BRAND NEW *OEM Quality* Coolant Temperature Sender to suit Toyota Corolla AE-series, Camry SV / VCV / VDV, Celica ST, Hilux Surf VZN, Hilux VZN167 / VZN172, Land Cruiser Prado VZJ95, MR2 SW20, Starlet EP, Celsior, Soarer and more - 1981 to 2005.

Temperature gauge acting up on your Toyota? The coolant temperature sender is the most common cause of erratic or stuck gauge readings across the full AE / ST / VZ engine family. This is a direct-fit OEM-specification replacement on Toyota part 8342087703. Same-day dispatch from Melbourne.

TO SUIT

This sender suits a wide range of Toyota models including Corolla AE71 to AE95, Camry SV21 SV30 VCV10 VDV10, Celica ST162 ST182 ST184 ST185 ST202, Hilux Surf VZN130 VZN185, Hilux VZN167 VZN172, Land Cruiser Prado VZJ90 VZJ95, 4Runner VZN130, MR2 SW20, Starlet EP71 EP82 EP90 EP91, Celsior UCF10 UCF11, Soarer UZZ30-UZZ32, Corsa EL31 EL43, Corona ST170, Cynos EL44, Paseo EL44 and Tercel AL25 EL51. Connector: 1-pin push-on blade. Thread: 1/8 GAS.

FITMENT CHECK

This is the temperature gauge sender only - it does not replace the ECU coolant temperature sensor. If your check engine light is on for a coolant temperature fault you need the ECU sensor, not this sender. Always verify by OEM part number before ordering.

OEM PART NUMBERS

8342087703
8342016030
8342016020

OTHER PART NUMBERS

TTS004
WALKER PRODUCTS: 214-1011
VEMO: V37-72-0002

PACKAGE INCLUDES

1 x Coolant Temperature Sender (1-pin push-on blade terminal / 1/8 GAS thread)

ABOUT THIS SENDER

The coolant temperature sender is a single-wire thermistor that drives the temperature gauge needle on the dashboard. It is a separate component to the ECU coolant temperature sensor. On Toyota engines it threads into the block or head near the thermostat housing and is straightforward to replace without special tools.

A failed sender causes the gauge to read incorrectly - often pinned at one end of the scale or fluctuating erratically - without triggering a fault code. It is the lowest-cost first step when temperature gauge behaviour is abnormal.

COMMON SYMPTOMS OF FAILURE

Temperature gauge stuck at maximum or minimum
Gauge reading erratically or fluctuating
Gauge reads cold at operating temperature
Gauge reads hot immediately on cold start
Intermittent gauge behaviour

[11/81 - 09/85] TOYOTA COROLLA KE70 1.3L 4K (Sedan / Wagon RWD)
[08/83 - 05/89] TOYOTA COROLLA AE71 AE80 AE82 AE86 1.3L-1.6L 2A / 4A-C / 4A-LC (Sedan / Van / Coupe)
[08/82 - 12/88] TOYOTA TERCEL AL25 1.5L 3A (Wagon AWD)
[05/86 - 09/94] TOYOTA CORSA EL31 EL43 1.5L 3E-TE / 5E-FE / 5E-FHE (Hatchback / Sedan)
[01/91 - 07/95] TOYOTA CYNOS EL44 1.5L 5E-FHE (Coupe)
[06/90 - 08/95] TOYOTA PASEO EL44 1.5L 5E-FE (Coupe)
[03/89 - 09/94] TOYOTA COROLLA AE90 AE91 AE92 AE93 AE95 1.4L-1.6L 4A-F / 4A-FE / 4A-GE / 5A-F / 6A-FC (Sedan / Hatchback / Wagon)
[06/91 - 08/98] TOYOTA COROLLA AE101 1.6L 4A-GE 20V (Sedan)
[09/94 - 07/99] TOYOTA TERCEL EL51 1.3L 4E-FE (Hatchback)
[12/89 - 07/99] TOYOTA STARLET EP82 EP90 EP91 1.3L 4E-FE / 4E-FTE Turbo / 2E (Hatchback)
[10/84 - 11/89] TOYOTA STARLET EP71 1.3L 2E-TELU (Hatchback)
[05/87 - 02/93] TOYOTA CAMRY SV21 SV22 2.0L 3S-FE / 3S-FC (Sedan / Wagon FWD)
[06/88 - 02/93] TOYOTA CAMRY VZV21 2.5L 2VZ-FE V6 (Sedan FWD)
[07/90 - 06/94] TOYOTA CAMRY SV30 1.8L 4S-FE (Sedan FWD)
[09/91 - 07/01] TOYOTA CAMRY VCV10 VCV10R Vienta 3.0L 3VZ-FE V6 (Sedan / Wagon)
[08/96 - 07/01] TOYOTA CAMRY VDV10 Vienta 3.0L 3VZ-FE V6 (Sedan)
[08/85 - 07/89] TOYOTA CARINA ED ST162 2.0L 3S-GELU (Sedan FWD)
[11/89 - 01/92] TOYOTA CORONA ST170 1.8L 4S-FE / 4S-FI (Sedan / Hatchback)
[01/87 - 08/99] TOYOTA CELICA ST162 ST182 ST183 ST184 ST185 ST202 2.0L-2.2L 3S-FE / 3S-GE / 3S-GTE / 5S-FE (Coupe / Hatchback)
[12/89 - 05/00] TOYOTA MR2 SW20 2.0L 3S-GE (Coupe RWD)
[08/89 - 11/95] TOYOTA HILUX SURF VZN130 3.0L 3VZ-E V6 (SUV AWD)
[11/95 - 10/02] TOYOTA HILUX SURF VZN185 3.4L 5VZ-FE V6 (SUV AWD)
[08/01 - 07/05] TOYOTA HILUX VZN167 VZN172 3.4L 5VZ-FE V6 (Utility / Cab Chassis AWD)
[07/96 - 02/03] TOYOTA LAND CRUISER PRADO VZJ90 VZJ95 3.4L 5VZ-FE V6 (SUV AWD)
[01/90 - 10/95] TOYOTA 4 RUNNER VZN130 3.0L 3VZ-E V6 (SUV AWD)
[12/88 - 04/93] TOYOTA CELSIOR UCF10 UCF11 4.0L 1UZ-FE V8 (Sedan RWD)
[05/92 - 09/97] TOYOTA SOARER UZZ30 UZZ31 UZZ32 4.0L 1UZ-FE V8 (Coupe RWD)

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	CTS110-TTS004
Brand	Aftermarket OEM Replacement
Part Numbers
Part Number	CTS110-TTS004
Reference OEM Number	8342087703
Other OEM Numbers	8342087703, 8342016030, 8342016020
Related Part Numbers	CTS110, TS198, TTS004
Trade Part Numbers	WALKER PRODUCTS: 214-1011, VEMO: V37-72-0002
Product Specifics
Product Type	SENSOR
Sensor Type	COOLANT TEMPERATURE GAUGE SENDER
Type	Sensor
Features	Direct Fit
Manufacturer Warranty	1 Year
Thread Size	1/8 GAS
Spanner Size	12mm
Number of pins	1 -pin connector
Connector Shape	Round
Fitting Depth	20 mm
Housing Colour	Black
Plug Type	Blade Terminal
Other Details
Note	Always verify fitment using your vehicle's OEM part number.
Unit Of Measure	ea