Onkyo A-9510 motorized selector gear

Replacement gear for Onkyo amplifier A-9510 motorized input selector. The gear is driven by a worm gear.

Replacement gear was tested for correct operation. It was created using a high precision 3D printer using durable Nylon material.

The gear might also fit into different Onkyo or Yamaha apmplifiers (? A-9511, A-9310 ?)

Replacement gear in the assembly

Product available in the e-shop

Philips N5361, N5151 tape transport gear 482252010424

3D printed replacement tape transport gear 4822 520 10424 for Philips N 5361, N 5151, N5151 Mark II tape recorders. The gear was made using semi-flexible material similar to the original one. The gear needs to be replaced at the plastic thorn (that is not part of the offer).

Tested for correct operation.

Position of the gear in the assembly:

Gear may be compatible with additional Philips tape recorders (22AR774, 22AR584, N2415,…)

Available in e-shop.

Sony CDP-C77ES / C87ES / C715 Disk Table Pulley/Gear

Pulley/gear that rotates disk table in Sony CD Changer CDP-C77ES, CDP-C87ES, CDP-C715. There is no official replacement part, the gear does not have any part number.

Faulty gear can be replaced with 3D printed one. Replacement gear was fully tested for correct operation.

Gear position in the schematic:


Gear is compatible with following devices:
Sony CD Changer CDP-C77ES, CDP-C87ES, CDP-C715. .
However, it might work also with other devices – just check your service manual.

Available for purchase in e-shop.

Philips N7150 motor 4822 361 20177 gear

The gear is attached to the motor maked 4822 361 20177 in Philips reel-to-reel tape recorders. Material used for the original gear become fragile during time and gears often crack.

Philips N7150 gear replaced

Replacement gear was made using thermoplastic polyuretane (high precision 3D print) that is slightly flexible as the original material and durable.

The gear was tested for smooth operation.

Position of the gear highlighted in schematic

The part is compatible with following devices:
Philips N7150, Philips N7300

It might work also with other Philips reel-to-reel tape recorders – just check your service manual.

Available for purchase – go to shop.

Sony BU-30 CD drive sled motor gear (M102)

The gear is part of Sony CD Drive base unit BU-30 assembly. This drive is used in CD and VCD players. Base unit is marked BU-30BBD61M, A-4735-885-A. It is compatible with Aiwa BU-30 assembly.

Replacement part was created using a semi-professional 3D printer using durable Nylon material. The gear was tested for correct operation.

You can find the gear here in schematics:

Sony A-4735-885-A BU-30B Assembly


Gear is compatible with following CD Players:
Sony HCD-M333, Sony MXD-D400, Sony RCD-W2000ES, Sony RCD-W10, Sony RCD-W100, Sony RCD-W222ES, Sony RCD-W500C, Sony RCD-W50C, Sony CHC-CL3 (HCD-CL3), Sony CMT-M373NT (HCD-M373), Aiwa XR-MN5 (CX-LMN5), Aiwa XR-EM400 (CX-LEM400), Aiwa BMZ-K1 (CX-BK1).
However, it might work also with other devices – just check your service manual.

The gear is available in e-shop.
(gear only, without motor)

X33635011

Grundig MCF tape transport gears

Pinion and idler gear that acts in tape transport in Grundig MCF 100 and MCF 200 cassette players. The material used for original gears becomes fragile over time and gears often crack. Tape is not transported then.

Grundig MCF 100/200 gears (replaced)

Replacement gears are made using thermoplastic polyurethane (high precision 3D print) that is slightly flexible as the original material and durable.

The gears were tested for smooth operation.

How to replace the gears:

The part is compatible with the following devices:
Grundig MCF 100, MCF 200, CF 5000, CF 5000-2, CF 5100

It might work also with other Grundig cassette players – just check your service manual.

Available for purchase – go to shop.

Sony CD Player 4-968-865-01 gear C

The gear is part of CD loader assembly in Sony CDP-X CD players.

CD Mechanism Type: CDM32EB-12C, CDM32EN-12C, CDM32HB-12H, CDM32HN-12H and compatible
Base Unit Type: BU-12C, BU-12H and compatible
Optical Pick-up Type: KSS-273 (KSS-273A, KSS-273B/J1N)

Sony CD Player 4-968-866-01 replacement gear

Faulty gear can be replaced with 3D printed one. Replacement gear was fully tested for correct operation.

original 4-968-865-01 gear cracked

Gear position in the schematic:


Gear is compatible with following devices:
CDP-XA7, CDP-XA7ES, CDP-XA555ES, CDP-XA50ES, CDP-X5000.
However, it might work also with other devices – just check your service manual.

Available for purchase in e-shop.