Description
High volume HPFP internals for the EA839 3.0T V6 in the B9 S4 and related Audi applications. Part of Autotech’s HPFP range, made in California with a lifetime warranty.
Key Features:
- Match-ground and serialised: Each piston and cylinder is precision-ground repeatedly through manufacture and paired as a set, not assembled from batch parts.
- Plasma DLC coating: Autotech were first to apply diamond-like carbon to HPFP internals to cut friction. The coating works because the parts are engineered around the process rather than coated afterwards.
- Removes the pump as a limit: Flow headroom of up to 50% over the factory pump, so fuel delivery stops being the constraint even on large turbo upgrades.
- Tuner-supported: HPFP-specific calibrations are widely available, so the hardware has software behind it.
- Lifetime warranty: Autotech warrant their parts to the original purchaser for the life of the vehicle they are fitted to.
Fitment:
- Audi B9 S4 3.0T EA839
- Audi B9 S5 3.0T EA839
- Other EA839 3.0T V6 applications
The B9 S4 EA839 three-prong fuel pump tool is required for installation and is sold separately.
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