GATES 18503
GATES part number 18503 is a heater hose in the Heat & Air Conditioning system. This catalog matches it to 8 year-and-engine configurations from 2005 to 2025.
Verified fitment includes 2025 Ford Explorer 2.3L L4 Turbocharged ; 2025 Ford Explorer 3.0L V6 Turbocharged ; 2025 Ford Explorer 3.3L V6 ; 2024 Ford Explorer 2.3L L4 Turbocharged ; 2024 Ford Explorer 3.0L V6 Turbocharged , plus 3 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is GATES 18503?
GATES part number 18503 is a heater hose with published application data for 8 vehicle configurations from 2005 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does GATES 18503 fit?
This catalog matches 18503 to 8 year-and-engine configurations from 2005 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is GATES 18503 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. GATES 18503 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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