Your Mazda CX-5 Oil Filter: Part Number, Change Interval, and Why OEM Matters
Your Mazda CX-5 Oil Filter: Part Number, Change Interval, and Why OEM Matters
If you own a Mazda CX-5, you already know when your oil is due. What most people don't think about is the filter — specifically whether the one they're putting in actually meets the standards Mazda built the engine around.
This guide covers everything: the right part number, how often to swap it, and why it's worth spending a few extra dollars to get the genuine article.
How often should you change the oil filter on a Mazda CX-5?
Every single oil change — not every other one, not when it looks dirty. Oil and filter go together, every time.
Mazda's official maintenance schedule for the CX-5 calls for oil changes every 7,500 miles under normal driving conditions, or every 5,000 miles if your driving includes a lot of short trips, extended idling, cold starts, or towing. Either interval means a new filter.
The reason is straightforward: changing your oil and reusing the old filter means pumping fresh oil directly through whatever the last filter collected. You've eliminated the dirty oil but kept the dirty filter. That's not an oil change — it's half of one.
Which oil filter does a Mazda CX-5 use?
The OEM oil filter for the Mazda CX-5 is Part # PE01-14-302 (also listed as 1WPE-14-302). This filter fits all CX-5 model years from 2013 through 2025 equipped with the 2.5L SKYACTIV engine — which is the engine in the vast majority of CX-5s on the road.
It also crosses over to a number of other SKYACTIV-powered Mazdas, including the Mazda3, CX-30, CX-50, and CX-90. If you're not 100% certain it fits your specific trim and model year, entering your VIN at checkout will confirm fitment before anything ships.
Does it matter if you use an aftermarket oil filter on a Mazda CX-5?
The honest answer is yes — more than most people realize.
The SKYACTIV engine runs tighter internal tolerances than older engine designs, which means it's more sensitive to oil quality and filtration than a typical engine from ten or fifteen years ago. Aftermarket filters vary widely in construction. Some use thinner filter media that allows smaller particles to pass through. Some have bypass valves with incorrect pressure ratings, which means they open too early and let unfiltered oil circulate. The most common failure point is the anti-drain back valve — a small rubber flap that keeps oil in the filter between starts so you're not running dry for the first few seconds of every cold start. Cheap filters cut corners here.
The OEM Mazda filter is built to the exact flow rate, bypass valve pressure, and anti-drain back valve specifications that the SKYACTIV engine was designed around. And the price difference between it and a decent aftermarket alternative is usually a few dollars at most. It's not a meaningful place to save money.
What happens if you don't change the oil filter?
A clogged filter forces oil to bypass filtration entirely through the bypass valve — meaning the oil circulating through your engine is completely unfiltered. You won't notice it immediately, but over time it accelerates wear on bearings, camshafts, and cylinder walls. The damage is slow and cumulative, and by the time it shows up in the form of engine noise or oil consumption, it's expensive to address.
Changing your filter at every oil change is the cheapest engine insurance there is.
Where to buy a genuine OEM Mazda CX-5 oil filter
MazdaPartDirect.com is owned and operated by Seacoast Mazda, an authorized Mazda dealer in Portsmouth, NH. Part # PE01-14-302 is in stock and ships fast, at up to 33% off MSRP with a VIN fitment guarantee. You're getting the same filter Mazda installs at its own service centers, not a substitute.