Gates Serpentine Belt P/N:DK071135
Made for unique stretch fit drive systems, the Gates Stretch Fit Micro-V Serpentine Drive Belt, part number K030315SF, uses Gates' exclusive self-tensioning technology and is cataloged for the water pump position. It fits many vehicles, among them the 2014-2025 Mazda CX-5, 2019-2022 Mazda 3 Sport and 2024-2025 Mazda CX-90. It is a direct-fit replacement for the listed applications in the water pump belt position. See the Buyer's Guide tab for the full list and engine details.
Single-use only: Stretch Fit belts must be replaced if removed. Plan on a new belt any time this belt comes off.
Signs this belt may need replacing include squealing or chirping, cracked or glazed ribs, pilling and fraying. Inspect the belt and the related pulleys to confirm the cause before replacing.
Interchange: 25-030315SF
25030315SF · 3K315SF · 4030325S · 3PK814EE · 5070840 · E030313 · 315K3S · 4030319S · S030315 · PEES15908 · PY0115908
This part cross-references / interchanges with the following part numbers:
What does the Gates K030315SF belt do?
It is a Stretch Fit Micro-V serpentine drive belt cataloged for the water pump position. It drives that component on stretch fit systems that rely on the belt's own self-tensioning design.
Will this belt fit a 2014-2025 Mazda CX-5?
Yes, the 2014-2025 Mazda CX-5 is among the listed applications. Check the Buyer's Guide tab to confirm your engine and see the full fitment list.
Can a Stretch Fit belt be reused after it is removed?
No. Gates states that Stretch Fit belts are single-use only and must be replaced if removed, so any job that takes this belt off needs a new one.
What is this belt made of?
Gates uses patented EPDM belt ribs that resist contamination, wear and pilling. The advanced polyamide tensile cord is bonded with an adhesive that lets it stretch without losing tension.
What are signs this drive belt may need replacing?
Common signs are squealing or chirping, cracked or glazed ribs, pilling and fraying. Diagnose the cause first, because pulleys or the driven component can also make noise.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.