Bosch LSU4.9 Wideband O2 Sensor for PLX AEM 30-2004, OEM
Bosch LSU4.9 Wideband O2 Sensor designed for direct replacement with PLX AEM 30-2004 and compatible devices delivers precise, fast-responsive air-fuel ratio data across a wide range of fuels. Built around the proven LSU4.9 (UEGO) wideband sensing technology, this heated sensor provides stable 0–5V output for accurate tuning, diagnostics, and emissions monitoring. Although marketed as OEM-style, this unit is presented as an unbranded option that matches the Bosch LSU4.9 design, offering a reliable, plug-in solution without the need for extensive rewiring.
With a threaded mounting design and flat-contact connector, installation is straightforward and secure. This sensor is compatible with leaded and unleaded gasoline as well as diesel, ethanol/methanol blends including E85, AVgas, and other fuels, making it an ideal choice for multi-fuel platforms and tuners who swap fuels. It is intended as a direct replacement for Innovate devices and others, enabling you to maintain your existing setup with minimal downtime.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
At intercyprus.com since 2002 — trusted for quality and reliability.
Benefits & Tips
- Achieve accurate air-fuel readings across a wide range of fuels (gasoline, diesel, E85, methanol, ethanol blends) for precise engine tuning and fuel economy optimization.
- Quickly replace your worn sensor with a plug-in option that requires no modifications, minimizing downtime during a tune session or emissions testing.
- Use with AEM 30-2004 and compatible devices to maintain consistent 0–5V output for stable AFR data during long tuning sessions or dyno runs.
Product specifications
- Part Number: 0258017025
- Type: Wideband Oxygen Sensor (UEGO)
- Brand: Unbranded
- Sensor Type: Piezoelectric (Heated)
- Origin: Mainland China
- Sensor Formula: LSU-4.9
- Connector: Flat contacts
- Mounting Type: Threaded
- Fuel compatibility: Gasoline / Diesel / E85 (or blends)
- Fitment Type: Direct Replacement
- Cross-compatibility: AEM 30-2004; Innovate devices and others (e.g., Autometer 2243, FAST 170408, Dynojet Commander, GM 12575657, AC Delco 213-1572, Motec 57005)
- Description: Designed as a long-lasting, 0–5V O2 sensor with direct plug-in replacement capabilities
Package includes:
- 1 x Oxygen Sensor (0-5V wideband O2 sensor)
- Compatibility references: AEM # 30-2004; Autometer # 2243; FAST # 170408; Dynojet Wideband Commander # 48292001; GM # 12575657; AC Delco # 213-1572; PLX Devices # Type B; Motec # 57005
Warnings / Reminders
Please check the compatibility table and vehicle fitment to confirm this sensor fits your car. If you cannot confirm, contact us before ordering.
Warranty & Certification: All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Trust & Reliability
Providing quality and trusted service since 2002 at intercyprus.com.