Engine Computer 89661-48B10 for Lexus RX300/330/350
8966148B10 - Electrical components
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote is significantly lower.
| Brand | Longtop Supply Quote | Action |
|---|---|---|
| GAC Toyota | $374.47 | Check Better Price |
Compatible Models
Vehicle models currently mapped to this OE part.
Product Overview
OE 89661-48B10 is the genuine Lexus OEM engine computer that manages fuel, ignition and emission control for the engine. It is used on LEXUS RX300/330/350, built from 2003 onwards. It is supplied as a Engine Computer (Engine Control Module ECM).
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 8966148B10 |
| Part Name | Engine computer |
| Brand | Toyota |
| Type | Engine Computer (Engine Control Module ECM) |
Questions and Answers
Which Toyota and Lexus models does 89661-48B10 fit?
Genuine Lexus Engine Computer 89661-48B10 is used on LEXUS RX300/330/350, built from 2003 onwards. Chassis codes include MCU3#, GSU35.
Which chassis codes does 89661-48B10 cover?
Chassis codes include MCU3#, GSU35.
How can I verify that 89661-48B10 is a genuine Toyota part?
A genuine Engine Computer shows the Toyota number 89661-48B10 on the box label with the country-of-origin marking. On the part itself, the OE supplier’s mark is moulded or etched on the component next to the Toyota number (DENSO on coils and sensors); and the connector has the factory-keyed pin count and latch geometry that only one position on the harness accepts. Documentation is available on request – commercial invoice, packing list and Certificate of Origin.
How many pieces are needed for 89661-48B10?
Supplied as one piece per position – check the quantity required for your application.
Is the genuine part worth it compared with an aftermarket equivalent?
The genuine part earns its price in details that matter over time: the unit is calibrated to the factory signal range, so the ECU reads it without fault codes; and the factory-keyed connector plugs straight into your harness with no adapters or rewiring.
What documentation comes with an order?
Every shipment can include the commercial invoice and packing list, and on request a Certificate of Origin; the part number is laser-etched on the housing, so you can match it against the invoice.
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