Caterpillar original Diesel Fuel Injector 10R-0782 Machinery Parts Fits D5N D6N IT38G Excavator 10R-1257 Fuel Injector for Engine 10R-9237 Replacement for Compatible OEM Parts original new injector

For B2B industrial parts distributors and engine service operators, this CAT-branded fuel injector falls under the 3126 product series and is a remanufactured replacement component built for HEUI diesel fuel systems. Carrying the official OE part number 10R-1257, it is a diesel-specific injector designed to perform the core function of delivering pressurized, metered fuel to support engine combustion cycles. It is offered as an original reman unit to meet replacement part sourcing needs for industrial diesel engine setups.

This injector supports cross-referencing across a comprehensive set of interchange part numbers, including hyphenated and non-hyphenated variants of 178-6342, 177-4762, 229-5928, and 177-4752, plus 10R1257 and 101257. The multiple interchange identifiers simplify part matching for procurement teams and service technicians, resolve discrepancies between different catalog numbering conventions, and streamline bulk ordering processes for B2B customers managing large parts inventories.

As part of the CAT 3126 injector product line, this replacement component is intended for diesel fuel system applications. B2B buyers are advised to cross-check all relevant part numbers and confirm product series alignment prior to placing orders, to ensure the component matches their specific sourcing requirements. It serves as a reman replacement option for businesses stocking parts for diesel engine service and repair operations.