5B6129 Oil Seal fit Caterpillar
5B6129 Oil Seal fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
5B6129 Oil Seal for Caterpillar Equipment
The 5B6129 oil seal is a replacement sealing part for Caterpillar equipment, including autograders, truck engines, and ship equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The part number 5B6129 is listed for the following Caterpillar equipment models and equipment series:
- Autograder 120
- Autograder 120B
- Autograder 12E
- Autograder 140
- Autograder 140B
- Truck engine 1676
- Ship equipment D336
The equipment brand for all listed applications is Caterpillar. The model and machine-series information should be checked against the equipment parts documentation before installation.
Cross-reference numbers
The oil seal is identified by the following Caterpillar equipment part numbers and supplier cross-reference numbers:
| Primary part number | 5B6129 |
| Hyphenated part-number format | 5B-6129 |
| Cross-reference number | 1N9349 |
Part number 5B6129 is also written as 5B-6129 in equipment parts listings. The number 1N9349 is listed as an interchangeable reference for this oil seal.
Specifications
| Part type | Oil seal |
| Product category | Seals |
| Equipment brand | Caterpillar |
| Part status | New aftermarket spare part |
| Manufacturer | CTP (Costex Tractor Parts) |
| Weight | 0.4 lb |
| Length | 7.62 cm |
| Width | 12.7 cm |
| Depth | 1.27 cm |
The listed dimensions and weight apply to the 5B6129 oil seal as supplied. The available product data identifies the part as an oil seal but does not specify the installation position, sealing material, shaft diameter, housing diameter, or whether additional components are included.

























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