Tip: If you don't have your part number, but still have your old belt,
most Murray belts have  the part number stamped on the back (flat) side.
Rub the back with a piece if chalk...Many times the number can be seen.

Part
Number

Belt  
Description

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37X1

37X3 

37X4

37X5

Use 37X51

Use 37X51

37X6

37X7

37X8

Use 37x15

Use 37x15 

37X9

37X11

Use 37x61

Use 37x61

37X12

37X13

37x14

37X15

37X16

37X17

37X20

37X21

Use 37x40

Use 37x40

37X22

37X26

37X27

37X29

37X30

37X33

Use 37X45

Use 37X45 

37X34

37X35

Use 37x45

Use 37x45

37X37

Use 37X44

Use 37X44

37X38

37X39

use 37X43

use 37X43

37X40

37X43

37X44

37X45

37X46

37X49

37X50

Use 37X57

Use 37X57

37X51

37X52

Use 37X57

Use 37X57 

37X54

Use 37x60

Use 37x60

37X55

37X56

37X57

37X59

37X60

37X61

37X62

37X63

37X64

37X65

37X66

37X67

Use 37X70

Use 37X70

37X68

37X69

37X70

37X71(SE)

37X72

37X73

37X74

37X75

37X76

37X77

37X78

37X80

37X81

37X82

37X83

37X84

37X85

37X86

37X87

37X88

37X89

37X90

37X91

Use 37X84

Use 37X84

37X92

37X93

37X94

37X95

37X96

37X97

37X98

37X99 

Use 37X84

Use 37X84

37X100

37X101

37X102

37X105

37X106