Dorman 47212 HVAC Heater Hose Fitting

Dorman 47212 HVAC Heater Hose Fitting

Dorman 47212 is a metal HVAC heater hose fitting made for specific vehicle applications that need a direct replacement for the stock heater hose connection. It uses a 90-degree layout with a barb end and a male O-ring end to help maintain a secure, leak-resistant seal in the heater circuit.

Compatible With 1995-1999 Buick Park Avenue, Buick LeSabre, Pontiac Bonneville, Oldsmobile 88, and Oldsmobile 98 applications where the heater outlet or inlet/outlet pipe adapter is specified. This Dorman 47212 heater hose fitting is built for vehicles that require the correct OE-style shape and connection style.

Key Features

• Metal construction for durability in high-temperature HVAC service
• 90-degree fitting angle for the specified heater hose routing
• Barb end and male O-ring end for the listed vehicle applications
• Specific fit design for direct replacement use
• Matches the stock-style heater hose fitting form and function
• Cross-reference: GM 12570305 for the same application

Detailed Description

This HVAC heater hose fitting is engineered for vehicles that use a molded adapter at the heater outlet pipe or heater inlet and outlet pipe connection. The metal body is selected for temperature exposure in the cooling and heating system, while the OE-style geometry helps maintain proper hose alignment and sealing. Dorman 47212 is a practical replacement for service work on Buick LeSabre, Buick Park Avenue, Pontiac Bonneville, Oldsmobile 88, and Oldsmobile 98 models listed in the fitment data.

Use this part when the original heater hose fitting is damaged, corroded, leaking, or no longer sealing correctly. The part number 47212 is also a useful reference when searching for a direct-fit HVAC heater hose fitting for these GM applications.

What It Helps Fix

• Coolant seepage at the heater hose connection
• Cracked or corroded heater outlet pipe adapter
• Poor sealing at the male O-ring connection
• Improper hose routing caused by a damaged 90-degree fitting
• Loss of heater performance from a leaking HVAC hose joint

Installation Notes and Tips

Verify the vehicle year, make, model, and heater pipe configuration before installation. Match the barb size and O-ring connection style to the original part, and inspect the mating hose and sealing surfaces for wear or damage before assembly. This fitting is listed for specific applications only, so confirm fitment for your Buick LeSabre, Pontiac Bonneville, or Oldsmobile 88/98 before ordering.

Quality Assurance

Dorman designs replacement hardware to match the fit and durability of the original component for the specified vehicles. This part number 47212 is built for dependable service in the HVAC heater hose system and is backed by Dorman’s product engineering standards.