BRAND NEW *OEM Quality* coolant temperature sensor for Holden Epica EP 2.0L/2.5L petrol and 2.0L turbo diesel, 2007 - 2011.

A failing coolant temperature sensor on the Epica's V6 can unbalance fuel trims across all six cylinders, showing up as a rough idle and higher fuel use that's often mistaken for a bigger engine problem. This direct-fit replacement restores accurate ECU readings and is dispatched same-day from our Cranbourne VIC warehouse.

TO SUIT

Fits the Holden Epica EP sedan built 2007 - 2011, across the 2.0L X20D1 and 2.5L X25D1 V6 petrol engines and the 2.0L Z20S1 turbo diesel. This sensor is also confirmed for other GM-platform models including the Vectra, Captiva, Barina Spark, Astra and Combo - check the vehicle compatibility list on this listing for your exact model and year.

FITMENT CHECK

This sensor uses a 2-pin rectangular connector and is supplied without a wiring pigtail - reuse your original harness plug.

OEM PART NUMBERS

96815490
96325864
96279857
96253551
7700743684 (Renault)
34478826 / 3447882 (Volvo)

OTHER PART NUMBERS

VEMO: V46-72-0030-1
DELPHI: TS1046
WALKER PRODUCTS: 211-1126
GOSS: CS853
OEX: OCS51

PACKAGE INCLUDES

1 x Coolant Temperature Sensor - 2-pin rectangular connector, sold without wiring pigtail.

ABOUT THIS SENSOR

The coolant temperature sensor measures engine coolant temperature and feeds this data to the ECU, which uses it to manage fuel injection timing and cooling fan operation. On the Epica's V6, the ECU leans more heavily on this reading for cold-start fuel enrichment across six cylinders than a typical 4-cylinder engine.

A failing sensor on the Epica commonly causes rough idle or uneven running on the petrol V6, or hard cold starts and excess smoke on the Z20S1 diesel.

COMMON SYMPTOMS OF FAILURE

Check engine light with fault code P0116, P0117 or P0118
Rough idle or uneven running across the V6 (X20D1/X25D1 petrol)
Hard cold starts or excess smoke on the Z20S1 diesel
Poor fuel economy or engine running rich/lean
Cooling fan running constantly or not switching on
Engine overheating warning

