Dorman 47994CD HVAC Heater Hose Fitting - Inlet

Dorman HVAC Heater Hose Fitting 47994CD

Dorman 47994CD is a specific-fit HVAC heater hose fitting for vehicles equipped with rear auxiliary A/C. This nylon, black 3-way elbow uses hose barb ends and a 90-degree layout to match the stock hose fitting on supported applications, helping maintain secure coolant flow at the heater circuit connection.

• Specific-fit HVAC heater hose fitting for selected GM minivan applications
• Nylon construction with a black finish
• 3-way elbow design with 90-degree routing
• Hose barb ends for heater hose attachment
• Engineered for leak-free service in extreme temperature conditions
• Direct replacement for OE part number 10436543

Detailed Product Overview

This Dorman HVAC heater hose fitting is built for the inlet position on supported Chevrolet Uplander, Pontiac Montana, Buick Terraza, Saturn Relay, and Oldsmobile Silhouette models with rear auxiliary A/C. The part number 47994CD is designed to match the original fit and durability of the factory fitting, making it a direct replacement for the heater hose connection used in these applications. Its irregular 3-way elbow shape and barb-style ends support proper hose routing where space and angle matter.

This part cross-references OE number 10436543 for the same application. For buyers searching for a heater hose fitting for 2005-2009 Chevrolet Uplander inlet, 2000-2009 Pontiac Montana inlet, or 2005-2007 Buick Terraza inlet, 47994CD is the correct style of replacement to verify against the vehicle’s rear auxiliary A/C configuration.

Vehicle Fitment

• Fits 2005-2009 Chevrolet Uplander, inlet, w/Rear Auxiliary A/C; Packaging Type: Clamshell
• Fits 2000-2009 Pontiac Montana, inlet, w/Rear Auxiliary A/C; Packaging Type: Clamshell
• Fits 2005-2007 Buick Terraza, inlet, w/Rear Auxiliary A/C; Packaging Type: Clamshell
• Fits 2005-2007 Saturn Relay, inlet, w/Rear Auxiliary A/C; Packaging Type: Clamshell
• Fits 2000-2004 Oldsmobile Silhouette, inlet, w/Rear Auxiliary A/C; Packaging Type: Clamshell

Common Repair Uses

• Cracked or brittle heater hose fitting at the inlet connection
• Coolant seepage at a worn barb-style hose junction
• Damaged nylon fitting from heat cycling or age
• Improper hose routing caused by a broken 90-degree elbow
• Replacement of an OE-style HVAC heater hose connector on rear auxiliary A/C vehicles

Installation Notes

Verify the inlet position, rear auxiliary A/C configuration, and hose diameter before installation. Match the barb ends to the existing heater hoses and confirm the routing angle aligns with the original layout on the Chevrolet Uplander, Pontiac Montana, Buick Terraza, Saturn Relay, or Oldsmobile Silhouette application. Inspect adjacent hoses and clamps for wear before reassembly.

Quality Assurance

Dorman designs this replacement fitting to match the fit and durability of the stock part and to withstand extreme temperatures for leak-free service in the specified vehicles.