McLaren are expecting equal treatment from engine supplier Mercedes in 2014 despite the upcoming reunion with Honda a year later.
Next year will mark the 17th and final year McLaren will use Mercedes engines as F1 switches from the current V8's to V6 turbos.
However some are seeing 2014 as a 'gap' year for McLaren with all the focus being put on the partnership with Honda beginning in 2015, though team members are denying such claims.
"I know Mercedes very well, having worked with them for years," managing director Jonathan Neale is quoted by the Austrian website Laola1.
As a result McLaren is sure the engines and other components supplied by Mercedes next year will be to the same standard as those given to their own works team as well as other customers Force India and Williams.
Neale added that with drivers only having a maximum of five engines available to them during the 2014 season "all parts must be of the highest quality".
"So there can be no A, B or C equipment," Neale insisted.
In other McLaren news one of the most promising members of their young driver academy, Kevin Magnussen, is in the running for the second seat alongside Jules Bianchi at Marussia for 2014.
The man currently in that seat is Briton Max Chilton but he has been well of the pace of his team-mate this season and despite the huge sponsorship backing he brings, his place on the F1 grid is far from secure.
"I feel I'm showing I deserve a seat for next year," he told the Independent.
"I admit, at times, I haven't got things right, like at Silverstone and Germany, but on the whole it has been pretty good, and since the August break especially I couldn't have done much more," Chilton insisted.
Despite that Marussia has admitted it is looking at it's options with Magnussen also in the mix.
"Certainly Kevin has impressed in the tests he has done, and as a team that has brought young drivers into formula one, he is in the frame," Marussia sporting director Graeme Lowdon is quoted by Sky.
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