Product Emphasis: High-durability flexible lower coolant hose designed specifically to return cooled antifreeze mixture from the radiator back to the engine water pump under consistent vacuum pressure.
Original Number: 25412-2W800 / 254122W800.
Dimensions: Engineered to precise factory specs with specialized pre-shaped molding, weighing approximately 1.00 pound (0.57 kg) for exact engine bay routing.
OEM Standard Size: Pure 1:1 original equipment dimensions copying factory inner/outer diameter parameters for a snug, non-restrictive fluid path.
Vehicle Adaptability: Configured explicitly for modern sports utility platforms requiring optimal engine cooling loop setups alongside dual cooling fan structures.
Brand Compatibility: Factory genuine parts standard developed for Hyundai and Kia platforms, serving as a replacement option for designated Toyota and other regional aftermarket vehicle lines.
Years Covered: Tailored across production lifecycles spanning 2013, 2014, 2015, 2016, 2017, 2018, 2019, and matching select extended generations.
Models Covered: Fits the Hyundai Santa Fe series (including SE, GLS, Sport, and Limited Sport Utility variants) and the Hyundai Santa Fe XL series.
Material Composition: Heat-hardened, heavy-duty black EPDM rubber matrix embedded with an internal high-tensile fiber mesh lining.
System Placement: Front engine compartment bay, lower radiator outlet connection leading to the water pump intake.
Engine Fitment Group: Specifically optimized for 3.3 Liter Lambda II V6 gas engine configurations paired with automatic transmissions.
Working Pressure Resistance: Rated comfortably to maintain structural integrity under continuous cooling system pressure cycles.
Fitment Classification: Direct Replacement / Direct Bolt-on installation layout.
Country of Manufacture: Republic of Korea.
3. Product Features
Pre-Shaped Direct Fit: Formed precisely to navigate around headlight assemblies and structural brackets without kinking, squeezing, or touching hot engine blocks.
Anti-Collapse Wall Design: Fortified internal wall construction resists the high suction pressure created by the water pump, preventing the line from flattening out when accelerating.
Advanced Electrochemical Defense: Formulated using premium chemical compounds that reject electrochemical degradation (ECD), stopping early internal cracking and pinhole development.
Extreme Thermal Tolerance: Retains structural elasticity without becoming excessively soft or brittle when exposed to extreme sub-zero weather or scorching radiator fluid cycles.
4. Vehicle Fitment & Year Matrix
Hyundai Santa Fe (3.3L Lambda II V6 / Automatic Transmission — SE, GLS, Limited) — Years: 2013, 2014, 2015, 2016, 2017, 2018
Hyundai Santa Fe XL (3.3L Lambda II V6 / Automatic Transmission — SE, Limited Ultimate) — Years: 2019
Cross-Compatible Utility Platforms (Verify exact regional trim/engine combinations using a direct factory VIN lookup) — Years: 2014, 2015, 2016, 2017
5. Frequently Asked Questions (FAQ)
Q1: Why is it crucial to buy a pre-shaped hose like the 25412-2W800 instead of a standard universal straight hose?
A1: The lower radiator section contains strict layout boundaries near structural framework and cooling components. A universal straight hose will kink when bent, restricting crucial coolant flow and causing immediate engine overheating.
Q2: What are the primary warning signs that this lower radiator hose needs to be replaced?
A2: Watch for visible coolant weeping at the junction clamps, dashboard low fluid warnings, or if the hose feels completely hard or shows visible outer rubber cracks during scheduled engine oil services.
Q3: Can I replace the upper radiator hose and leave the lower 25412-2W800 hose unchanged?
A3: While possible, it is highly recommended to change them together as a set. Both components undergo the exact same age, thermal stress, and chemical wear; if one has reached its wear limit, the other is likely close to failing as well.