Mercruiser 350 mag oil filter

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Reviews with images
Top reviews from the United States
Top reviews from other countries
What oil does a 350 MerCruiser take?
How much oil does a MerCruiser 350 MAG MPI take?
What motor is a 350 MAG MerCruiser?
How much horsepower does a MerCruiser 350 Mag have?

1.0 out of 5 stars Previously installed by someone else and cross threaded.
Reviewed in the United States on January 5, 2021

When I took this filter out of the box I could immediately see that it was installed previously, cross threaded and returned with filings in the filter. Are these used or what? I was in the process of changing the boat oil but will have to wait until new filter arrives. The boat is sitting without oil and cannot be used unless I reuse my old filter.

Reviews with images

Top reviews from the United States

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Reviewed in the United States 🇺🇸 on October 4, 2022

Reviewed in the United States 🇺🇸 on August 15, 2022

Reviewed in the United States 🇺🇸 on August 2, 2022

Fits fine and shipped quickly

Reviewed in the United States 🇺🇸 on August 2, 2022

Reviewed in the United States 🇺🇸 on December 11, 2021

I bought 2 oil filters for my boat. When I removed 1 from the box the bottom of the filter was all dented in . I would never install a critical part that was damaged.A better way to ship would be helpful. I request a new to be shipped please . Thank you David

Reviewed in the United States 🇺🇸 on July 17, 2022

Box was in poor condition when received. Filter looked okay.

Reviewed in the United States 🇺🇸 on March 28, 2022

Worked and fit as expected.

Reviewed in the United States 🇺🇸 on September 23, 2021

Used on a mercury 300hp, filters oil, and gets changed every 80hrs.

Top reviews from other countries

5.0 out of 5 stars Für meinen V8 5.0 Liter nur das Beste und daher einen Original Ölfilter

Reviewed in Germany 🇩🇪 on September 19, 2019

Der Ölfilter ist passgenau, die Gummilippe gewohnt dick und stabil und ich empfehle Ihn nur handfest anzuziehen. Sonst bekommt man diesen später kaum entfernt oder braucht einen Ölfilterschlüssel. Quicksilver passt und ich habe bereits den 2.Filter dieser Art gekauft. Sonst fällt mir dazu nichts ein - ist eben ein normaler Filter

5.0 out of 5 stars GOOD OEM PART FOR 3 LITER MERCRUSER

Reviewed in Canada 🇨🇦 on April 28, 2022

use quick silver product for all the boat part, just easier than keep guessing what work or doesnt
great quality part cant wait be on the water this summer

2.0 out of 5 stars Came quick....

Reviewed in Canada 🇨🇦 on October 5, 2022

Box was not even a box anymore ...the filter had dents in it but no punctures and the seal was intact worked for this summer...won't buy it from here again 😑

5.0 out of 5 stars Quality filter

Reviewed in Canada 🇨🇦 on July 1, 2019

Works on 3.0, 5.0, 5.3 and 454. Will also work on 4.3 with remote oil filter.

4.0 out of 5 stars Ist halt das was es ist

Reviewed in Germany 🇩🇪 on August 25, 2021

(typhoon) Join Date: Jul 2001 03-17-2003, 11:42 AM	Reply
What filter do I need to ask for at the automotive store or what do you guys use?

(magic) Join Date: Mar 2002 03-17-2003, 11:57 AM

If no one replies, I'll post the model number of the one that I've been using. I just can not remeber which one right now (I have that at home).

I think that its the same as the Chevy 5.7L truck filter. I found one that fits and holds more oil than the stock marine ones.

(typhoon) Join Date: Jul 2001 03-17-2003, 11:59 AM	Reply
thanks sean. let me know.

(leetudor) Join Date: Oct 2001 03-17-2003, 12:18 PM	Reply
Fram PH-13 or PH-30. One is shorter. If you have a v-drive and the muffler is by the oil filter you will need the shorter one.

(seattle) Join Date: Mar 2002 03-17-2003, 12:51 PM

Ty,

DO NOT GO ANYWHERE NEAR FRAM. There have been countless studies done on filters, and Fram always comes in last. If you want a quality filter go with a Napa Gold filter, all you have to do is bring your old filter} in with you and they will match it up with what you've got.

I REPEAT, DO NOT GO NEAR FRAM FILTERS!!!

(typhoon) Join Date: Jul 2001 03-17-2003, 12:53 PM	Reply
Thanks. Shawn told me the same thing. He said Napa Gold.

(leetudor) Join Date: Oct 2001 03-17-2003, 1:26 PM	Reply
You can use the Fram for a cross reference, I did not say use it.

(barry) Join Date: Apr 2002 03-17-2003, 1:37 PM

I totally agree with Cliff.. Fram has awesome marketing but the product is a joke.
Napa Gold all the way!!

B-

(magic) Join Date: Mar 2002 03-17-2003, 6:55 PM

The two that I use as reference are:

Fram PH5
and
Purolator 34631
I have used Napa Filters, but can not find the model number.

This matches to a Chev Truck with a FI 5.7L and 2WD.

I'm not sure on the PH13 and PH30s, the PH5 is the Fram model # I've used.

skippyh2o 03-17-2003, 8:10 PM	Reply
NAPA GOLD PLEASE!!!! If not use MERCRUISER parts. Thay have been tested through and through. I dont want to be the guy to tow you back to the dock because your cheap ideas. Just dont put penny parts on a multi-thousand dollar engine. Also when you are at NAPA, buy the "Royal Purple" oil, it WILL help. Then you can change your filter 3x before you change your oil.

sickboy 03-18-2003, 9:55 AM

Ty-
When I recently changed the oil on my MC, I found that the stock oil filters at Copes were cheaper than the filter I could have gotten at Pep Boys. Just a thought, check the price at your dealer...

(typhoon) Join Date: Jul 2001 03-23-2003, 8:12 AM	Reply
I would not use fram but the reference number for that supposedly matches is the ph5 or the longer which is a ph8a or the napa gold filter reference is 1060. Can anyone else confirm this also? not a big difference in price compared to the quicksilver oem parts. The napa was about 7.00 and the original is 9.00. Which is better?

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What oil does a 350 MerCruiser take?

There are a few motor oil viscosity options for Mercruiser/GM 350ci/5.7L engines. The 10W-30 grade seems to be the most popular choice for these engines. Others opt for 10W-40 or Mercury's 25W-40.