Volkswagen T-Roc Fuel Pump: Specs, Fitment & Common Faults
A genuinely important distinction for TSI petrol T-Rocs, plus what diesel owners should know about a real metal contamination risk in the fuel pump.
OEM Part Numbers
Two Pumps, Two Very Different Failure Patterns — And a Genuine FSI vs TSI Distinction — Volkswagen T-Roc Fuel Pump
Modern VW petrol and diesel engines with direct injection use two separate fuel pumps working together: a low-pressure pump inside the tank (accessed from under the rear seat), and a high-pressure pump mounted on the engine itself. A whining noise specifically from the rear seat area points to the in-tank low-pressure pump; hesitation, loss of power, or hard starting points more toward the engine-mounted high-pressure pump instead — correctly identifying which one is at fault matters, since the high-pressure pump is considerably more expensive to replace.
If your car is diesel-engined, it's worth knowing about a genuinely serious, documented issue: metal filings (swarf) generated internally within a failing high-pressure pump can contaminate the entire fuel system — injectors, fuel lines, and the tank itself — turning what looks like a straightforward pump replacement into a full fuel system rebuild. Real cases have seen this escalate to repair bills in the thousands once contamination is confirmed throughout the system. If a high-pressure pump has failed on a diesel, insisting on a proper check of the injectors and fuel lines for metal contamination — rather than simply fitting a new pump and hoping for the best — is a genuinely worthwhile precaution, even though it adds to the initial cost.
A Part That Fails at the Worst Possible Moments
Few component failures are as inconveniently timed as this one — it has a habit of stranding drivers mid-journey rather than giving a clean warning while the car is safely parked. Knowing the early signs buys valuable time to get it sorted before that happens.
What It Does
The fuel pump draws fuel from the tank and delivers it to the engine at the pressure required for proper combustion. Almost all modern versions sit inside the fuel tank itself, submerged in fuel, which is partly why access for replacement is more involved than the part's small size might suggest.
Generations & Engines: Fuel Pump Type
| A11 (2017–present), 1.0/1.5 TSI petrol | Petrol (direct injection): in-tank low-pressure pump plus a separate engine-mounted high-pressure pump |
|---|---|
| A11 T-Roc R (2019–present), 2.0 TSI petrol | Petrol (direct injection): in-tank low-pressure pump plus a separate engine-mounted high-pressure pump |
| A11 (2017–present), 2.0 TDI diesel | Diesel: in-tank lift pump feeds a separate engine-mounted high-pressure injection pump (common rail) — never interchangeable with the petrol pump |
Shop for This Part on eBay
VOLKSWAGEN T-ROC MK1 1.0 PETROL IN TANK FUEL PUMP SENDER UNIT 5WA919051A
GBP 24.90
VOLKSWAGEN T-ROC FUEL PUMP 1.5 PETROL 05E127027L MK1 2022-2025
GBP 36.00
VW T-ROC 1.0 TSI MK1 CB 2017-2022 High Pressure Fuel Pump 05E127027G
GBP 29.50
Volkswagen T-roc Life Tsi Dsg 2017-2023 1498 Fuel Pump (in Tank) 5WA919051A N73
GBP 29.99
VOLKSWAGEN T-ROC 1.0 TSI 2025-2026 HIGH PRESSURE FUEL PUMP F8
GBP 55.00
VOLKSWAGEN T-ROC MK1 FUEL TAK PUMP 5WA919051 2025
GBP 11.99
VOLKSWAGEN T-ROC SEL MK1 FUEL PUMP SENDER UNIT 1.5 PETROL TSI 5WA919051A 2018
GBP 34.99
VOLKSWAGEN T-ROC A11 MK1 Fuel Pump 05E127027G 1.0 Petrol 85kW 2023 34357155
GBP 100.00
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Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Fuel Pump Guide for symptoms to watch for (including the low-pressure vs high-pressure distinction on direct-injection engines), confirming fitment against your VIN, and OE suppliers worth knowing.
More Volkswagen Fuel Pump
The same part, covered across other Volkswagen models.