Fiat Ducato Oil

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I used Granville oil in my Peugeot boxer for 3 years before changing the van last year, had no problems with it

Cheers Cris 🍻
 
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In theory as long as the oil is to correct manufacturer standard then it is as good as branded stuff, no next to no risk.
(Biggest risk IMHO, is that cheap no-name oil from some random eBay seller might not be what it says on the tin).
 
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Paul. said:
Why would you risk ruining the engine for the sake of a few quid?

Paul
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Nothing wrong with Granville oil, just because your paying through the nose for something with 'a name' doesn't mean it's any better.

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The potential problem with not using the right oil is, I think, twofold.

First, in the event of a warranty claim, or a request for a manufacturer contribution, it may potentially cause them to decline.

Second, if inferior oils accelerate wear then you won't know about it until much later, when an engine that should have lasted 200,000 miles only lasts half that.

(Mine was serviced recently and I discovered the wrong oil was used. I somewhat grumpily drained it myself afterwards and put the correct Selenia in. Just for my own peace of mind...)
 
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PaulW2 said:
The potential problem with not using the right oil is, I think, twofold.

First, in the event of a warranty claim, or a request for a manufacturer contribution, it may potentially cause them to decline.

Second, if inferior oils accelerate wear then you won't know about it until much later, when an engine that should have lasted 200,000 miles only lasts half that.

(Mine was serviced recently and I discovered the wrong oil was used. I somewhat grumpily drained it myself afterwards and put the correct Selenia in. Just for my own peace of mind...)
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Exactly, and why i do my own oil changes, then i know its really done, and done properly.
 
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Fiat Recommend Selenea WR Forward 0W-30 for Multi Jet Euro 6 diesel engines, and 5W-30 for Euro 5 diesel engines & last but not least WR5-40 for Euro 4 diesel engines.
However my Fiat Professional approved garage used Shell Helix Ultra 0W-30 for every service since new, not cheap but cheaper than Selenea.
My View on this reoccurring subject.
Its also worth considering that our vans are not being thrashed about every day doing deliveries, they sit for longer periods not being driven as hard or as long as delivery vans, but its just as important despite low usage/mileage that the oils are replaced as per the manufacturers recommendations, i.e at least every 2 years regardless of mileage, same as brake/clutch fluids as they also suffer from longer storage time, ensuring that the clutch fluid has actually been flushed through properly.
LES
 
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Surely if it fits the spec it must be good stuff.

Mind you, the name does remind you of a corner shop, like Granville is branching out in a new line that'd be delivered by a boy on a bike with a basket on the front😁
 
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Dorwyn said:
Surely if it fits the spec it must be good stuff.
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It can rapidly go beyond my understanding, so I respond conservatively by just doing what is officially approved.

So it's 0w-30, fully synthetic, but also designed specifically for Euro 6 (but not Euro 5 🤷‍♂️ )engines by Petronas in collaboration with Fiat and it carries a specific set of Fiat approval acronyms. (And also not "according to the Fiat spec of", but "specified by Fiat to be ...".)

Does it matter if it falls short on any of these? I am sure that there is some marketing nonsense in there, but do I know enough to be confident that I know better and can safely use an alternative?

And is it really the sort of thing I want to spend my time researching to death, or is it easier just to put in the prescribed oil?
 
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Oil is oil and it all comes from the same place. Manufacturers specify the type and specification of the oil for their engines, they do not specify a brand. So long as the specification is met, it will make absolutely no difference what brand it is and all warranties will be honoured.
 
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IMG_2708.webp

Fiat 955535.GS1 & Fiat 955535.DS1
 
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enark said:
So where sells it cheaper?
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Well, the oil in your quote 'tat' you called it, is half the price you pay, Granville is a long established maker of oil, and every bit as good as the stuff you buy with a fancy name.

I'm afraid your miles out thinking everything on ebay is tat.
 
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Barriesimpson said:
Oil is oil and it all comes from the same place. Manufacturers specify the type and specification of the oil for their engines, they do not specify a brand. So long as the specification is met, it will make absolutely no difference what brand it is and all warranties will be honoured.
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I remember working for an oil company (ex Mobil company) which was bought out by Petronas. Each refinery and each blend plant produced its products, but there was a huge battle of wills (almost 30 years ago) between the specialist engineers as to whether it was really necessary for them to market the new Petronas oil, whether it was 'better' than Mobil 1. On and on and on and interminably on. Engineers, eh.

