In stock
SKU: 7Y1766
7Y1766 Seal-Lip Type fit Caterpillar
In stock
SKU: 7Y1766
7Y1766 Seal-Lip Type fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
$17.00
Delivery
Shipping cost will be calculated at checkout. Available shipping methods:
Characteristics 7Y1766 Seal-Lip Type fit Caterpillar
Main characteristics
Part type
Oil seal
Cross reference
7Y-1766
Compatible models
Caterpillar 320 L,
Caterpillar 320-A,
Caterpillar 320-A L,
Caterpillar 320-A N,
Caterpillar 320-A S,
Caterpillar 320B,
Caterpillar 320B FM,
Caterpillar 320B LL,
Caterpillar 320B L,
Caterpillar 320B LU,
Caterpillar 320B N,
Caterpillar 320B S,
Caterpillar 320B U,
Caterpillar 320N,
Caterpillar 321B,
Caterpillar 345B,
Caterpillar 345B L
Seal-Lip Type 7Y1766
7Y1766 is a lip-type oil seal for Caterpillar excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The seal is listed for the following Caterpillar excavator models and machine series:
- 320 L
- 320-A
- 320-A L
- 320-A N
- 320-A S
- 320B
- 320B FM
- 320B LL
- 320B L
- 320B LU
- 320B N
- 320B S
- 320B U
- 320N
- 321B
- 345B
- 345B L
Model designations are retained as listed for part number 7Y-1766. Fitment should be checked against the machine model, serial number and the dimensions of the installed seal before replacement.
Cross-reference numbers
| Equipment manufacturer part number | 7Y-1766 |
| Product SKU | 7Y1766 |
Specifications
| Part category | Oil seal |
| Seal design | Lip type |
| Outside diameter | 5.522 in |
| Shaft diameter | 4.329 in |
| Seal width | 0.551 in |
| Main seal material | Not specified |
| Listed weight | 0.3 lb |
The part is identified as a lip-type seal intended for installation at a rotating shaft location on compatible Caterpillar equipment. The supplied data does not specify the seal material, installation position, included components or an additional installation kit.






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