Mercruiser 3.0 Oil Type, Capacity, Filter & Change Cost

Mercruiser 3.0 Oil Type: Maintaining the MerCruiser 3.0 engine well-lubricated is crucial to its longevity and reliability.

In this article, I’ll provide all you should know about The MerCruiser 3.0 oil type, capacity, filter, and the cost of changing it and include:

  • Type of oil: The MerCruiser 3.0 engine is powered by an oil with a 25W-40 ratio. You can select either synthetic or mineral-based oil. Synthetic oils are more costly however they provide better performance and security.
  • The capacity of oil: The MerCruiser 3.0 engine has a capacity for oil of 4 quarts when the filter is used.
  • Filter: A recommended filter to use with the MerCruiser 3.0 engine is the Mercury Marine 35-509359-1.
  • Cost of oil change: The average cost of changing the oil on a MerCruiser 3.0 engine ranges from between $150 and $200.

mercruiser 3.0 oil type

2-STROKE OUTBOARD OIL APPLICATION CHART

OIL Low HP: 2.5 HP –
30 HP
Mid HP: 40 HP –
115 HP
High HP: Above
115 HP
All HP
  Carbureted or EFI Carbureted or EFI Carbureted or EFI Direct Injection
Premium Good Good Not
Recommended
Not
Recommended
Premium Plus Better Better Better Better
DI Engine Oil Best Best Best Best

4-STROKE OUTBOARD OIL APPLICATION CHART

OIL LOW HP: 2.4 HP – 30 HP MID HP: 40 HP – 115 HP HIGH HP: 115 HP AND ABOVE CATALYZED/NON-CATALYZED ENGINES
10W30 Good Good Good Not
Recommended
25W40 Good Good Good Good
25W40 Synthetic
Blend
Best Best Best Best

STERNDRIVE/INBOARD GAS ENGINE OIL APPLICATION CHART 

OIL  CATALYZED ENGINE  NON CATALYZED ENGINE
 10W30  Not Recommended  Not Recommended
 25W40  Good  Good
 25W40 Synthetic Blend  Best  Best

Mercruiser 3.0 capacity for oil

The capacity of the oil in an engine from Mercruiser 3.0 engine could vary according to the model and the year of manufacture. 

However, as per the Mercruiser owner’s manual, the typical capacity of oil for a Mercruiser 3.0 engine will be 4.5 quarters (4.25 Liters). 

It is essential to adhere to the instructions of the manufacturer regarding oil capacity and to frequently examine and maintain appropriate oil levels to guarantee the long-term performance and longevity of the motor.

Mercruiser 3.0 oil Filter

The oil filter on the Mercruiser 3.0 engine will vary based on the particular model and the year that the motor is. 

But, as per the Mercruiser owner’s manual, the most recommended oil filter for a Mercruiser 3.0 engine would be the Quicksilver 35-822626Q03 filter or an equivalent filter that is in line with OEM specifications.

It is crucial to choose an oil filter of high quality that is in compliance with OEM requirements to guarantee adequate filtration of contaminants as well as to prolong the life as well as the performance of your engine. 

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It is also suggested to replace the filter after each oil service to ensure maximum performance of the engine.

mercruiser 3.0 oil filter cross reference

Here’s a review of the result of the Mercruiser 3.0 Oil filter Cross Reference:
  • It appears that the Boating Forum has a thread that refers to AC Delco (PF454) and Fram (PH8873) as cross-references to the oil filter of a 1999 Mercruiser 3.0 engine.
  • Oil Filter Cross Reference provides cross-references to Mercruiser 35-816168, 866340Q03 35-866340Q03, and 35-866340K01 as well as the 866340K01 filter. It is crucial to keep in mind that cross-references serve as a general reference only. it is highly recommended to check for the correct specifications prior to buying a new oil filter.
In general, there are a variety of cross-reference options that are available with this Mercruiser 3.0 oil filter such as AC Delco, Fram, and many other brands. 
 
It is crucial to consult the manual of the owner or the site of the manufacturer for the specific oil filter that is recommended for your particular engine in order for optimal performance and long-lasting usage. 
In addition, it is suggested to ensure that the specifications are correct prior to purchasing a new oil filter.

Mercruiser 3.0 Oil Change Kit

It’s true that the MerCruiser 3.0 oil change kit generally comprises all the items needed for performing an oil change on your engine. 

