High Pressure Fuel Pump HFS85301 06F127025N for Audi A3 Seat Altea Leon Volkswagen Eos Golf Jetta Passat Touran
This fuel pump is engineered as a direct replacement for the Audi A3 Seat Altea Leon Volkswagen Eos Golf Jetta Passat Touran. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Seat Altea Leon | See product specifications |
| VW EOS (1F7, 1F8) 2.0 FSI 03/2006 | 05/2008 1984 110 150 BVY; BVZ Convertible |
| VW GOLF PLUS (5M1, 521) 2.0 FSI 05/2005 | 06/2008 1984 110 150 BLY; BLR; BVY; BVZ Hatchback |
| VW GOLF V (1K1) 2.0 FSI 01/2004 | 11/2008 1984 110 150 AXW; BLX; BLY; BLR; BVY; BVZ; BVX Hatchback |
| VW GOLF V (1K1) 2.0 FSI 4motion 08/2004 | 11/2008 1984 110 150 BLX; BVX Hatchback |
| VW JETTA III (1K2) 2.0 FSI 08/2005 | 10/2010 1984 110 150 BLX; BLY; BLR; BVY; BVZ Sedan |
| VW PASSAT (3C2) 2.0 FSI 03/2005 | 07/2010 1984 110 150 BLY; BLR; BVY; BVZ Sedan |
| VW PASSAT (3C2) 2.0 FSI 07/2005 | 07/2010 1984 147 200 AXX; BWA; BPY; CAWB; CCTA; CBFA; CCZA Sedan |
| VW PASSAT (3C2) 2.0 FSI 08/2007 | 07/2010 1984 125 170 CCTB Sedan |
| VW PASSAT (3C2) 2.0 FSI 4motion 09/2005 | 07/2010 1984 110 150 BLX; BLY; BVX Sedan |
| VW PASSAT Variant (3C5) 2.0 FSI 08/2005 | 11/2010 1984 110 150 BLY; BLR; BVY; BVZ Wagon |
| VW PASSAT Variant (3C5) 2.0 FSI 08/2005 | 11/2010 1984 147 200 AXX; BWA; BPY; CAWB; CCTA; CBFA; CCZA Wagon |
Replaces OEM Part Numbers
HFS85301 • 06F127025N • 06F127025D • 06F127025A • Application • following • models • Hatchback • Sportback • ALTEA • TOLEDO • SKODA
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the fuel pump may be the cause:
- Engine cranks but won’t start — The pump may have lost prime or stopped delivering fuel. Check for fuel at the filter outlet before replacing the pump.
- Stalling under load — A weak pump can’t maintain pressure at high demand. The engine runs fine at idle but dies when you put it to work.
- Fuel pressure warning (if equipped) — Modern equipment monitors fuel rail pressure. A low-pressure warning often means the pump is failing.
- Loud whining from fuel system — A failing pump makes a high-pitched whine that gets louder as it warms up. Normal pump noise is a low hum.
- Air in fuel lines — If you see bubbles in the transparent fuel line or the primer bulb won’t stay firm, the pump may be drawing air through a worn seal.
- Excessive return flow — Too much fuel returning to the tank instead of reaching the injectors indicates internal pump wear.
Before You Replace the Pump
Before replacing the pump, check the fuel filter and fuel lines for restrictions. A blocked filter causes the same symptoms as a failing pump on equipment. When installing the new pump, fill it with clean fuel before connecting the lines — this reduces priming time and prevents dry-run damage. After installation, bleed the system fully and check for leaks at all connection points. Replace the fuel filter at the same time as the pump to protect the new unit from debris.
Frequently Asked Questions
Which Audi models does this part fit?
Refer to the Vehicle Compatibility table above for the full list of Audi models. Each listing includes the body type, engine, and production years. Match your vehicle’s engine code (stamped on the engine block) against the listed codes to confirm.
Can I cross-reference HFS85301 with 06F127025N?
Yes. Both HFS85301 and 06F127025N are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
How long does a Audi fuel pump typically last?
Fuel pump life varies by application, but on Audi equipment you can generally expect 5,000 to 10,000 hours of operation. Running the tank dry, using contaminated fuel, or neglecting the fuel filter are the top causes of premature failure.
What tools do I need to install this on a Audi?
Standard metric hand tools will handle most of the job – sockets, wrenches, and a torque wrench. For Audi equipment, check the specific service manual for any special tools or torque values.
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