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We stock both NEW and USED parts; all used electronic parts are tested and guaranteed working.
This listing reflects our current inventory and is updated in real time. If a part is shown as Out of Stock, we typically don't know when or if we might have it again - but click on the part for more info, and then you will be able to sign up for an alert when we do have it available again. By including out of stock parts in our listings, we hope to offer customers a more complete and useful resource.
We cannot diagnose repair issues by phone or email. For technical questions, we suggest posting on our Forums, where our techs - as well as other users - can offer help.

Replacement Keys

Battery door, Casio
$19.95 (Part #11569)
Click for details
$19.95 (Part #11569)

Button set (nine buttons), Casio
$14.95 (Part #3808)
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$14.95 (Part #3808)

Button, brown, Casio
$6.95 (Part #3816)
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$6.95 (Part #3816)

Button, Casio
$6.95 (Part #3815)
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$6.95 (Part #3815)

Button, tan, Casio
$6.95 (Part #3809)
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$6.95 (Part #3809)

Button, with arrow, Casio
$6.95 (Part #3817)
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$6.95 (Part #3817)

Button, with arrow, Casio
$6.95 (Part #3818)
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$6.95 (Part #3818)

Button, with arrow, Casio
$6.95 (Part #3810)
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$6.95 (Part #3810)

Circuit board, Casio
$39.95 (Part #3731)
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$39.95 (Part #3731)

Circuit board, Casio
$49.95 (Part #3733)
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$49.95 (Part #3733)

Contact strip, 12-note, Casio
$13.95 (Part #CS3828)
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$13.95 (Part #CS3828)

Contact strip, 13-note, Casio
$14.95 (Part #CS3829)
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$14.95 (Part #CS3829)

Display, Casio
$69.95 (Part #3728)
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$69.95 (Part #3728)

IC, 4011 quad gate
$2.95 (Part #3391)
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$2.95 (Part #3391)

IC, 4049 hex inverter/buffer
$2.95 (Part #2382)
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$2.95 (Part #2382)

IC, 4051 multiplexer chip
$2.95 (Part #4319)
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$2.95 (Part #4319)

IC, 4066 quad bilateral switch
$2.95 (Part #3723)
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$2.95 (Part #3723)

IC, 4558 dual op amp
$2.95 (Part #3387)
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$2.95 (Part #3387)

IC, 74HC00 quad 2-input NAND gate
$1.95 (Part #8391)
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$1.95 (Part #8391)

IC, 74HC02 NOR gate
$1.95 (Part #9211)
Click for details
$1.95 (Part #9211)

IC, 74HC04 hex buffer
$2.95 (Part #2272)
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$2.95 (Part #2272)

IC, 74HC138 3 to 8 multiplexer
$1.95 (Part #8125)
Click for details
$1.95 (Part #8125)

IC, 74HC32 quad logic gate
$2.95 (Part #5246)
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$2.95 (Part #5246)

IC, 74HC374 octal D flip-flop
$1.95 (Part #9484)
Click for details
$1.95 (Part #9484)

IC, 74LS00N quad gate
$2.95 (Part #3429)
Click for details
$2.95 (Part #3429)

IC, 74LS05 hex inverter
$2.95 (Part #8114)
Click for details
$2.95 (Part #8114)

IC, 74LS373 flip-flop
$2.95 (Part #3051)
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$2.95 (Part #3051)

IC, 74LS74 dual flip-flop
$2.95 (Part #3396)
Click for details
$2.95 (Part #3396)

IC, PC900 optocoupler
$2.95 (Part #3704)
Click for details
$2.95 (Part #3704)

IC, TC40H000P quad NAND gate
$4.95 (Part #3398)
Click for details
$4.95 (Part #3398)

Key contact board, Casio
$34.95 (Part #3727)
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$34.95 (Part #3727)

Panel board, left, Casio CZ-101
$34.95 (Part #3729)
Click for details
$34.95 (Part #3729)

Panel board, right, Casio CZ-101
$34.95 (Part #3730)
Click for details
$34.95 (Part #3730)

Pitch bend assembly, Casio
$19.95 (Part #3724)
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$19.95 (Part #3724)

Pitch bend wheel, Casio
$12.95 (Part #3771)
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$12.95 (Part #3771)

Power adapter, 9VDC, 1000mA
$19.95 (Part #4811)
Click for details
$19.95 (Part #4811)

Power switch board, Casio
$21.95 (Part #3725)
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$21.95 (Part #3725)

Power switch cap, Casio
$8.95 (Part #3777)
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$8.95 (Part #3777)

Relay, 5V
$7.95 (Part #7740)
Click for details
$7.95 (Part #7740)

Rubber switch sheet, Casio CZ-101
$16.95 (Part #3820)
Click for details
$16.95 (Part #3820)

Rubber switch, 7-point, Casio
$6.95 (Part #3827)
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$6.95 (Part #3827)

Rubber switch, double, Casio
$4.95 (Part #3825)
Click for details
$4.95 (Part #3825)

Rubber switch, single, Casio
$2.95 (Part #3826)
Click for details
$2.95 (Part #3826)

Slide potentiometer, 10KB, 30mm
For Volume
$16.95 (Part #4005)
Click for details
For Volume
$16.95 (Part #4005)

Slider knob, black, Casio
$9.95 (Part #3813)
Click for details
$9.95 (Part #3813)

Strap pin, Casio
$8.95 (Part #3734)
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$8.95 (Part #3734)

Style 65U key, black note
$7.95 (Part #K65UBL)
Click for details
$7.95 (Part #K65UBL)

Style 65U key, note A
$9.95 (Part #K65UA)
Click for details
$9.95 (Part #K65UA)

Style 65U key, note B
$9.95 (Part #K65UB)
Click for details
$9.95 (Part #K65UB)

Style 65U key, note C
$9.95 (Part #K65UC)
Click for details
$9.95 (Part #K65UC)

Style 65U key, note D
$9.95 (Part #K65UD)
Click for details
$9.95 (Part #K65UD)

Style 65U key, note E
$9.95 (Part #K65UE)
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$9.95 (Part #K65UE)

Style 65U key, note F
$9.95 (Part #K65UF)
Click for details
$9.95 (Part #K65UF)

Style 65U key, note G
$9.95 (Part #K65UG)
Click for details
$9.95 (Part #K65UG)

Style 65U key, top C note
$16.95 (Part #K65UC8)
Click for details
$16.95 (Part #K65UC8)

Transistor, 2SK30A-O
$3.95 (Part #2605)
Click for details
$3.95 (Part #2605)

Volume slider board, Casio
$19.95 (Part #3726)
Click for details
$19.95 (Part #3726)