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Yanmar 2QM15 Oil & Filter Change

Fresh oil and a new filter are the cheapest insurance for your Yanmar 2QM15. Below is the oil filter we recommend, which 2QM15 variants it fits, a step-by-step video of the full oil change, and what else you need for the job.

✓ Recommended for the Yanmar 2QM15
Sierra 18-7910-1 — Diesel Oil Filter
Fits the 2QM15.

Check today’s price on Amazon →

✓ Fitment cross-referenced from OEM catalogs · ✓ Step-by-step video above · ✓ Fast Amazon shipping & easy returns — verify your model code before ordering

Watch: how to do it (step by step)

How to replace the oil filter on a Yanmar 2QM15

Oil and filter change on marine diesel Yanmar 2QM15

Tools Needed

  • Oil filter wrench
  • Milk bottle (cut to fit as a drip tray)
  • Syringe for oil removal
  • Container for collecting oil

Safety

  • Ensure the engine is warm before starting the oil change process.
  • Be cautious when handling oil to avoid spills and contamination.

Steps

  1. Check the oil level, consistency, smell, and color to ensure it's within acceptable parameters.
  2. If the oil level is high, plan to perform a full oil change and be mindful of the appropriate amount when refilling.
  3. Warm the engine for 5-10 minutes to facilitate easier oil removal.
  4. Place the cut milk bottle under the oil filter to catch any leaks.
  5. Use the syringe to remove the oil through the dipstick tube, measuring the amount removed.
  6. Collect the removed oil in a container to log the amount and monitor any changes in texture over time.
  7. Replace the oil filter, ensuring the O-ring is properly lubricated to prevent leaks.
  8. Refill the engine with the appropriate amount of oil, monitoring the level closely.

Tips

  • Keep a log of oil behavior, including texture, color, and smell, to monitor the engine's health over time.
  • Use a guidebook, such as those by Dennis and Berwick, to assist with the oil change process and record maintenance activities.

Which part do I need for my Yanmar 2QM15?

For most 2QM15 owners the part above (18-7910-1) is the right choice. Price tip: the aftermarket numbers are usually noticeably cheaper than the OEM-branded box — it is the same physical part. If you need an exact match, these compatible part numbers also fit:

Show all compatible part numbers (6)
Part number Description Fits
119305-35151 Yanmar, Oil Filter, 119305-35151 2QM15 Find on Amazon →
119305-35170 Yanmar, Oil Filter, 119305-35170 2QM15 Find on Amazon →
119660-35150 Yanmar, Oil Filter, 119660-35150 2QM15 Find on Amazon →
18-7917 OIL FILTER 2QM15 Find on Amazon →
30220 Oil filter 2QM15 Find on Amazon →
YAN119305-35170 Yanmar Oil Filter 2QM15 Find on Amazon →

Many of these are the same physical part under different brand numbers. Build years are shown where our parts data has them. Where a variant has no years, only the model code is listed. Confirm against your engine plate before ordering.

Frequently asked questions

What oil filter fits a Yanmar 2QM15?

The Yanmar 2QM15 uses the oil filter sold as Sierra 18-7910-1, plus its OEM and aftermarket cross-references (6 compatible numbers are listed above). Confirm the number against your engine's model code and year plate before ordering.

How often should I replace the oil filter on a Yanmar 2QM15?

Change the oil and filter every 100 running hours or once a season, whichever comes first (check your manual for the exact interval).

What else do I need for an oil change on a Yanmar 2QM15?

The correct grade and amount of engine oil (see the manual or the video), a new drain-plug washer, a filter wrench and a drain pan or oil extractor pump. Nothing exotic — it is standard service equipment.

What are the signs the oil is overdue on a Yanmar 2QM15?

Dark, gritty oil well past its interval, low-pressure warnings — and milky or grey oil, which means water is getting in and should be investigated immediately.

How long does an oil change take on a Yanmar 2QM15?

About an hour for a competent DIYer. Run the engine warm first — warm oil drains faster and carries more contaminants out with it.

Ready to fix it?
Get the Sierra 18-7910-1 oil filter for your Yanmar 2QM15.

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As an Amazon Associate we earn from qualifying purchases — at no extra cost to you. Prices and availability are shown at checkout. This guide is for reference; always follow the engine manufacturer’s service manual.