Window crank gear assembly

A home owner from Murphy, NC says:
May 19, 2019

'Entry Guard Truth" crank assembly
Base plate # 40471
Long arm # 30470 LH (9" pin-pin)
Short Arm # 20755 (3.25" pin-pin)
Connector Arm # L30841 (3.25" pin-pin)
Gear Teeth are Worn down
Need to replace crank assembly.
Appears to be a Left Hand Assembly.
Handle is OK
Window hardware is OK
Thumbnail of the uploaded file named Window Crank Assembly.jpg
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Bob from SWISCO responded:
May 21, 2019

Thanks for writing in. Take a look at our 39-155 & 39-156 Casement Operators, or or our 39-031 & 39-032 operators. Carefully compare the dimensions listed on the product pages with your old hardware to see which set of operators is the best match.  
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-155
$29.85
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-156
$29.85
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-031
$29.70
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-032
$29.70
Truth Hardware Operator Cover
Truth Hardware Operator Cover
39-107
$3.30
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
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