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HPFP Hitachi + Piston Upgrade 4.2FSI RS5 B8 / A8 D4

Brand Dynaparts Reference DP-ENG-FUEL-VAG-20

HPFP Hitachi + Piston Upgrade 4.2FSI RS5 B8 / A8 D4

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Estimated restock lead time
Expected delivery to you on Oct 21, 2026
This lead time is an estimate and may change due to circumstances beyond our control

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Hitachi high-pressure fuel pump with pre-fitted PISTON 4.2FSI RS5 B8 / A8 D4

Our OEM-quality pump (official OE supplier) is paired with our piston, which has on average 20% more material than the original. Our reinforced pistons withstand a pressure of 190 bar.

Made from high-strength steel, machined then ground, they are shot-peened, hardened and given a surface treatment for lubrication.

  • Certified E85 compatible.

Compatibility example:

  • Audi RS5 B8 4.2FSI 450 hp
  • Audi A8 D4 4.2FSI 371 hp
  • Audi A8 W12 6.3L 500 hp

Filter by part type Engine: Pumps/Fuel System
Product family: Engine
Engine Fuel Pumps
Produit mis à jour le: 2026-10-05 14:53:02