The c-aterpillar 3412 series fuel injector, part number 232-1166 (also referred to as 2321166), is a high-performance OEM-compatible fuel injector specifically engineered for c-aterpillar 3412 series diesel engines, with excellent compatibility with 3412E, 1390, 1190, 1190T, and 2390 series engines[14]. Manufactured in strict accordance with c-aterpillar’s rigorous quality standards, compliant with ISO 9001 and TS 16949 certific-ation standards[13], and crafted through precision machining and strict factory testing, this injector adopts advanced common rail injection technology to achieve precise control over fuel injection quantity, timing, and atomization. It is widely applied in construction machinery, excavators, and other heavy-duty equipment powered by c-aterpillar 3412 series engines[16], delivering reliable power support, improving fuel economy, and effectively extending engine service life. As a cost-effective and durable replacement option, it supports flexible order quantities (MOQ starting from 1 piece for individual orders and 6 pieces for bulk purchases[13][14]), offers a 6-month to 1-year warranty[13][14], and provides fast delivery within 3-5 working days after payment to minimize equipment downtime[13].

1. Core Technical Specific-ations

2. Compatible Machines & Applic-ation Scenarios

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1.We have brand packages (for the piston, injector etc.)

wooden box (for crankshaft, camshaft, cylinder parts etc.)

It depends on your requirement.

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