7S3206 O-Ring Seal fit Caterpillar
7S3206 O-Ring Seal fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
7S3206 O-Ring Seal for Caterpillar Equipment
The 7S3206 O-ring seal is a standard sealing ring for Caterpillar engines, generators, and engine-generator sets. It is used as an axial or radial seal in the applicable assembly to help prevent leakage and contamination. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The seal is listed for the following Caterpillar equipment types and models:
- Caterpillar engine-generator sets
- Caterpillar generators
- Caterpillar industrial engines
- Caterpillar G3304
- Caterpillar G3306
- Caterpillar G3306B
- Caterpillar SR4
- Caterpillar 3304
- Caterpillar 3306
- Caterpillar D330C
- Caterpillar D333C
Fitment is associated with the listed Caterpillar engine and generator applications. Before installation, the part number and seal dimensions should be checked against the component being serviced.
Cross-reference numbers
| CTP SKU | 7S3206 |
| Part number format | 7S-3206 |
| SAE AS568 dash size | -328 |
7S3206 and 7S-3206 are the listed number formats for this O-ring seal. The SAE AS568 designation is -328.
Specifications
| Part type | O-ring seal |
| Seal type | Standard |
| Primary application | Axial or radial sealing |
| Main seal material | Rubber |
| Material specification | Silicone (VMQ) |
| Hardness | 70 Shore A |
| Size designation | 328 |
| Cross-section diameter | 0.21 in |
| Inner diameter | 1.85 in |
| Outside diameter | 2.27 in |
| Weight | 0.1 lb |
| Recorded length | 5.8 cm |
| Recorded width | 0.5 cm |
| Recorded depth | 0.5 cm |
The part is supplied as an individual O-ring seal. The listed dimensions include the seal cross-section, inner diameter, and outside diameter in inches; the recorded product dimensions are provided separately in centimetres.




Questions 7S3206 O-Ring Seal fit Caterpillar 0 questions