Sony CD Player CDP-30, CDP-70 Loading Gear

The gear is marked 4-910-402-01 Gear (2) Loading or 4-910-454-01.

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 CDP-30, CDP-70 Sony CD Player.
However, it might work also with other devices – just check your service manual.

Available for purchase in e-shop.

Philips CD 900 Series gear wheel

3D printed replacement gear wheel (part. no 4822 522 33192) for Philips 900 series CD players.



Tested for correct operation – see the video created by Stanislav V.



Gear is compatible with Philips CD players CD 910, CD 911, CD 920, CD 921, CD 930, CD 931, CD 940, CD 950, CD 951, CD 960. It migh be compatible also with other models – check your service manual.

Available in e-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

3D Lab CD12 Loading Gear

The gear is part of CD loader assembly in high-end CD player 3D Lab CD12. It uses Sony CD Drive (KSM2101ADM) so it can be compatible with other CD players too.

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


Gear is compatible with 3D Lab CD12 Player.
However, it might work also with other devices based on Sony CD drive – just check your service manual.

Available for purchase in e-shop.