The kits have been designed to facilitate the process and make sure you’ve got all the needed elements in one kit. An essential MerCruiser 3.0 kit for oil changes typically includes:

  1. Marine-grade Engine: The Oil Kit includes the proper amount of marine-grade engine oil, typically 25W-40 or 15W-40 as suggested by MerCruiser for the 3.0 engine.

  2. Oil Filter: A brand new oil filter that is specifically designed for MerCruiser 3.0 engine models will be included. MerCruiser 3.0 engine will be added to replace the existing one in the process of changing the oil.

  3. Kit for Gaskets to the Drain Pipe: It could include a replacement gasket for the drain plug to ensure that the seal is properly sealed when you reinstall the drain plug after taking out the oil that was previously used.

  4. Disposable Gloves: Certain kits come with disposable gloves to ensure your hands are free of dirt while you change your oil.

  5. Shop Towels and Rags: These are available to clean off spills and excess oil that may occur during an oil swap.

  6. Funnel: The funnel could be added to aid you in pouring this new fluid into the engine with no spills.

  7. Lubrication Pads (Optional): In certain kits, there are oil-absorbent pads that can be put beneath the engine in order to capture any spills or drips.

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Step-by-Step Guide: How to Change Mercruiser 3.0 Oil and Filter

  1. It is advised to warm the engine for five to ten minutes so that the oil can circulate more readily.

  2. Shut off the engine, and then remove the oil dipstick and cap to fill the oil.
  3. Install a drain pan under the oil pan in order to collect any old oil.
  4. Utilize a wrench to pull the drain plug for oil from the oil pan. Then wait for the previous oil to completely drain.
  5. Change the plug, and then tighten it with a secure.
  6. Find the oil filter and take it off using a wrench for the oil filter. Be sure to keep an apron handy to collect any spills.
  7. Apply a thin layer of new oil on the gasket of the new oil filter.
  8. Attach the new filter until it’s snug. Do not over-tighten.
  9. Fill the engine up with the appropriate amount of new oil by using a funnel.
  10. Replace the cap on the oil filler and dipstick.
  11. Start the engine for two minutes to circulate fresh oil.
  12. Verify the level of oil and add more.
  13. Examine for leaks and dispose of the old oil in a proper manner

Changing Oil in a Mercruiser 3.0 Boat Engine

Mercruiser 3.0 Oil Change (Without Oil Pump)

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Conclusion

According to my understanding, you’re asking me what type of oil is recommended for the Mercruiser 3.0 engine.

In accordance with the Mercruiser owner’s manual, the recommended oil type for a Mercruiser 3.0 engine is 10W-30 motor oil which is in compliance with API’s classification of service SJ and later. It is recommended to use an oil that is tested for marine use.

It is important to follow the manufacturer’s recommendations for oil type and to regularly check and maintain proper oil levels to ensure the longevity and performance of the engine.

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FAQ Mercruiser 3.0 oil type

What kind of oil does a MerCruiser take?

The Mercruiser 3.0 engine, which features four cylinders and is rated at 135 horsepower, is named because of its displacement of 3.0 liters. The manufacturer recommends that its own MerCruiser SAE 20W-40 Full Synthetic Engine Oil be used. Keeping this in view, what oil does a MerCruiser take?

How much horsepower does a Mercruiser have?

2 × 135 horsepower MerCruiser 3.0L 181 cid V6 21.0 GPH (79.0 lph) (79.0 lph) A 262 cid, 4.3 L, MerCruiser engine 2 x 190 hp 32.0 GPH (121 lph) (121 lph) Two 220 horsepower MerCruiser 4.3 L (262 cid) in-line-6 cylinder engines 36.0 GPH (136 lph) (136 lph) MerCruiser V8 5.0L (305 ci) 2 x 220 hp 36.4 GPH (137 lph) (137 lph) 5.0 L (305 Ci) MerCruiser V8 Engine 2 x 260 hp 37.0 GPH (140 lph) (140 lph) That’s 8 more columns…

What kind of oil should I use in my boat engine?

Choose a single-weight oil if you operate your boat in constant temperature conditions (e.g. SAE 30). Choose multi-viscosity oils if you operate your vessel across a broad temperature range (e.g. SAE 10W-30). In cold conditions, they behave like thin oils, making it easier to crank the engine.

What kind of oil do you use in a 4-stroke outboard?

Choose a single-weight oil if you operate your boat in constant temperature conditions (e.g. SAE 30). Choose multi-viscosity oils if you operate your vessel across a broad temperature range (e.g. SAE 10W-30). In cold conditions, they behave like thin oils, making it easier to crank the engine.