The phrase "a straight replacement for" is correct and usable in written English.
It can be used when discussing substituting one item or element directly with another without any modifications.
Example: "This new software is a straight replacement for the outdated version we were using before."
Alternatives: "a direct substitute for" or "an exact replacement for".
"I think it's clear that you are talking about two different profiles of player," Southgate said when asked if Dier was a straight replacement for Rooney.
Richards estimated a straight replacement for existing linear television provision, based on ITV regional licence areas and broadcast in designated slots on the ITV1 network, could cost around £40m-£60m £40m-£60m
Chelsea's major signings so far have been Asmir Begovic, a straight replacement for Petr Cech as No2 goalkeeper, and Radamel Falcao, who may provide useful and necessary injury cover for Costa but will have to show an improvement on his Manchester United goal return to fit the bill at Stamford Bridge.
He did not quite discount the option of Lancashire recruiting from outside, but made it sound unlikely, and there was a straight rebuttal of the rumour that they have been sounded out by the England and Wales Cricket Board to take Ashley Giles as a straight replacement for Moores.
Melbourne Victory's Mark Milligan is the obvious candidate to come in as a straight replacement for the Crystal Palace midfielder, although Postecoglou does have options – Mark Bresciano and Matt McKay could perform the same role, so too Matthew Spiranovic if pushed forward from the centre of defence.
McManaman will be a straight replacement for Liverpool winger Raheem Sterling, who misses out on the 23-man squad because of a thigh injury.
Wigan unveiled North Queensland Cowboys full-back Matty Bowen as a straight replacement on a 12-month contract, with an option for a second season, and revealed they have secured an option to re-sign Tomkins after his spell in Auckland.
While Frank Lampard has been signed on a loan deal for half of the season, he is 36 and is no straight replacement for the dynamic Touré.
And the MoD is hard-wired to go for a straight Trident replacement.
The coalition is split on the issue, with the Conservatives backing a straight £20bn replacement of Trident.
"You need about 2.1 births to result in straight replacement because of child mortality, so we're already heading for a decline," he says.
