7C-4567 Diesel Injection Pump For Caterpillar 3116 | OEM Spec Replacement
1. Product:7C-4567
2. Compatible Equipment: Diesel Fuel Injection Systems
3. Manufacturer: Aftermarket OEM Replacement
4. Condition: Brand New, Fully Tested
5. Origin: ABOSEDE Diesel
6. Shipping period: 3-5 business days
7. Payment terms: T/T, Western Union, PayPal
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Product Introduction
In the lifecycle of the legendary Caterpillar 3116 engine, the fuel injection system dictates not just performance, but the very longevity of the powertrain. The 7C-4567 Diesel Injection Pump is not merely a replacement part; it is a calibrated restoration of the engine's original firing integrity. Designed for fleet operators and heavy-duty technicians who demand absolute reliability, this unit addresses the common wear patterns associated with high-hour industrial diesel engines. By strictly adhering to OEM hydraulic specifications, this pump ensures that the transition from mechanical lift to high-pressure injection is seamless, delivering the precise fuel metering required for today's demanding torque profiles.
📊 Critical Technical Data & Compatibility Matrix
Before integration, understanding the precise engineering parameters is vital for compatibility and tuning. The 7C-4567 is engineered to match the specific cam profile and plunger geometry of the 3116 architecture.
OEM Part Number: 7C-4567 (Direct fitment)
Target Engine: Caterpillar 3116 (NA and TA variants)
Pump Configuration: In-line, jerk-pump mechanism
Plunger Diameter: Calibrated for standard 3116 displacement (6.6L)
Governor Type: Mechanical centrifugal with variable speed control
Fuel Specification: Diesel (EN590 / ASTM D975 compliant)
Lubrication: Internal engine oil supply (lube-oil cooled)
Drive Coupling: Splined input shaft (standard industry interface)
🏗️ Metallurgical Advancements in Housing Design
Moving beyond standard casting, the housing of the 7C-4567 utilizes a high-density iron alloy designed to resist micro-fractures caused by thermal cycling. In high-load applications, the injection pump is subjected to immense stress from the engine block's vibration. This unit features reinforced mounting flanges and a rigid cambox structure that maintains precise alignment of the tappet rollers. This structural rigidity is paramount in preventing timing drift, ensuring that the injection event occurs at the exact degree of crankshaft rotation intended by the engine designers.