4-Pin Exhaust Oxygen / Lambda Sensor (Upstream Type – Genuine Denso OEM)
The EL-SR-O2-MVB (OEM: 89465-BZ040) is a genuine Toyota/Denso-type 4-pin oxygen sensor, used across Perodua, Toyota, and Daihatsu models equipped with 1.0 L, 1.3 L, and 1.5 L petrol engines such as EJ-VE, K3-VE, 3SZ-VE, and related types.
Installed in the upstream position (before the catalytic converter), this heated O sensor measures exhaust oxygen content and sends precise data to the engine control unit (ECU) — optimizing air–fuel ratio, engine efficiency, and emission performance.
It’s a plug-and-play replacement with a 4-wire (4-pin) connector, compatible with the original Denso harness design.
Ideal for replacing old, worn, or faulty sensors that cause rough idle, high fuel consumption, or “Check Engine” lights.
OEM Reference: 89465-BZ040
Denso-manufactured type (Toyota/Daihatsu OEM supplier)
4-pin heated zirconia oxygen sensor
Upstream (pre-catalytic) position – Bank 1 Sensor 1
Plug & Play – no wiring modification needed
Improves fuel efficiency & engine response
100% compatible with original Toyota/Perodua connectors
Standard M18 × 1.5 thread with sealing washer
OEM Code: 89465-BZ040
Manufacturer: Denso / Toyota OEM
Thread Size: M18 × 1.5 mm
Connector: 4-pin (grey rectangular plug)
Type: Heated Zirconia Narrow-band O Sensor
Position: Upstream (exhaust manifold)
Packaging: 1 pc / pack
Price: RM 60.00 / pc (Stock Clearance Price)
Perodua Myvi (1st Gen) – 2005 – 2010 (1.0 EJ-VE / 1.3 K3-VE)
Perodua Myvi “Lagi Best” (2nd Gen) – 2011 – 2017 (1.3 K3-VE / 1.5 3SZ-VE)
Perodua Viva – 2007 – 2014 (0.85 ED-VE / 1.0 EJ-VE)
Perodua Alza – 2009 – 2018 (1.5 3SZ-VE)
Toyota Avanza (F601 / F602) – 2004 – 2016 (1.3 K3-VE / 1.5 3SZ-VE)
Toyota Rush (F700) – 2006 – 2017 (1.5 3SZ-VE)
Daihatsu Xenia / Terios / Gran Max / Luxio – 2004 – present (1.0–1.5 L engines)
(Used as the front manifold O sensor for air-fuel control in all models listed.)
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