7C8939 Piston Ring fit Caterpillar
7C8939 Piston Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
7C8939 Piston Ring for Caterpillar
7C8939 is a piston ring for Caterpillar equipment, including Caterpillar generators, industrial engines, and truck engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The part is identified as a ring-piston and is used with the specified Caterpillar engine and generator models listed below. The supplied part number is 7C8939; the same number may also be written with a hyphen as 7C-8939.
Fitment
| Equipment manufacturer | Caterpillar |
| Equipment type | Generators |
| Equipment type | Industrial engines |
| Equipment type | Truck engines |
| Engine or generator series | SR4 |
| Engine model | G3406 |
| Engine model | G3408 |
| Engine model | G3408B |
| Engine model | G3412 |
| Engine model | 3406B |
| Engine model | 3406C |
Cross-reference numbers
The following numbers are listed for this piston ring as Caterpillar and supplier cross-references:
- 7C8939
- 7C-8939
- 1S9421
- 5M9032
- 9S2264
Specifications
| Part type | Piston ring |
| Part designation | RING-PISTON |
| Primary part number | 7C8939 |
| Equipment brand | Caterpillar |
| Part condition | New |
| Part classification | Aftermarket spare part |
| Manufacturer | CTP (Costex Tractor Parts) |
| Weight | 0.2 lb |
| Length | 15 cm |
| Width | 15 cm |
| Depth | 0.1 cm |
Before installation, the part number and engine or generator model should be checked against the identification data of the Caterpillar equipment. The cross-reference numbers are provided for identification of the corresponding piston ring and should be matched with the applicable parts information for the particular machine.




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