WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.The APR High Pressure Fuel Pump Rebuild (MS10062) is a premium fueling upgrade for the 2.5 TFSI (Gen 1) and other Hitachi Gen III-equipped engines. This service increases the maximum fuel volume delivery by 30% over stock, enabling the direct injection system to support high-horsepower builds and ethanol (E85) requirements. By increasing the internal bore diameter of the pressurizing cylinder, APR ensures that fuel pressure remains steady at a maximum of 145 bar, even during the high-demand mid-range RPMs where the factory pump typically struggles.
Every pump is rebuilt in-house using medical-grade precision machinery to achieve tolerances as tight as .00004". The plunger is crafted from heat-treated bearing-grade stainless steel with a Diamond-Like Coating (DLC) for extreme surface hardness. To ensure 100% reliability, every rebuilt unit is machine-tested on APR's specialized rig to verify seal integrity and solenoid function before being shipped back to the customer.
Performance & Engineering:
- 30% Volume Increase: Significantly expands the fueling ceiling for Stage 2+ and big turbo applications.
- DLC Coated Plunger: Provides ultra-reliable operation and reduces friction against the barrel.
- Unmatched Precision: Dimensional tolerances of .00004" and geometric tolerances of .00005" ensure a perfect fit and long service life.
- Weight-Matched Spring: Each unit is supplied with a specific spring to prevent "pump float" caused by the increased mass of the upgraded internals.
- Hitachi OEM Foundation: Built using genuine German-made Hitachi pump bodies to maintain factory-level reliability.
- Pre-Tested Reliability: Rig testing eliminates the risk of out-of-the-box failures or camshaft damage due to a seized pump.
IMPORTANT NOTE: This is a REBUILD SERVICE ONLY.
- You must send your functional factory HPFP to APR's facility for the upgrade.
- The pump body and solenoids must be in working order and free of damage.
- Packaging: Ensure the pump is packaged securely; the solenoid connectors are fragile and easily damaged during transit.
Software Note: Specific ECU calibration is required to properly utilize the increased fuel displacement of this pump. APR offers compatible software for most 2.5T platforms.
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