Coolant Temperature Sensor HART 509 270
Sensor Coolant Temperature HART 509 270. Fits 44 car models (AUDI, FORD, SEAT +1), 1975–2010. Replaces 4 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- HART
- Category
- Sensor Coolant Temperature
- MPN
- 509 270
- SKU
- 5251-509 270
- GTIN / EAN
- 5907643077558
- What's included
- 1x Sensor Coolant Temperature
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
- FORD1 669 949
- SEAT / VW251 919 501 A
- AUDI / SEAT / VW251 919 501 D
- FORD95VW-10884-BA
Compatible cars. AUDI, FORD, SEAT +1, 44 models.
Matched from the manufacturer's data. Production years 1975–2010.
Sensor Coolant Temperature for AUDISensor Coolant Temperature for FORDSensor Coolant Temperature for SEATSensor Coolant Temperature for VW
| Model | Engines | Years |
|---|---|---|
| AUDI4 models | ||
| AUDI 80 B3 Saloon (893, 894, 8A2) | 1.6 TD, 1.9 D | 1986–1991 |
| AUDI 80 B4 Avant (8C5) | 1.9 TD, 1.9 TDI | 1991–1996 |
| AUDI 80 B4 Saloon (8C2) | 1.9 TD, 1.9 TDI | 1991–1995 |
| AUDI 90 B3 (893, 894, 8A2) | 1.6 TD | 1987–1991 |
| FORD2 models | ||
| FORD GALAXY I (WGR) | 2.8 i V6, 2.8 i V6 4x4 | 1995–2006 |
| FORD GALAXY MK I VAN (WGR) | 2.8 | 1995–2006 |
SEAT4 models
| Model | Engines | Years |
|---|---|---|
| SEAT ALHAMBRA (7V8, 7V9) | 1.9 TDI, 2.0 i | 1996–2010 |
| SEAT ALHAMBRA VAN (7V8, 7V9) | 1.9 TDI, 2.0, TDI | 1996–2010 |
| SEAT IBIZA II (6K1) | 1.0, 1.3 i | 1993–2002 |
| SEAT TOLEDO I (1L2) | 1.6 i, 1.8 16V, 1.8 i, 2.0 i | 1991–1999 |
VW34 models
| Model | Engines | Years |
|---|---|---|
| VW CADDY I (14) | 1.5, 1.6, 1.6 D, 1.8 | 1979–2008 |
| VW CORRADO (53I) | 1.8 G60 | 1987–1995 |
| VW DERBY (86C, 80) | 1.3 | 1981–1984 |
| VW GOLF I Cabriolet (155) | 1.3, 1.6, 1.8 | 1979–1993 |
| VW GOLF II (19E, 1G1) | 1.0, 1.3, 1.3 Cat, 1.6, 1.6 D, 1.6 TD, 1.8, 1.8 GTI, 1.8 GTI 16V, 1.8 GTI Cat, 1.8 GTI G60, 1.8 GTI G60 Syncro, 1.8 i Cat, 1.8 i Cat Syncro, 1.8 Syncro | 1983–1992 |
| VW GOLF II Van (19E, 1G1) | 1.6 D, 1.8 i | 1983–1991 |
| VW GOLF III (1H1) | 1.8, 1.8 Syncro (1HX1), 2.0 | 1989–2000 |
| VW GOLF III Cabriolet (1E7) | 1.8, 2.0 | 1993–1998 |
| VW GOLF III Van (1H1) | 1.8 | 1991–1997 |
| VW GOLF III Variant (1H5) | 1.8, 1.8 Syncro, 2.0 | 1993–1999 |
| VW JETTA II (19E, 1G2, 165) | 1.3, 1.3 Cat, 1.6, 1.6 D, 1.6 TD, 1.8, 1.8 16V, 1.8 Cat, 1.8 Syncro | 1983–1992 |
