Caterpillar original C3500 Series Diesel Engine Fuel Injector 7W-2269, Cross Reference 0R-1759, for Gen Set Engine, Replacement for OEM Parts original new injector

The Caterpillar CAT 3512A 7W-2269 is an industrial-grade high-pressure diesel fuel injector assembly engineered to meet or exceed OEM performance criteria for CAT 3500 Series engines, with primary fitment for 3512A engines and related 3512 variants. It is a genuine original new component, with core OE number 7W-2269 (alternate non-hyphen catalog format 7W2269) and cross-reference codes for seamless global B2B parts procurement matching. Buyers must confirm compatibility via engine serial number before placing orders.

Designed for standard large diesel high-pressure fuel injection systems, the injector uses precision internal spring and plunger mechanisms to deliver fuel at exact camshaft-synchronized timing, while its fine-machined nozzle creates a uniform atomized spray pattern. This optimized combustion supports consistent engine output, improved fuel economy, reduced harmful emissions, enhanced torque response, extended engine service life, and longer maintenance intervals. The assembly is tested to withstand harsh industrial conditions for predictable long-term performance.

It supports demanding heavy-duty use cases across mining, power generation, marine, oil and gas, and construction sectors, for equipment including haul trucks, industrial gensets, commercial vessels, drilling rigs, excavators and cranes. Pre-installation requirements include maintaining clean workshop conditions, flushing fuel lines and tanks, replacing fuel filters, and inspecting injector cups and seats to support optimal operation.