3L6768 Silicone O-Ring fit Caterpillar
3L6768 Silicone O-Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
3L6768 Silicone O-Ring for Caterpillar Equipment
The 3L6768 Silicone O-Ring is a sealing ring used in Caterpillar equipment and engines. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The ring is intended for sealing applications where an O-ring is required to help prevent leakage and contamination. The available fitment information identifies this part for the Caterpillar models and engine series listed below.
Fitment
- Caterpillar 3306
- Caterpillar 3406
- Caterpillar 3406B
- Caterpillar 3406C
- Caterpillar 3408
- Caterpillar 3412
- Caterpillar D348
- Caterpillar SR4
- Caterpillar 3176B
Fitment depends on the specific machine or engine configuration and the sealing location. Verify the installed part number and O-ring dimensions before replacement.
Cross-reference numbers
| CTP SKU | 3L6768 |
| Part number format | 3L-6768 |
The numbers 3L6768 and 3L-6768 identify the same O-ring in the available product data. No additional supplier or equipment-manufacturer cross-reference numbers are specified.
Specifications
| Part type | O-ring sealing ring |
| Seal type | Standard O-ring |
| Material | Silicone rubber |
| Hardness | 70 Shore A |
| Coating | None |
| SAE AS568 dash size | -10 |
| Inner diameter | 0.24 in |
| Outside diameter | 0.379 in |
| Cross-section diameter | 0.07 in |
| Temperature range | -50 °F to 300 °F |
| Listed weight | 0.1 lb |
| Listed length | 1 cm |
| Listed width | 1 cm |
| Listed depth | 0.2 cm |
The dimensional values above describe the O-ring according to the supplied product data. The inner diameter, outside diameter, and cross-section diameter are provided in inches; the additional listed length, width, and depth values are provided in centimetres.






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