| VW LT 28-35 I Bus (281-363) | 2.4 i | 1975–1996 |
| VW LT 28-35 I Platform/Chassis (281-363) | 2.4 i | 1975–1996 |
| VW LT 28-35 I Van (281-363) | 2.4 i | 1975–1996 |
| VW LT 40-55 I Platform/Chassis (293-909) | 2.4 i | 1975–1996 |
| VW LT 40-55 I Van (291-512) | 2.4 i | 1975–1996 |
| VW PASSAT B2 (32B) | 1.6, 1.6 D, 1.6 TD, 1.8 | 1979–1989 |
| VW PASSAT B2 Saloon (32B) | 1.6, 1.6 D, 1.6 TD, 1.8 | 1982–1989 |
| VW PASSAT B2 Variant (33B) | 1.6, 1.6 D, 1.6 TD, 1.8, 1.8 Syncro | 1980–1989 |
| VW PASSAT B3/B4 (3A2, 35I) | 1.6, 1.6 TD, 1.8, 1.8 16V, 1.8 G60 Syncro, 1.9 D, 1.9 TD, 2.0, 2.0 16V, 2.0 Syncro, 2.8 VR6 | 1988–1997 |
| VW PASSAT B3/B4 Variant (3A5, 35I) | 1.6, 1.6 TD, 1.8, 1.8 16V, 1.8 G60 Syncro, 1.9 D, 1.9 TD, 2.0, 2.0 16V, 2.0 Syncro, 2.8 VR6, 2.9 VR6 Syncro | 1988–1997 |
| VW POLO CLASSIC (86C, 80) | 1.0, 1.3, 1.3 Cat, 1.3 D, 1.4 D | 1985–1994 |
| VW POLO Coupe (86C, 80) | 1.0, 1.0 Cat, 1.1, 1.3, 1.3 Cat, 1.3 D, 1.3 G40, 1.4 D | 1981–1994 |
| VW POLO Hatchback Van (86CF) | 1.0, 1.3, 1.4 D | 1992–1994 |
| VW POLO II (86C, 80) | 1.0, 1.0 Cat, 1.1, 1.3, 1.3 Cat, 1.3 D, 1.4 D | 1981–1994 |
| VW POLO III (6N1) | 45 1.0 | 1994–1999 |
| VW POLO Van Hatchback Van (6N1) | 1.0 | 1994–1999 |
| VW SCIROCCO (53B) | 1.3, 1.6, 1.8, 1.8 16V | 1980–1992 |
| VW SHARAN (7M8, 7M9, 7M6) | 1.8 T 20V, 1.9 TDI, 1.9 TDI 4motion, 2.0, 2.0 LPG, 2.0 TDI, 2.8 V6 24V, 2.8 V6 24V 4motion, 2.8 VR6, 2.8 VR6 Syncro | 1995–2010 |
| VW SHARAN VAN (7M) | 1.9 TDI (7M6, 7M9), 1.9 TDI (7M8, 7M9), 1.9 TDI (7M8), 1.9 TDI (7M9), 2.0 (7M8, 7M9), 2.8 VR6 (7M8), 2.8 VR6 (7M9) | 1995–2010 |
| VW TRANSPORTER T4 Bus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) | 1.9 D, 1.9 TD, 2.4 D, 2.4 D Syncro, 2.5, 2.5 Syncro, 2.8 VR 6, 2.8 VR6 | 1990–2004 |
| VW TRANSPORTER T4 Platform/Chassis (70E, 70L, 70M, 7DE, 7DL, 7D | 1.9 D, 1.9 TD, 2.4 D, 2.4 D Syncro, 2.5, 2.5 Syncro | 1990–2003 |
| VW TRANSPORTER T4 Van (70A, 70H, 7DA, 7DH) | 1.9 D, 1.9 TD, 2.4 D, 2.4 D Syncro, 2.5, 2.5 Syncro, 2.8 VR6 | 1990–2003 |
| VW VENTO (1H2) | 1.8 | 1991–2000 |
Always verify compatibility with your vehicle before ordering.
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We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10
