Product Overview: Part Names: C4.4 Engine Fuel Common Rail Pipe Part Number: 438-3414 4383414 Application: Designed for Caterpillar C4.4 engines in E312D and E313D excavators, this high-pressure fuel pipe ensures precise fuel delivery for optimal engine performance. Compatible Models: Excavators Caterpillar: E312D, E313D, 311D LRR, 312D L, 314D LCR, 315D L, 319D L, 319D LN, 314D CR, 450E Backhoe Loader compactors: CB44B, CB54B, CP‑44 excavators: M313D, M315D, M315D2 Machine Type: Fuel Injection System, Diesel Engine Function: Distributes high-pressure fuel from the pump to injectors, maintaining stable combustion and efficient power output. Technical Specifications: Type: Common Rail Fuel Pipe Condition: Brand New / OEM Standard Replacement Material: Fuel-resistant steel or alloy for durability at high pressure Operating Temperature: -40°C to 120°C Compatibility: Engineered specifically for Caterpillar C4.4 engines found in E312D and E313D excavator models Warranty & Shipping: Approximately 6-month warranty; globally available with express or sea shipping, MOQ of 1 piece Weight: Approx. 0.5 kg Shipping: Global shipping available | Delivery in 3–5 days