CAT 134-0467 High-Pressure Fuel Pump – Precision Flow Matching for 3406E and Early C15 Common-Rail Systems
1. Product:134-0467
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
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
In the common-rail system, the high-pressure pump is not a standalone component-it is part of a carefully calibrated hydraulic network that includes the injectors, the rail, and the ECM's fuel mapping. Each engine platform has a specific fuel demand profile, determined by the injector flow rates, the rail pressure requirements, and the injection timing strategy. If the pump delivers more flow than the engine requires, the excess fuel is returned to the tank through the pressure relief valve, generating unnecessary heat and reducing the system's efficiency. If the pump delivers less flow than required, the rail pressure drops, triggering derates and power loss. The CAT 134-0467 is a flow-matched high-pressure pump specifically calibrated for the 3406E and early C15 engines, delivering a flow rate of 55–75 L/h at 1,400 bar-precisely matching the fuel demand of these platforms. The result is a pump that operates within the ECM's control window, maintaining stable rail pressure without excessive return flow or pressure relief.
Flow Calibration – The Pump's Performance Profile
The 134-0467 is a high-pressure fuel pump with the following specifications:
Type: Radial three-plunger, cam-driven
Flow rate: 55–75 L/h at 1,400 bar rail pressure
Maximum rail pressure: 1,500 bar
Plunger diameter: 5.8 mm
Plunger stroke: 4.0 mm
Drive: Camshaft-driven, gear-coupled
Fuel inlet pressure: 4–6 bar (from transfer pump)
Housing: Ductile iron
Plunger material: Nitride-hardened steel (1,000 HV)
Cam material: Case-hardened alloy steel (58 HRC)
Flow Matching – The Key to System Efficiency
The 134-0467's flow calibration is matched to the 3406E and early C15 fuel systems, ensuring that the pump delivers the correct flow for the injector flow rates and rail pressure requirements. This matching provides the following benefits:
Rail pressure stability: Maintains rail pressure within ±50 bar of the commanded value
Reduced return flow: Minimises the fuel returned to the tank, reducing heat generation
Improved efficiency: Lower pumping losses improve the fuel economy by 1–2%
Extended component life: Reduced pressure relief valve operation extends the valve's service life