Gates 19063 HVAC Heater Hose - Heater To Intake Manifold

Gates 19063 Molded Heater Hose Overview

Gates 19063 is a molded HVAC heater hose built in an OEM-style shape for tighter engine compartments. It is made from EPDM and is approved for coolant, water, air, and marine applications.

Compatible with 2000-2002 Mercury Cougar heater to intake manifold routing, this molded heater hose supports a precise factory-style fit where a straight hose is not appropriate. The Gates Molded Heater Hose line focuses on formed replacement hoses for modern engine layouts.

Key Features

• Brand: Gates
• Part number: 19063
• Product line: Molded Heater Hose
• Material: EPDM
• Molded, factory-shaped construction
• End inside diameters: 0.6 in (15 mm) and 0.69 in (18 mm)
• Centerline length: 19.3 in (490 mm)
• Approved for coolant, water, air, and marine use

Detailed Description

Gates 19063 is a molded coolant hose formed to match OEM routing in compact engine bays. Its EPDM construction helps it serve as a replacement for heater and coolant transfer paths where the hose must follow a specific bend and maintain a stable fit. For 2000-2002 Mercury Cougar models, this hose is listed for the heater to intake manifold position, making it a direct match for that application. The part number 19063 is also referenced in interchange listings for related replacement sourcing.

This Gates molded heater hose is a practical choice when replacing a worn or leaking heater hose on a Mercury Cougar and when the original routing requires a pre-formed shape. The Gates 19063 designation is useful when cross-checking catalog listings, service records, or OE-style replacement references.

Common Problems It Can Help Address

• Coolant seepage from an aged heater hose
• Cracking or hardening from heat cycling
• Poor hose routing in tight engine compartments
• Incorrect fit from a universal straight hose
• Restricted heater circuit flow caused by a damaged hose

Installation Notes and Tips

• Verify the hose routing against the original heater-to-intake-manifold path before installation.
• Confirm the end diameters and centerline length match the vehicle connection points.
• Inspect adjoining clamps, fittings, and mating surfaces for wear before reassembly.
• Drain and refill coolant according to the vehicle service procedure after replacement.

Quality Assurance

Gates is known for producing molded replacement hoses that follow OEM-style dimensions and routing. Part number 19063 is built as a formed heater hose for the listed Mercury Cougar applications and related interchange references.