Parts for your 2015 Subaru Forester-Oil filter

2015 Subaru Forester oil-filter — what it does and when to change it

Technical confirmation: The 2015 Subaru Forester is fitted with a replaceable engine oil filter. Subaru’s 2015 Forester (SJ) Owner’s Manual maintenance schedule, the Subaru Service Manual for the SJ series, and the Subaru Genuine Parts Catalogue all specify a spin-on oil filter for the FB and FA petrol engines. So an oil-filter is absolutely relevant and used on this model.

The oil filter in a 2015 Forester quietly handles the messy end of engine protection. As oil circulates through the motor, the filter traps metal particles, carbon, and general grime so the bearings, camshafts, and turbo (on XT models) get clean lubrication. Keep the filter fresh and the oil can do its job—cooling, cleaning, and protecting—without dragging abrasive grit through precision parts.

On most 2015 Foresters, the filter sits right up top at the front of the engine under the bonnet, making changes a bit easier than crawling underneath. When serviced on time, owners get steadier oil pressure, quieter cold starts, and longer engine life. Leave it too long and they may notice oil darkening very quickly after a change, a faint flicker of the oil light at hot idle, or a bit more top-end clatter on start-up—handy hints that the filter’s saturated.

Service timing depends on how and where the vehicle is driven. As a rule of thumb in Australia and New Zealand, aim to replace the oil and filter every 10,000–12,500 kilometres or 6–12 months, whichever comes first—always follow the Forester’s maintenance schedule in the owner’s book. Short trips, dusty roads, towing, or frequent cold starts all justify the shorter end of that range.

• Use a quality OEM or equivalent filter and the correct grade of engine oil.
• Warm the engine briefly, then change the oil and filter together.
• Lightly oil the new filter’s gasket, spin on until the seal touches, then tighten by hand as directed on the filter (usually 3/4 turn).
• Start the engine and check for leaks, recheck level after a few minutes.
• Replace the sump plug washer during each service to prevent weeps.

Done properly, an oil and filter service is quick, tidy, and one of the best ways to keep a Forester feeling strong and dependable for the long haul.

FAQs

How often should the oil filter be changed on a 2015 Subaru Forester?
Most owners should replace the oil and filter every 10,000–12,500 km or 6–12 months, whichever comes first. If the Forester does lots of short trips, towing, or dusty driving, stick to the shorter interval and follow the maintenance schedule in the owner’s manual.

Where is the oil filter on a 2015 Forester?
On most petrol 2015 Foresters, the spin-on oil filter is mounted at the top front of the engine. Pop the bonnet and it’s typically in clear view, making filter swaps straightforward without going under the vehicle.

Can the car be driven with a leaking oil filter?
It’s risky. Even a small leak can quickly drop oil level and pressure, which can damage the engine. If there’s a leak, stop, check the level, and fix the issue before driving—often it’s just a perished gasket, an over-tightened filter, or a sump plug washer that needs replacing.