3N7078 Adapter fit Caterpillar
3N7078 Adapter fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
3N7078 Adapter, 3/8 NPT, fit Caterpillar
The 3N7078 Adapter is a hardware component with a 3/8 NPT connection designation for Caterpillar equipment. It is used with Caterpillar engine-machine applications, Caterpillar generators, and Caterpillar industrial engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The adapter is listed for the following Caterpillar equipment and engine models:
- Caterpillar 3406
- Caterpillar 3406B
- Caterpillar 3408
- Caterpillar 3408B
- Caterpillar SR4
The supplied fitment information identifies the part for Caterpillar engine-machine applications, Caterpillar generator equipment, and Caterpillar industrial-engine applications. The model references include the 3406 and 3408 engine families, their listed B-series versions, and SR4 generator equipment.
Cross-reference numbers
- 3N7078
- 3N-7078
3N7078 is the product SKU and part number used for this adapter. The hyphenated form 3N-7078 is also used in the part designation.
Specifications
| Part type | Adapter |
| Connection designation | 3/8 NPT |
| Equipment manufacturer | Caterpillar |
| Applicable equipment categories | Engine-machine, generator, and industrial-engine equipment |
| Listed engine models | 3406, 3406B, 3408, and 3408B |
| Listed generator model | SR4 |
| Weight | 0.2 lb |
| Length | 8.89 cm |
| Width | 15.24 cm |
| Depth | 1.27 cm |
| Part condition | New |
| Part category | Hardware |
The dimensional data is listed as length 8.89 cm, width 15.24 cm, and depth 1.27 cm. The stated weight is 0.2 lb. The supplied product information does not specify the adapter material, mounting position, thread material, sealing arrangement, or any additional components included with the part.




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