26
Jan, 2026

Loading Motor Pulley For Sony Minidisc drive MDM-7B

The pulley is part of the Sony Minidisc MDM-7B drive, attached to Loading motor M103, Sony part number A-4735-074-A.

Sony HCDCP500 motor pulley
Sony HCDCP500 motor pulley
Replacement gear in assembly

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

You can find the pulley here in the schematics:


The pulley is compatible with Sony Minidisc Players HCD-CP500MD, CHC-CL5MD, CMT-J300, HCD-J300, CMT-DC500MD, DHC-ZX50MD, HCD-ZX50MD, DHC-NX5MD, CMT-CP500MD. It can also be compatible with other devices – check your service manual.

The gear is available in the e-shop.

X33635011

23
Jan, 2026

Aiwa Head Housing Gear 81-506-237-01 (16 teeth)

Replacement Reverse Head Housing Gear for Stereo Cassette Deck Aiwa AD R550, AD FX-90, part number 81-506-237-01.

The gear was created using a precise 3D printer and was tested for correct operation.

Aiwa AD-R550
Aiwa AD-R550

Schema – position of the gear in the cassette drive assembly:

Compatible devices: Aiwa AD R550, AD FX-90 and other models – check the service manual.
Available in the e-shop

26
Jul, 2025

Sony TC-WR 810 Lever Assy Gear

Replacement gear that is part of Lever (TU Arm) Assembly in Sony tape deck TC-WR 810, TC-818M, MHC-3300CD and similar.

Part numbers:
X-3343-405-1 (LEVER TU ARM FWD ASSY)
X-3343-406-1 (LEVER TU ARM REV ASSY)

The gear was produced using a precise 3D printer and tested for proper operation.

Please note that the lever is not included; only the gear is provided.

Sony TC-WR 810 Lever gear
Sony TC-WR 810 gear in Lever assembly
Sony TC-WR 810 Lever Gear in drive assembly


The gear position in the schematic:



Gear is compatible with Sony cassette recorders TC-WR 810, TC-818M, MHC-3300CD and other models—check the service manual.

Available in e-shop.

21
Apr, 2025

Aiwa Reverse Head Housing Gear (16 teeth)

Replacement Reverse Head Housing Gear for Stereo Cassette Deck Aiwa AD WX808, AD WX909, AD R470, part number 86-524-278.

The gear was created using a precise 3D printer and was tested for correct operation.

Aiwa AD WX808
Aiwa AD WX808
The gear in cassette drive assembly

Schema – position of the gear in the cassette drive assembly:

Compatible devices: Aiwa AD WX808, AD WX909, AD R470 and other models – check the service manual.
Available in the e-shop

15
Feb, 2025

Philips 4407 Counter Gear Set

Replacement gear set used in a tape counter in Philips 4407 / N4407 reel-to-reel recorder.

The gear was produced using a precise 3D printer.

It was tested for proper operation.


Philips 4407 Counter Gear Set
Philips 4407 Counter Gear Set
Philips 4407 original counter gears
Philips 4407 replaced gears



Gear is compatible with Philips 4407 / N4407 reel-to-reel recorders and other models—check the service manual.

Available in e-shop.

15
Feb, 2025

Philips AS9300, AZ8640 Idler Gear

Replacement Idler Gear for Philips cassette recorders AS9300, AZ8640, AS9410, AS9510, AS9555, AZ8594, AS450 and similar.

The gear was produced using a precise 3D printer and a slightly flexible material to ensure silent operation.

It was tested for proper operation.


Philips AS9300 Idler Gear
Philips AS9300 Idler Gear
Philips AS9300 Idler Gear in assembly


The gear position in the schematic:



Gear is compatible with Philips cassette recorders AS9300, AZ8640, AS9410, AS9510, AS9555, AZ8594, AS450 and other models—check the service manual.

Available in e-shop.

15
Feb, 2025

Onkyo TA2070 Motor Pulley

Replacement Motor Pulley – part number 24601102.

The gear was produced using a precise 3D printer and a slightly flexible material to ensure good adhesion to the idler gear. It was tested for proper operation.


Onkyo TA2070 Motor Pulley
Onkyo TA2070 Motor Pulley
Onkyo TA2070 Motor Pulley in assembly
Onkyo TA2070 Motor Pulley in assembly


Position of the part in the schematic



Compatible devices: Onkyo TA2070 and other models—check the service manual. They might also be compatible with Sansui and other brands.
Available in the e-shop

12
Dec, 2024

Philips AS665C, FW732C, FW750C idler wheel 4822 522 10493

Philips AS665C
Philips AS665C

Replacement idler wheel (part number 4822 522 10493) for Philips CD players and midi systems. The gear is made using high-precision 3D printing. Nylon material ensures durability and long-term performance.

Position in the assembly:

Tested for correct operation.

The gear is compatible with Philips AS665C, FW372C, FW750C, FW372C/22, FW372C/22B, FW730C and also Grundig M17C, M27C.

Alternate names AS-665C, FW-372C, FW-750C, FW-372C/22, FW-372C/22B, M-17C, M-27C.
It might be compatible with other devices too – please consult the service manual

Available in e-shop.

17
May, 2024

Pioneer Denon Onkyo Kenwood Reverse Head Housing Gear

Replacement Reverse Head Housing Gear used in autoreverse Stereo Cassette Decks produced by Pioneer, Denon, Onkyo, and Kenwood.

The part numbers might differ for different brands, example is RXA1682 / RXA1683 Plate HD Block in Pioneer autoreverse decks.

The gear was created using a precise 3D printer and was tested for correct operation.

Reverse Head Housing Gear
Reverse Head Housing Gear
Reverse Head Housing Gear
Reverse Head Housing Gear
The gear in cassette drive assembly

Compatible devices: Pioneer (e.g. CT-W208R ), Denon, Onkyo, Kenwood – check the service manual.
Available in the e-shop

8
May, 2024

Aiwa Reverse Head Housing Gear (12 teeth)

Replacement Reverse Head Housing Gear for Stereo Cassette Deck Aiwa AD-R460 / R30, part number 86-513-299.

The gear was created using a precise 3D printer and was tested for correct operation.

Reverse Head Housing Gear
Reverse Head Housing Gear
The gear in cassette drive assembly

Schema – position of the gear in the cassette drive assembly:

Compatible devices: Aiwa AD-R460, Aiwa R30 and other models – check the service manual.
Available in the e-shop