Gates 12189 HVAC Heater Hose - Reservoir (Lower)

Reliable HVAC Heater Hose for Dodge and Mercedes-Benz Sprinter Models

The Gates Molded Heater Hose 12189 is engineered to provide durable and precise fitment for HVAC systems in Dodge and Mercedes-Benz Sprinter vehicles. Designed with quality EPDM material, this molded heater hose ensures consistent performance and longevity in demanding automotive environments.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and secure connections
• End 1 inside diameter: 0.75 inches (19 mm)
• End 2 inside diameter: 0.91 inches (23 mm)
• Centerline length: 10.19 inches (259 mm)
• Compatible with Dodge and Mercedes-Benz Sprinter, Sprinter 2500, and Sprinter 3500 models

About the Gates Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on precision-engineered hoses designed to meet specific OEM specifications. These hoses are molded to exact dimensions, ensuring a reliable seal and fit within HVAC systems. The molded construction reduces the risk of leaks and improves durability compared to generic hoses, making it suitable for professional repairs and maintenance on Sprinter vehicles.

Detailed Product Description

This HVAC heater hose, part number 12189, is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The molded design provides a precise fit with two different inside diameters—0.75 inches (19 mm) on one end and 0.91 inches (23 mm) on the other—allowing it to connect seamlessly within the HVAC system. With a centerline length of 10.19 inches (259 mm), this hose is tailored for the HVAC heater core connections in Dodge and Mercedes-Benz Sprinter models, including the Sprinter 2500 and Sprinter 3500 variants.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in HVAC systems
• Resolving coolant leaks affecting heater core performance
• Restoring proper coolant flow to maintain cabin heating efficiency
• Preventing overheating issues related to faulty heater hoses
• Ensuring secure connections in HVAC plumbing for Sprinter vehicles

Installation Notes and Tips

When installing the Gates Molded Heater Hose 12189, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation matches the molded shape for proper fitment. Use appropriate clamps to secure each end, matching the specified inside diameters of 0.75 inches and 0.91 inches. Inspect surrounding components for wear or damage during replacement to maintain system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 12189 to meet stringent quality standards, using durable EPDM material and precise molding techniques. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to official Gates documentation for exact warranty terms.