Caterpillar original Common Rail Fuel Injector 188-1320 for Caterpillar 3126b 3126e C7 7.2L engines, Replacement for OEM 0R-9348, fit for 1995-2004 Construction Machinery Parts original new injector

For B2B buyers serving heavy-duty engine repair, rebuild and industrial maintenance sectors, this CAT-branded 3126-series HEUI diesel fuel injector assembly is a replacement component specified for diesel engine fuel injection system applications. Designed as an original-type replacement aligned with referenced part number specifications, it carries the core OE part number 188-1320 and is compatible with 3126, 3126B and 3126E HEUI diesel engine platforms. It functions as a core fuel delivery component within the HEUI fuel system category.

This injector supports an extensive list of cross-reference part numbers to cover common alternative part requests for the same application. Supported cross-reference numbers include formatted variants of the base OE number (1881320, CA1881320), 0R-9348 series, 222-5965 series, 173-4566, 173-9379, 145-9360, 155-1819, 173-1012, plus EX639348 and 09348. This broad cross-coverage lets distributors, rebuild shops and fleet teams consolidate inventory SKUs while fulfilling diverse customer replacement needs for 3126-series fuel systems.

It supports standard engine service use cases including routine maintenance, fault-based part replacement, full engine rebuilds and fuel system overhauls, with suitability for medium-duty truck engines, heavy equipment power systems and industrial engine setups aligned with 3126 HEUI specifications. Tailored for B2B sourcing workflows, it meets the part matching requirements of industrial parts wholesalers, specialized engine repair facilities, heavy equipment service providers and in-house fleet maintenance teams.