Product Emphasis: High-precision automotive climate control component designed to transfer thermal energy via heated coolant from the engine to the vehicle's interior heater core cabin system.
Original Number: 97311-D8200 / 97311D8200.
Dimensions: Pre-shaped structural routing profile specifically molded to clear intake and exhaust components, weighing approximately 0.65 pounds.
OEM Standard Size: Pure 1:1 original factory dimension replication ensuring seamless port-to-port connections without modifying surrounding brackets.
Vehicle Adaptability: Engineered specifically for internal combustion and multi-port injection passenger platforms requiring steady cabin temperature regulation.
Brand Compatibility: Developed under strict factory criteria for Hyundai and Kia core model lines, while integrating as a premium aftermarket solution across specific regional replacement applications.
Years Covered: Tailored to fit vehicle lifecycles spanning from 2018 through 2024 production years.
Models Covered: Compatible with prominent mid-size crossovers, compact utility platforms, and select regional sedan platforms utilizing standard non-hybrid and direct-injection gas layouts.
Product Name: Hose Assembly - Water Inlet (HVAC Heater Hose).
Material Matrix: Reinforced heat-vulcanized EPDM rubber matrix backed by a multi-layer high-tensile interior synthetic fiber braid.
System Placement: Front engine compartment bay, routing fluid directly into the HVAC firewall heater core inlet assembly.
Operational Temperature Range: Continuous structural integrity sustained from -40°F up to 275°F (-40°C to 135°C).
Max Structural Working Pressure: Comfortably handles thermal expansion cycles up to 65 PSI without swelling or losing seal tension.
Fitment Classification: Direct Drop-in Bolt-on Replacement.
Exterior Finish: Smooth matte black rubber shielding treated with high-visibility directional factory markers.
3. Product Features
Exact Factory Routing: Built to replicate the original part geometry perfectly, preventing the hose from rubbing against abrasive chassis surfaces or touching high-heat exhaust shields.
Electrochemical Wear Resistance: Specially treated chemical rubber composition eliminates internal degradation caused by electrical voltage loops flowing through the engine cooling fluid.
Airtight Vacuum Seals: Features high-precision inner port tolerances that tightly clamp over aluminum coolant pipes, mitigating slow drip fluid leakage and sudden vacuum loss.
Anti-Aging Formulation: Advanced EPDM compound heavily resists structural softening, hardening, or localized wall thinning even after years of continuous exposure to hot glycol mixtures.
Kia Cross-Compatible Series (Select Sedan & Crossover Trims) — Years: 2019, 2020, 2021, 2022, 2023, 2024
Alternative Replacement Lines (Confirm specific sub-trim applications by checking the local vehicle dealer parts catalog via standard VIN verification) — Years: 2020, 2021, 2022, 2023
5. Frequently Asked Questions (FAQ)
Q1: What is the main difference between an HVAC heater water inlet hose like the 97311-D8200 and a standard radiator hose?
A1: While both transport engine coolant, a radiator hose connects to the front radiator core to cool down the engine block. The 97311-D8200 water inlet hose is part of the interior HVAC system, channeling that warmth toward your dashboard heater core to warm the air blowing inside your vehicle cabin.
Q2: What are the primary warning signs that this heater water inlet hose assembly has failed or needs immediate replacement?
A2: Warning signs include a sweet, noticeable syrup-like odor coming through your cabin vents, a loss of heating performance when turning on the car heater, low coolant level alerts on your dashboard, or visible wet residue marks at the firewall connection points.
Q3: Can I cut a generic straight heater hose to replace the 97311-D8200 component?
A3: This is strongly discouraged. The 97311-D8200 features factory-engineered sharp bends that allow it to safely navigate the tight engine compartment behind the motor blocks. A generic straight hose will kink when forced into these angles, completely stopping coolant flow and causing localized engine hot spots.