick Answers

- **What is this?** 2" Inner Diameter Duct Hose AC Heater Defrost, 6 Feet Cloth, Air Conditioning #91-51C by old air products
- **How much does it cost?** S$168 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/103400030-2-inner-diameter-duct-hose-ac-heater-defrost-6-feet)

## Best For

- old air products enthusiasts

## Why This Product

- Trusted old air products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unmatched Durability:** Crafted from rip-resistant cloth for long-lasting performance even in demanding automotive environments.
- • **Flexible & Lightweight Design:** Easily routes through tight spaces with a 6-foot stretch length that compresses to just 8 inches.
- • **Perfect Upgrade for Classic Cars:** Ideal replacement for deteriorated hoses in Chevy, GM, Chrysler, Dodge, and other vintage vehicles.
- • **Made in the USA with Trusted Legacy:** Old Air Products, a leader since 1989, guarantees quality and expert customer support.
- • **Precision Fit for Vintage & Modern Rides:** 2-inch inner diameter ensures seamless integration with aftermarket A/C and heater defrost units.

## Overview

This 2-inch inner diameter cloth duct hose stretches up to 6 feet and compresses to 8 inches, designed specifically for aftermarket A/C and heater defrost systems in classic and custom vehicles. Made in the USA by Old Air Products, it offers exceptional durability, flexibility, and a perfect fit for Chevy, GM, Chrysler, Dodge, and more. Lightweight and rip-resistant, it’s the go-to upgrade for vintage automotive HVAC restoration.

## Description

2 Inch Inner Diameter Duct Hose AC Heater Defrost, 6 Feet Cloth, Air Conditioning #91-51C When fully stretched is 6 foot and compresses to 8". All duct hose measurements are ID (inner diameter). Please measure to make sure you order the correct size. See Also Our Plastic Version for Vintage Vehicles # 91-51P. Excellent for use with aftermarket A/C and Heater Defrost units and replacing old deteriorated cloth duct hose in Chevy, GM, Chrysler, Dodge and Other Vehicles. Light weight and extremely flexible, easy to route. Does not rip easily. Not suitable for radiators, vacuum cleaners or medical equipment. Made in the USA!!! Old Air Products has been in business since 1989. We strive to provide quality parts and unsurpassed customer service. Our company specializes in complete aftermarket A/C and Heater Systems and Factory Replacement A/C & Heater Parts for Antique, Classic, and Custom Vehicles. We have many NOS & NORS parts in stock including Heater Valves, Receiver/Driers, Cables, update kits for STV & POA Valves, A/C Hose Assemblies, Vacuum Valves and Electrical Switches. If you have any questions about this item please contact our sales/technical support department or for our other A/C & Heater systems and parts available for antique and classic vehicles.

Review: Great product - Perfect for vintage automotive heaters.
Review: Very good service thanks at all - I use this product for my old car i'm happy i's disponible

## Features

- Very durable and long lasting

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079XRLXCJ |
| Best Sellers Rank | #2,124,583 in Automotive ( See Top 100 in Automotive ) #1,895 in Automotive Replacement Heater Hoses #35,275 in Automotive Replacement Air Conditioning Products |
| Brand | Old Air Products |
| Brand Name | Old Air Products |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 11 Reviews |
| Included Components | Cloth Duct Hose |
| Item Dimensions L x W | 72"L x 2"W |
| Item Length | 72 Inches |
| Item Weight | 3 Pounds |
| Manufacturer | Old Air Products |
| Material | Cloth |
| Material Type | Cloth |
| Product Dimensions | 72"L x 2"W |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Old Air Products
- **Material:** Cloth
- **Color:** Black
- **Product Dimensions:** 72"L x 2"W
- **Item Weight:** 3 Pounds
- **Item Length:** 72 Inches
- **Manufacturer:** Old Air Products

## Images

![2" Inner Diameter Duct Hose AC Heater Defrost, 6 Feet Cloth, Air Conditioning #91-51C - Image 1](https://m.media-amazon.com/images/I/71jc9E9U0lL.jpg)
![2" Inner Diameter Duct Hose AC Heater Defrost, 6 Feet Cloth, Air Conditioning #91-51C - Image 2](https://m.media-amazon.com/images/I/91I8y5vF7-L.jpg)
![2" Inner Diameter Duct Hose AC Heater Defrost, 6 Feet Cloth, Air Conditioning #91-51C - Image 3](https://m.media-amazon.com/images/I/51dK3YjdwYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by G***. on July 10, 2024*

Perfect for vintage automotive heaters.

### ⭐⭐⭐⭐⭐ Very good service thanks at all
*by C***Y on December 23, 2023*

I use this product for my old car i'm happy i's disponible

### ⭐⭐⭐⭐ Better than original equipment.
*by J***H on November 3, 2021*

No problem to install in a jeep j10 duct system. This vent pipe fits the inside diameter...not the outside. If you want the duct pipe to work on the iutside...go for 2 1/4 inch.

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**Shop now:** [https://www.desertcart.sg/products/103400030-2-inner-diameter-duct-hose-ac-heater-defrost-6-feet](https://www.desertcart.sg/products/103400030-2-inner-diameter-duct-hose-ac-heater-defrost-6-feet)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-03*