Genuine OEM Mazda – Engine Coolant Temperature Sensor – B593-18-840A
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Genuine OEM Mazda – Engine Coolant Temperature Sensor – B593-18-840A
Genuine OEM Mazda engine coolant temperature sensor, part number B593-18-840A, for confirmed Mazda vehicle applications.
| Brand | Mazda (Genuine OEM) |
|---|---|
| Part Number | B593-18-840A |
| Product Type | Engine Coolant Temperature Sensor |
| Condition | New |
Vehicle Fitment Information
- 2011–2014 Mazda 2
- 2012–2018 Mazda 3
- 2005–2010 Mazda 5
- 2014–2017 Mazda 6
- 1994–1997 Mazda 626
- 2013–2016 Mazda CX-5
- 1995–1997 Mazda Miata
- 1995–2002 Mazda Millenia
- 1994–1995 Mazda MX-3
- 1994–1997 Mazda MX-6
- 1995–1997 Mazda Protege
- 2000–2003 Mazda Protege
Fitment may vary by model year, trim, drivetrain, production date, and vehicle configuration.
Send us your VIN before ordering and we’ll help verify compatibility.
Frequently Asked Questions
Is this a genuine Mazda part?
Yes. This is a Genuine OEM Mazda part identified by part number B593-18-840A.
How can I confirm compatibility?
Send us your VIN before ordering and we’ll help verify compatibility for your vehicle.

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Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
Fast shipping, genuine products, and everything arrived exactly as described. I’ll definitely order again.
Wasn’t sure if the part would fit, but everything matched perfectly. Genuine OEM and exactly what I needed.
The OEM part fit perfectly and matched the original exactly. Very happy with the quality.
Part arrived quickly and was exactly what I ordered. Fit perfectly and looks great on the car.
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