Caterpillar original Fuel Injector 10RO963 229-5918 For Caterpillar  C10 C12 Engine for Mechanical Parts Replacement for OEM 223-5327  10R0963 original new injector

Sourced from the official Caterpillar Reman component program, the 10R-0963 (common search format: 10R0963) is a heavy-duty electronic diesel fuel injector built for reliable service across multiple Caterpillar engine platforms. It serves as a direct replacement for C10, C-10, C12, and C-12 inline 6-cylinder diesel engines, with validated fitment references for 3176C and 3196 engine arrangements subject to serial number verification. It is widely used across heavy-duty truck, construction, mining, industrial power generation, and marine auxiliary engine supply chains, with confirmed cross-reference numbers for streamlined catalog matching.
This remanufactured injector delivers precise fuel metering, consistent injection timing, and a stable atomized spray pattern to support complete, efficient in-cylinder combustion. Built to original CAT engineering specifications, it undergoes performance validation to restore factory-level engine power output, throttle response, cold startability, and fuel efficiency, while reducing abnormal exhaust smoke and cylinder imbalance. Its heavy-duty construction withstands sustained high pressure, temperature, and load demands common in off-highway construction and long-haul fleet operations.
For B2B stakeholders including repair facilities, fleet operators, and aftermarket parts distributors, the 10R-0963 is supported by established core exchange programs and stable reman supply to lower operational costs. Buyers must confirm fitment before ordering by verifying the old injector part number, engine serial number, and arrangement number, especially for 3176C and 3196 applications. For full 6-cylinder overhauls, the matching 10R-9235 injector kit is available as a consolidated 6-piece set.