This is the finale of our URAL disc-type CV joint mini-series. We have covered the sliding yoke 375-2303072 and the joint knuckle 375-2303074. Now the piece in the middle — literally: the joint disc 375-2303075, the central element of the whole joint, and at 1.65 kg the lightest and most frequently replaced of the three.
What the disc does
The disc 375-2303075 sits between the knuckle and the outer half-axle fork, transmitting rotation at an angle to the steered wheel. In the disc-type constant-velocity joint, it is the disc that makes the geometry work: as the wheel steers, the disc accommodates the angle while keeping torque flowing smoothly.
Being the middle element, it rubs against both neighbours — which makes it the joint's sacrificial part. When the front end starts knocking at full lock, the disc is the first thing experienced URAL mechanics check, and often the only piece that actually needs replacing.
Specifications
| Property | Value |
|---|---|
| Part number | 375-2303075 (also written 3752303075) |
| Name | Disc (joint disc) |
| Brand | URAL |
| Group | Front axle — differential and axle shafts |
| Weight | 1.65 kg |
| Quantity per vehicle | 2 (one per steering knuckle) |
| Assembly diagrams | Appears on 7 drawings |
Which trucks does it fit?
Three pre-2003 URAL 6x6 models (the catalogue marks the cutoff as pre-03.2003):
- Ural-375 — front axle drawing, position 14, quantity 2
- Ural-4320 — the diesel 6x6
- Ural-5557 — 6x6 chassis for special bodies
The complete joint shopping list
If you are overhauling the front knuckle joints on a pre-2003 URAL 6x6, here is the full disc-type CV joint bill of materials from this series:
| Position | Part | Number | Qty/truck |
|---|---|---|---|
| Outer yoke | Sliding yoke | 375-2303072 / -Б | 2 |
| Middle | Joint disc (this part) | 375-2303075 | 2 |
| Knuckle | Joint knuckle | 375-2303074 / -Б | 4 |
Rule of thumb from the field: discs wear first, yokes second, knuckles last — but always jack up the axle and check play at every position before finalizing the order.
Where to look it up
Full specifications and all 7 assembly diagrams with position numbers are on the part page:
375-2303075 Disc — kamaz-parts.com
The catalogue covers 87,000+ KAMAZ, URAL, MAZ, MTZ and TATRA part numbers organized by the original OEM drawing structure (brand → model → assembly group → position table), so you can verify any number against the actual assembly drawing before ordering. Wholesale inquiries go straight from the part page — mixed pallets welcome, export paperwork included.
Top comments (0)