Craftsman 917.257573 Owner's Manual page 50

REPAIR PARTS
15 HP 42" TRACTOR-- MODEL NUMBER 917.257573
BRIGGS & STRA'I"I'ON ENGINE - MODEL NUMBER 28N707, TYPE NUMBER 0121-01
523
284A
524
20 634A 842 524 868 868A
358 GASKET SET
1 138
137
J,
977 CARBURETOR GASKET SET
467
171
535
445
304
1054
37
1006
668
1044
Q 75
224
334
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50