[1997 - 2000] DAEWOO NUBIRA J100,J150 Hatchback 1.6 16V (FWD Petrol 1.6L 4cyl 78kW A16DMS)
[1997 - 2000] DAEWOO NUBIRA J100,J150 Sedan 1.6 16V (FWD Petrol 1.6L 4cyl 78kW A16DMS)
[1997 - 2000] DAEWOO NUBIRA J100,J150 Wagon 1.6 16V (FWD Petrol 1.6L 4cyl 78kW A16DMS)
[1998 - 2003] DAEWOO NUBIRA J100,J150 Sedan 2.0 16V (FWD Petrol 2.0L 4cyl 98kW X 20 SED)
[1998 - 2003] DAEWOO NUBIRA J100,J150 Wagon 2.0 16V (FWD Petrol 2.0L 4cyl 98kW X 20 SED)
[2005 - 2007] FIAT DUCATO 244 Van 2.3 JTD (FWD Diesel 2.3L 4cyl 81kW F1AE0481C)
[2006 - 2011] FIAT DUCATO 250,290 Platform/Chassis 120 Multijet 2.3 D (FWD Diesel 2.3L 4cyl 88kW F1AGL4114,F1AE0481D)
[2006 - 2021] FIAT DUCATO 250,290 Platform/Chassis 130 Multijet 2.3 D (FWD Diesel 2.3L 4cyl 96kW F1AE3481D,F1AGL411D,F1AE0481N)
[2006 - 2011] FIAT DUCATO 250,290 Van 120 Multijet 2.3 D (FWD Diesel 2.3L 4cyl 88kW F1AGL4114,F1AE0481D)
[1995 - 1998] HOLDEN ASTRA TR Hatchback 2.0 GSi (FWD Petrol 2.0L 4cyl 100kW X 20 XEV)
[1997 - 2000] HOLDEN BARINA SB Convertible 1.4 i (FWD Petrol 1.4L 4cyl 60kW C 14 SE)
[1997 - 2001] HOLDEN BARINA SB Hatchback 1.4 i (FWD Petrol 1.4L 4cyl 60kW C 14 SE)
[2010 - 2015] HOLDEN BARINA SPARK MJ Hatchback 1.2 i Auto (FWD Petrol 1.2L 4cyl 63kW B12D2)
[2010 - 2015] HOLDEN BARINA SPARK MJ Hatchback 1.2 i Manual (FWD Petrol 1.2L 4cyl 59kW B12D1)
[1995 - 1997] HOLDEN CALIBRA YE Coupe 2.5 i V6 (FWD Petrol 2.5L 6cyl 125kW C 25 XE,X 25 XE)
[2011 - 2019] HOLDEN CAPTIVA CG Wagon 2.2 TD (FWD Diesel 2.2L 4cyl 135kW Z 22 D1)
[2011 - 2019] HOLDEN CAPTIVA CG Wagon 2.2 TD AWD (AWD Diesel 2.2L 4cyl 135kW Z 22 D1)
[2016 - 2019] HOLDEN CAPTIVA 5 CG SUV 2.2 VCDi (FWD Diesel 2.2L 4cyl 135kW Z 22 D1)
[2016 - 2019] HOLDEN CAPTIVA 5 CG SUV 2.2 VCDi AWD (AWD Diesel 2.2L 4cyl 135kW Z 22 D1)
[1997 - 2002] HOLDEN COMBO SB Van 1.4 i (FWD Petrol 1.4L 4cyl 60kW C 14 SE)
[2007 - 2008] HOLDEN EPICA EP Sedan 2.0 i (FWD Petrol 2.0L 6cyl 105kW X 20 D1)
[2007 - 2011] HOLDEN EPICA EP Sedan 2.5 i (FWD Petrol 2.5L 6cyl 115kW X 25 D1)
[2008 - 2011] HOLDEN EPICA EP Sedan 2.0 TD (FWD Diesel 2.0L 4cyl 110kW Z 20 S1)
[1997 - 1998] HOLDEN VECTRA JR Hatchback 2.0 i (FWD Petrol 2.0L 4cyl 100kW X 20 XEV,C 20 SEL)
[1997 - 1998] HOLDEN VECTRA JR Hatchback 2.5 i (FWD Petrol 2.5L 6cyl 125kW X 25 XE)
[1997 - 1998] HOLDEN VECTRA JR Sedan 2.0 i (FWD Petrol 2.0L 4cyl 100kW C 20 SEL)
[1997 - 1998] HOLDEN VECTRA JR Sedan 2.5 i (FWD Petrol 2.5L 6cyl 125kW X 25 XE)
[1998 - 2000] HOLDEN VECTRA JS Hatchback 2.0 i (FWD Petrol 2.0L 4cyl 100kW C 20 SEL)
[1998 - 2002] HOLDEN VECTRA JS Hatchback 2.5 i (FWD Petrol 2.5L 6cyl 125kW X 25 XE)
[2000 - 2002] HOLDEN VECTRA JS Hatchback 2.6 i V6 (FWD Petrol 2.6L 6cyl 125kW Y 26 SE)
[2000 - 2002] HOLDEN VECTRA JS Sedan 2.6 i V6 (FWD Petrol 2.6L 6cyl 125kW Y 26 SE)
[2002 - 2006] HOLDEN VECTRA ZC Hatchback 3.2 i (FWD Petrol 3.2L 6cyl 155kW Z 32 SE)
[2002 - 2006] HOLDEN VECTRA ZC Sedan 3.2 i (FWD Petrol 3.2L 6cyl 155kW Z 32 SE)
[2006 - 2011] IVECO DAILY Bus 35S14, 35S14 /P (RWD Diesel 2.3L 4cyl 100kW F1AE0481H)
[2006 - 2011] IVECO DAILY Van 29L10 V (RWD Diesel 2.3L 4cyl 70kW F1AE0481F)
[2006 - 2011] IVECO DAILY Van 35S14 C, 35S14 C/P, 35S14 V, 35S14 V/P, 35C14 V (RWD Diesel 2.3L 4cyl 100kW F1AE0481H)
[1988 - 1992] RENAULT 19 B/C53 Hatchback 1.7 (B/C53B) (FWD Petrol 1.7L 4cyl 54kW F3N 740,F3N 741)
[1988 - 1992] RENAULT 19 B/C53 Hatchback 1.7 (B/C53C) (FWD Petrol 1.7L 4cyl 66kW F3N 742,F3N 743)
[1992 - 1995] RENAULT 19 B/C53 Hatchback 1.7 (B/C53C) (FWD Petrol 1.7L 4cyl 66kW F3N 743)
[1993 - 1995] RENAULT 19 B/C53 Hatchback 1.7 (B/C53B) (FWD Petrol 1.7L 4cyl 54kW F3N 740,F3N 741)
[1988 - 1992] RENAULT 19 L53 Chamade 1.7 (L53C) (FWD Petrol 1.7L 4cyl 66kW F3N 742,F3N 743)
[1988 - 1992] RENAULT 19 L53 Chamade 1.7 (L53F) (FWD Petrol 1.7L 4cyl 79kW F3N 746)
[1992 - 1995] RENAULT 19 L53 Chamade 1.7 (L53C) (FWD Petrol 1.7L 4cyl 66kW F3N 742,F3N 743)
[1993 - 1995] RENAULT 19 L53 Chamade 1.7 (L53B) (FWD Petrol 1.7L 4cyl 54kW F3N 740,F3N 741)
[1991 - 1992] RENAULT 19 D53 Cabriolet 1.7 (FWD Petrol 1.7L 4cyl 55kW F2N 724)
[1999 - 2009] SAAB 9-5 YS3E Sedan 2.3 t (FWD Petrol 2.3L 4cyl 125kW B235E)
[1999 - 2009] SAAB 9-5 YS3E Wagon 2.3 t (FWD Petrol 2.3L 4cyl 125kW B235E)
[1990 - 1998] SAAB 9000 Sedan 2.3 16V CD Turbo (FWD Petrol 2.3L 4cyl 147kW B234L)
[1993 - 1998] SAAB 9000 Hatchback 2.3 16V Turbo CSE (FWD Petrol 2.3L 4cyl 147kW B234L)
[1992 - 1995] VOLVO 440 445 Hatchback 2.0 SE (FWD Petrol 2.0L 4cyl 81kW B 20 F)
[1993 - 1996] VOLVO 440 445 Hatchback 2.0 GL, GLT (FWD Petrol 2.0L 4cyl 80kW B 20 F)

