What type of oil does a 2009 Acura MDX take?

The 2009 Acura MDX uses 5W-20 Full Synthetic.

How many quarts of oil does a 2009 Acura MDX need?

The 2009 Acura MDX takes 4.5 quarts with a new filter (4.2 qt without filter).

What size is the drain plug on a 2009 Acura MDX?

The 2009 Acura MDX drain plug uses a 17mm socket, thread size M14x1.5, torqued to 39 Nm.

What oil filter does a 2009 Acura MDX use?

The 2009 Acura MDX uses OEM filter Honda 15400-PLM-A02 (plus 3 compatible alternatives).

2009 Acura MDX

Name: 2009 Acura MDX maintenance specs
Brand: Acura

Maintenance & specsVERIFIED Jun 15, 2026

Engine Oil

5W-20

Full Synthetic

OEM spec · API SNBuy oil

Capacity

4.5qt

with filter

4.2 qt without filter

Oil Filter

15400-PLM-A02

Honda (OEM)

Buy filter

OEM spec: API SN

The 2009 Acura MDX takes 5W-20 Full Synthetic with a total capacity of 4.5 quarts (filter included). You’ll need a 17mm socket for the drain plug, torqued to 39 Nm. The OEM oil filter is the Honda 15400-PLM-A02, with 3 compatible alternatives listed below. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.

⚑ QUICK DIY TIPS FOR THE 2009 ACURA MDX

Torque your drain plug to 39 Nm (29 ft-lbs) to avoid leaks or stripped threads.
Using the OEM filter (Honda 15400-PLM-A02) is recommended for warranty compliance.
Always use 5W-20 Full Synthetic as specified by Acura — using the wrong viscosity can void your powertrain warranty.
Check the maintenance schedule below for your next service interval.

Oil & Filter

OilBuy

Viscosity5W-20

Oil typeFull Synthetic

Capacity (with filter)4.5 qt

Capacity (w/o filter)4.2 qt

OEM specAPI SN

Filter Options

Bosch3323

2009 Acura MDX

Oil & Filter

Fluid Specifications

Parts & Specifications

Maintenance Schedule

Torque Specifications

Technical Service Bulletins

Estimated Current Value

Tools & Supplies