Eventually, of course, the owners had their way and it was Petronas all the way.

Fast forward 30 years.

As with everything the average consumer may have an opinion, as may the average mechanic, and the average workshop, and the average development engineer in the industry, and the average company, and the average vehicle manufacturer.

I'm not inclined to resurrect, or attempt to adjudicate, any partisan debates into people's refineries and blend plants - for them it's a lifetime mission and for me it's just an oil change. It would necessarily be an asymmetric battle.

The recommended oil is Selenia WR Forward 0w-30 and I have no good reason not to stick with it.
 
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LesW said:
Well, the oil in your quote 'tat' you called it, is half the price you pay, Granville is a long established maker of oil, and every bit as good as the stuff you buy with a fancy name.

I'm afraid your miles out thinking everything on ebay is tat.
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So can you suggest where i could get Mopar Selinia for less than £12 a litre?
 
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As long as the oil meets Fiat 9.55535-DS1 then you will be fine.

If you are concerned about a particular brand, have a look at the product data sheet and compare it with the Petronas oil.

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TinaLes said:
Fiat Recommend Selenea WR Forward 0W-30 for Multi Jet Euro 6 diesel engines, and 5W-30 for Euro 5 diesel engines & last but not least WR5-40 for Euro 4 diesel engines.
However my Fiat Professional approved garage used Shell Helix Ultra 0W-30 for every service since new, not cheap but cheaper than Selenea.
My View on this reoccurring subject.
Its also worth considering that our vans are not being thrashed about every day doing deliveries, they sit for longer periods not being driven as hard or as long as delivery vans, but its just as important despite low usage/mileage that the oils are replaced as per the manufacturers recommendations, i.e at least every 2 years regardless of mileage, same as brake/clutch fluids as they also suffer from longer storage time, ensuring that the clutch fluid has actually been flushed through properly.
LES
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I've just 5L of Shell Helix ultra on ebay. It came from Arnold Clark £37.90 delivered. great price. A Fiat needs 6.5L so get 2. https://www.ebay.co.uk/itm/26678586...pid=5339023013&customid=&toolid=10001&mkevt=1
 
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When I worked for the NCB (remember them) the coal board used their own scientific experts on what was the best oils to use on their machinery.

A twin engined Terex scraper alone, cost a quarter of a million pounds 40 years ago, diesel engines at each end being worked hard almost 24 hours a day, so it was imperative to get the best oil.

And their recommendations were....Morris oils, Shrewsbury. And that's what they used on all the machinery.

So, is a well known top brand always better?

Craig
 
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KUSKUS said:
Would anyone risk this cheap oil on ebay ? Granville Oil 0w30 FS-FX Fully Synthetic Engine Oil Fiat: 9.55535-DS1 & 9.55535-GS1 £32.95 each.
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As long as it meets specific Fiat recommendations, it doesn't matter much what oil you use as long as you change it often.

For me, the most important thing is THRUSTing the seller which is why I rarely buy off eBay unless it's one of my trusted suppliers.
Other suppliers can print whatever they want on a label and, with today's copiers, can make it look authentic!

Most of the time, I buy either Castrol or Shell fully synthetic from my trusted parts shop.

As I've said many times before, you pays your money and makes your choice! 👍
 
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LesW said:
I have no need for 'Mopar Selina' when other oils with the same specification are available at half the price.
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So you comment, “they saw you coming” perhaps you should retract it?

I scoured suppliers for the oil to meet the Fiat specification, and that was the best deal i could get.

Its personal choice as to if an owner wishes to use manufacturer specified oils etc, or not, i along with many choose to adhere to the Fiat requirements, others may not.
 
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It may well be right that one can use different oil to that specified by the manufacturer (or a different brand which is to the same spec). I think it's very likely that it will be fine.

But with different manufacturer specifications, even for the same grade, requiring things like high temperature deposits tests, dispersivity tests at different temperatures, sludge tests, endurance tests and so on and so forth, I as a consumer can't really know how accurately two oils match up.

Even looking at the relevant Shell Helix, it says that it is approved a range of specifications (e.g for MB), and then when it comes to the Fiat spec it says that it "meets the requirements of". So it's Shell saying it rather than Fiat.

It's very likely to be just fine. And even if it isn't quite up there, who does hundreds of thousands of miles in a motorhome for any difference to become apparent?

But for a fairly modest price premium once a year I will probably just continue to stick with the oil that was co-developed with Fiat and that is specified by Fiat.
 
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