How do I test a coolant temperature sensor?

The most common test is to measure the sensor resistance with a multimeter at a known coolant temperature and compare against the manufacturer resistance curve. A cold engine (20 degrees C) typically reads 2,000 to 3,000 ohms and drops to around 200 to 300 ohms at operating temperature (90 degrees C). An OBD2 scanner showing a fixed temperature reading that does not change as the engine warms up is also a strong indicator of sensor failure.

Can a faulty coolant temperature sensor cause my engine to overheat?

Indirectly yes. If the sensor reports a lower temperature than actual, the ECU may not activate the cooling fan at the correct time, allowing the engine to overheat. It can also suppress the dashboard warning light, meaning you may not be alerted until the engine is already at a dangerously high temperature. Replace a suspected faulty sensor promptly.

Do I need to drain the coolant to replace the sensor?

Not always - many coolant temperature sensors can be replaced quickly with minimal coolant loss if you work fast and have a replacement ready to thread in immediately. However on some vehicles the sensor location requires partial coolant drainage. Check the sensor position on your specific engine before starting. Always use fresh coolant when topping up after replacement.

What are the symptoms of a faulty coolant temperature sensor?

Symptoms include poor fuel economy, black smoke, engine overheating warning, incorrect temperature gauge reading, hard starting when cold, and rough idle. Fault codes P0115 to P0119 are commonly associated with coolant temperature sensor faults.

Is it safe to drive with a bad coolant temperature sensor?

A faulty coolant temperature sensor can cause the ECU to run rich fuel mixtures and prevent the cooling fan from operating correctly, risking engine overheating. Replace it promptly - it is a low-cost part that can prevent expensive engine damage.

How do I know if my coolant temperature sensor or my thermostat is faulty?

A faulty thermostat typically causes the engine to overheat or never reach operating temperature. A faulty coolant temp sensor causes incorrect gauge readings and running issues but the coolant itself may be at the correct temperature. An OBD2 scanner showing live coolant temp data helps distinguish between the two.

Are there two coolant temperature sensors on my vehicle?

Many vehicles have two sensors - one for the ECU (engine management) and one for the dashboard temperature gauge. They look similar but are not interchangeable. Check your vehicle's service manual or contact us with your vehicle details to confirm which sensor you need.

Identification
SKU	CCS51-1
Brand	Aftermarket OEM Replacement
Part Numbers
Part Number	CCS51
Reference OEM Number	96815490
Other OEM Numbers	96815490, 96325864, 96279857, 96253551
Related Part Numbers	357-0061, 96815490, CCS48, CCS51, CS853, OCS51, TCS164
Trade Part Numbers	VEMO: V46-72-0030-1, DELPHI: TS1046, WALKER: 211-1126
Product Specifics
Product Type	SENSOR
Sensor Type	Coolant Temperature Sensor
Manufacturer Warranty	1 Year
Upc	9314258109745
Fitting Position	Inlet Manifold
Thread Size	M12 x 1.5mm
Spanner Size	19mm
Number of pins	2-Pin
Connector Shape	rectangular
Number of connectors	1
Housing Colour	Blue
Mounting Type	Threaded
Fitment Type	Direct Replacement
Other Details
Note	Sensor only - no wiring pigtail/cable included.
Unit Of Measure	ea