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Does anyone have the part number for the decal on the heater cover inside the cab that displays the operating rpm? It’s for an R model. I need one for the 285 hp motor so it should be 1100-2100 rpm I believe. Mine is no longer legible. Thanks

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I have a part number on my sticker that I wanted to replace. I was told it wasn't a Mack number. No dice.

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13 hours ago, Coenut said:

I have a part number on my sticker that I wanted to replace. I was told it wasn't a Mack number. No dice.

What's the number you're seeing?

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12 hours ago, Coenut said:

4mr334-p21

I can tell you for a fact that 4MR334P21 is indeed the Mack part number.

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Call Barry at Watts Mack who own this forum @ 1-888-304-6225  ( ask for Barry the Parts Manager) tell him your a BMT member  or Email him with your part number  barry@wattstruck.com

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Usually these guys are great with parts. They take the time to look and research parts  and part numbers so this was just odd.  They could have been super busy. I'm not worried.

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You just messed up that parts guy giving them a mack number 

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Here is a heater cover I pulled from a DM at a scrap yard. I’m not sure of the year or engine. Would 1600-2100 be the operating range for a 237? Anyways there is the part number for that decal in case anyone needs it.

D86BA393-985E-494B-982E-F7BB90083DAE.jpeg

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A good thing there's not only the part number but also a good quality picture of the decal. For a case if someone will want to draw it and than print a new sticker.

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I contacted Barry at Watts and he confirmed these are no longer available.

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