Caterpillar original Diesel engine injector assembly common rail injector replacement for OEM 198-4752, for heavy duty diesel engine application, fits CAT3126 diesel engine original new injector

As a CAT-branded engine component belonging to the 3126 product series, the 198-4752 diesel fuel injector is an original-type GP-F fuel injector assembly designed for replacement use on 3126, 3126B and 3126E diesel engines. It carries the official primary OE part number 198-4752, with 1984752 as the equivalent non-hyphenated format of the same identifier. Classified as an original-quality replacement part, it is purpose-built for professional industrial engine repair and B2B parts distribution channels.

This injector features a comprehensive cross-reference number library aligned with common replacement part databases for 3126 series fuel injectors. The full interchange list includes both hyphenated and non-hyphenated iterations of all supported part numbers, covering alternate OE service identifiers, aftermarket numbering conventions and regional catalog codes to match varying inventory labeling and procurement system requirements. This broad cross-compatibility simplifies part lookup for sourcing teams and reduces the risk of incorrect part selection during bulk purchase orders.

Rated for heavy-duty diesel engine repair applications, this injector fits a wide scope of equipment across construction, truck, industrial engine and generator equipment segments. It serves as an OE alternative replacement for 3126 series engine service, supporting repair facilities, equipment operators and wholesale parts resellers in industrial and mobile equipment markets. Its standardized part identification also supports streamlined inventory categorization for B2B buyers.