Fuel Level Sensor / Tank Sending Unit
- Mfg Part #
- 3B0919673R 3B0919673R
- ECS Part #
- ES#4855594
- Brand
-
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Product Details
On the Volkswagen Passat B5 and B5.5 (1998–2005), accurate dashboard fuel range and fuel gauge readings rely on the in-tank Fuel Level Sensor / Sender for Fuel Gauge (Sensor G). Submerged continuously inside the fuel tank, this float-arm potentiometer clips directly to the plastic reservoir of the electric fuel pump delivery module. Part number 3B0919673R (manufactured by German automotive electronics specialist VEMO, trade reference V10-09-1334) is an OEM-specification direct replacement for superseded factory part numbers 3B0919673F, 3B0919673Q, and 8E0919673.
Over decades of service and hundreds of thousands of miles, the factory in-tank fuel sender experiences predictable electrical degradation:
Resistor Card Wear & Sulfur Corrosion: Modern ethanol-blended pump fuels (E10/E15) contain active sulfur compounds. Over time, these corrosive elements attack the silver-palladium conductive traces on the ceramic board. As the metal wiper sweeps back and forth across worn contact traces, the circuit develops open dead spots. Symptoms include a fuel gauge needle that drops dead to empty with a full tank of gas, erratic jumping across the gauge sweep, or inaccurate range estimates on the dashboard digital display.
Premature Low-Fuel Alarms: An open circuit in the sensor resistance card registers as maximum electrical resistance. The instrument cluster (Address 17) interprets this as a completely dry tank, sounding the low-fuel warning chime and illuminating the low-fuel warning icon even after filling up at the gas station.
Saturated or Stuck Floats: Age and ethanol degrade lesser-grade plastic and foam floats, allowing fuel to saturate the internal core. The float loses buoyancy, sinks to the floor of the fuel tank, and leaves the fuel gauge stuck on "Empty."
Diagnostic Trouble Codes (DTCs): A degraded or open-circuit fuel sending unit logs persistent trouble codes in Address 17 (Instrument Cluster) and Address 01 (Engine Control Module):
00771 / 00771 030 – Fuel Level Sensor (G): Open Circuit / Short to Plus
00771 029 – Fuel Level Sensor (G): Short to Ground
P0463 / 16847 – Fuel Level Sensor Circuit: High Input
P0462 / 16846 – Fuel Level Sensor Circuit: Low Input
P0461 / 16845 – Fuel Level Sensor Circuit: Range / Performance Malfunction
Standalone Sensor Solution: Dealerships and factory parts catalogs often bundle this sender with the expensive complete electric fuel pump module (3B0919051C). This VEMO unit allows repair shops and owners to replace solely the failed electrical sender without paying for an unnecessary fuel pump.
Features & Specs:
German Quality by VEMO / Vierol AG: Precision thick-film variable resistor board matching factory OEM Ohm calibration for accurate gauge sweep.
Sulfur-Resistant Multi-Finger Wiper: High-grade precious metal wiper contacts prevent sulfur gumming and oxidation across ethanol fuels.
Closed-Cell Buoyancy Float: Engineered from high-density NBR material to resist fuel absorption, expansion, and degradation over vehicle life.
Drop-In Clip Retention: Pre-formed sliding guides snap onto original VDO pump baskets with no modifications or soldering required.
- 3B0 919 673 F
- 3B0 919 673 Q
- 3B0 919 673 R
- 8E0 919 673
- 3B0919673F
- 3B0919673Q
- 8E0919673
- V10-09-1334
- 3B0919673R
This Part Fits the Following Vehicles
| Make | Model | Submodel | Engine | Special Fitment Notes |
|---|---|---|---|---|
| Volkswagen | Passat B5 | 4 Motion | 1.8T | Use vehicle selector to confirm fitment |
| Volkswagen | Passat B5 | 4 Motion | V6 30v | Use vehicle selector to confirm fitment |
| Volkswagen | Passat B5 | 4 Motion | W8 | Use vehicle selector to confirm fitment |
| Volkswagen | Passat B5 | FWD | 1.8T | Use vehicle selector to confirm fitment |
| Volkswagen | Passat B5 | FWD | TDI | Use vehicle selector to confirm fitment |
| Volkswagen | Passat B5 | FWD | V6 30v | Use vehicle selector to confirm fitment |
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Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.
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