3016663 Spark Plug fit Caterpillar
3016663 Spark Plug fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
3016663 Spark Plug for Caterpillar
3016663 is a spark plug used in Caterpillar equipment, including G3500-series industrial and petroleum engines and SR4/SR4B generator systems. It is intended for the G3500 EIS application and is used to ignite the compressed air-fuel mixture in the engine cylinder.
This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The spark plug is listed for the following Caterpillar engine and generator models:
- Petroleum products: G3520B
- Industrial engines: G3508, G3508B, G3508J, G3512, G3512B, G3512J, G3516, G3516B, G3516J, G3520B, G3616, G3520J
- Generators: SR4, SR4B
The listed applications cover Caterpillar G3500-series engines with the G3500 EIS configuration, as well as the specified SR4 generator models. Model designation and equipment configuration should be checked before installation because the same engine series may be used in different applications.
Cross-reference numbers
| SKU | 3016663 |
| Part number | 301-6663 |
3016663 and 301-6663 refer to the same spark plug identification used for the listed Caterpillar applications.
Specifications
| Part type | Spark plug |
| Equipment brand | Caterpillar |
| Application | G3500 EIS |
| Installation function | Ignition of the compressed air-fuel mixture |
| Interelectrode gap | Gap setting is specified as an application parameter; the exact value is not provided in the available product data |
| Weight | 0.3 lb |
| Length | 3 cm |
| Width | 3 cm |
| Depth | 12.5 cm |
The dimensions and weight correspond to the product data for this SKU. The available data does not specify thread size, electrode material, heat range, terminal design, or the exact interelectrode gap value, so these parameters are not stated here.

























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