The CTS Turbo Stage 3.5 fuel pump kit for MQB-platform vehicles with the EA888.3 engine uses an integrated Walbro 525 l/h pump, compatible with E85 fuel and supporting more than 600 hp.
The TFSI fuel system uses two separate pumps: a low-pressure fuel pump (LPFP) and a high-pressure fuel pump (HPFP). While several upgrades are available for the HPFP, there are fewer options for improving the low-pressure system. The CTS Turbo kit is a complete solution for upgrading the low-pressure fuel system.
Important: the fuel pump basket must be modified before installation. Baskets differ between versions, so installation should be carried out by an experienced installer.
The Torqbyte controller is an optional but highly recommended component. Engine software tuning is also required.
Product details
- Genuine high-performance in-tank Walbro 525 l/h HELLCAT fuel pump, compatible with E85 fuel
- Genuine Walbro filter sock; may not fit all fuel pump basket versions
- CNC-machined black anodised CTS pump adapter
- CNC-machined black CTS pump spacers
- CNC-machined black CTS pump venturi tube spacer
- Viton O-ring
- Nylon wire crimp connectors
- Drill bits
- Stainless steel fasteners
Compatibility with MK7/MK7.5 EA888.3 MQB vehicles
The kit is intended for VW Golf, VW GTI, VW Golf R, Audi A3 and Audi S3 vehicles with the EA888.3 engine on the MQB platform.
The following VW fuel pumps are compatible: 5Q0919051BK, 5Q0919051BM.
Suitable for: Audi A3 III (8V), Audi S3 III (8V), VW Golf VII (5G1).
Compatible vehicles (manufacturer data)
| Vehicle | Chassis | Years | Engine |
|---|---|---|---|
| Audi A3 | — | 2015–2020 | — |
| Audi S3 | — | 2015–2020 | — |
| Volkswagen Golf R | — | 2015–2019 | — |
| Volkswagen GTI | — | 2015–2020 | — |
Before ordering, check that the product matches your vehicle (model, year and engine). If in doubt, write to us — we will check for you.
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