When I search for belts for my Euro 500SL (1985) the part numbers come up with different sizes. For example, the power steering belts say 9.5 x 1100 but the part comes up as 10.0 x 1100. Are these interchangeable?

Steve

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Steve
1985 Mercedes 500SL Euro (Gray market)
1995 BMW 520i Euro (Gray market)
1992 BMW 525it Wagon
1994 Honda Del Sol Si

Yes, they are interchangeable. The 1/2 mm difference in width is irrelevant.

Ron
German Star

I kind of thought so but was not sure. That is great.

Steve

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Steve
1985 Mercedes 500SL Euro (Gray market)
1995 BMW 520i Euro (Gray market)
1992 BMW 525it Wagon
1994 Honda Del Sol Si

Perhaps we should clarify the situation, a little more.

As German Star states, the extra width does not matter, so long as you are going up in size.

However you will have wear problems, if you try it in reverse, as the belt will ride too low in the pulleys, and will quickly cause the re enforcement strip to wear, and next thing you will have a broken belt.

As a general rule also, you should not use imperial size belts, to replace metric belts, as often the width is too far away from your real standard.

When the belt is correctly tensioned in pulley, the out side of the belt, which is where the size marking are, should sit slightly proud of the top of the pulley.

Regards

Col