2025 Mazda CX-9
Maintenance & specsVERIFIED Oct 29, 2026
The 2025 Mazda CX-9 takes 5W-30 Full Synthetic with a total capacity of 4.8 quarts (filter included). You’ll need a 17mm socket for the drain plug, torqued to 38 Nm. The OEM oil filter is the Mazda PY8W-14-302. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
⚑ QUICK DIY TIPS FOR THE 2025 MAZDA CX-9
- Torque your drain plug to 38 Nm (28 ft-lbs) to avoid leaks or stripped threads.
- Using the OEM filter (Mazda PY8W-14-302) is recommended for warranty compliance.
- Always use 5W-30 Full Synthetic as specified by Mazda — using the wrong viscosity can void your powertrain warranty.
- Check the maintenance schedule below for your next service interval.
01
Oil & Filter
OilBuy
Viscosity5W-30
Oil typeFull Synthetic
Capacity (with filter)4.8 qt
Capacity (w/o filter)4.4 qt
Filter Options
MazdaPY8W-14-302OEM
BuyMazda OEM spin-on PY8W-14-302: Skyactiv-G 2.5 / 2.5T (interchangeable with PE01-14-302)
Drain Bolt & Hardware
Socket size17 mm
Torque spec38 Nm
GasketCrush washer (aluminum)
02
Fluid Specifications
Transmission FluidBuy
TypeMazda ATF FZ
Capacity3.7 qt
Change interval60,000 mi
Brake FluidBuy
DOT typeDOT 3
Change interval45,000 mi
CoolantBuy
TypeFL22
ColorGreen
Capacity6 qt
Change interval120,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
Differential Fluid (rear)Buy
Type75W-90 GL-5
Capacity2 qt
Change interval60,000 mi
03
Parts & Specifications
Tires
Size245/60R18
Front pressure33 PSI
Rear pressure33 PSI
04
Maintenance Schedule
≈ every 6 months
- ▸Change Engine Oil & Filter
05
Torque Specifications
Estimated Current Value
Original MSRP
$30,000
Private Party
$23,085–$25,515
Dealer Retail
$26,730–$30,375
Trade-In
$20,655–$23,085
Depreciation
19%
Estimated values assume average condition and mileage for vehicle age.
Source: estimated
Save by doing it yourself
A shop typically charges $70–$140 for this service. Buy the parts and save.
08
Tools & Supplies
Shop parts for the Mazda CX-9
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