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PRODUCT OVERVIEW
The Fuelmiser Oxygen Lambda Sensor COS851 is an exhaust oxygen (O2) sensor designed to monitor air–fuel ratios and support efficient engine management. It is a direct replacement unit built to meet or exceed OEM performance specifications.
KEY FEATURES
- Part Number: COS851
- Exhaust-mounted oxygen (lambda) sensor
- Helps maintain optimal air–fuel mixture
- Supports fuel economy and emissions control
- Engineered to meet OEM-equivalent performance standards
BENEFITS
- Improved drivability and throttle response
- Accurate feedback to engine control unit (ECU)
- Assists in reducing harmful exhaust emissions
- Helps prevent rich or lean running conditions
APPLICATION NOTES
- Check vehicle compatibility using your registration, VIN, or an application guide.
- Professional installation is recommended to ensure correct fitment and operation.
- Always compare connector type and wiring length with the original sensor before installation.
Vehicle Compatibility
| Make | Model | Year | Submodel | Variant | Engine | Notes |
|---|---|---|---|---|---|---|
| Mitsubishi | Triton | 2015 | ML,MN Platform/Chassis 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol) | |
| Mitsubishi | Triton | 2015 | ML,MN Platform/Chassis 2.4 LPG (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol/Liquified Petroleum Gas (LPG)) | |
| Mitsubishi | Triton | 2015 | ML,MN Ute 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol) | |
| Mitsubishi | Triton | 2015 | ML,MN Ute 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 97kW 4G64 (16V) | 2351cc 97kW (Petrol) | |
| Mitsubishi | Triton | 2014 | ML,MN Platform/Chassis 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol) | |
| Mitsubishi | Triton | 2014 | ML,MN Platform/Chassis 2.4 LPG (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol/Liquified Petroleum Gas (LPG)) | |
| Mitsubishi | Triton | 2014 | ML,MN Ute 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol) | |
| Mitsubishi | Triton | 2014 | ML,MN Ute 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 97kW 4G64 (16V) | 2351cc 97kW (Petrol) | |
| Mitsubishi | Express | 2013 | SF,SG,SH,SJ,WA Van 2.4 i (P04V, P14V) | RWD Petrol 2.4L 4cyl 84kW 4G64 (16V) | 2351cc 84kW (Petrol) | |
| Mitsubishi | Pajero | 2013 | NS,NT,NW,NX Wagon Hardtop 3.8 V6 All-wheel Drive (V87W, V97W) | AWD Petrol 3.8L 6cyl 184kW 6G75 | 3828cc 184kW (Petrol) | |
| Mitsubishi | Pajero | 2013 | NS,NT,NW,NX Wagon Hardtop 3.8 i 4WD (V97W, V87W) | AWD Petrol 3.8L 6cyl 175kW 6G75 | 3828cc 175kW (Petrol) | |
| Mitsubishi | Triton | 2013 | ML,MN Platform/Chassis 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol) | |
| Mitsubishi | Triton | 2013 | ML,MN Platform/Chassis 2.4 LPG (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol/Liquified Petroleum Gas (LPG)) | |
| Mitsubishi | Triton | 2013 | ML,MN Ute 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 94kW 4G64 (16V) | 2351cc 94kW (Petrol) | |
| Mitsubishi | Triton | 2013 | ML,MN Ute 2.4 (KA5T) | RWD Petrol 2.4L 4cyl 97kW 4G64 (16V) | 2351cc 97kW (Petrol) | |
| Mitsubishi | Express | 2012 | SF,SG,SH,SJ,WA Van 2.4 i (P04V, P14V) | RWD Petrol 2.4L 4cyl 84kW 4G64 (16V) | 2351cc 84kW (Petrol) | |
| Mitsubishi | Outlander | 2012 | ZG,ZH Wagon 3.0 4WD (CW6W) | AWD Petrol 3.0L 6cyl 162kW 6B31 | 2998cc 162kW (Petrol) | |
| Mitsubishi | Outlander | 2012 | ZG,ZH Wagon 3.0 4WD (CW6W) | AWD Petrol 3.0L 6cyl 169kW 6B31 | 2998cc 169kW (Petrol) | |
| Mitsubishi | Pajero | 2012 | NS,NT,NW,NX Wagon Hardtop 3.8 V6 All-wheel Drive (V87W, V97W) | AWD Petrol 3.8L 6cyl 184kW 6G75 | 3828cc 184kW (Petrol) | |
| Mitsubishi | Pajero | 2012 | NS,NT,NW,NX Wagon Hardtop 3.8 i 4WD (V97W, V87W) | AWD Petrol 3.8L 6cyl 175kW 6G75 | 3828cc 175kW (Petrol) |