Door Open Relay Assembly 85970-48020 for Lexus RX300
8597048020 - 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 |
|---|---|---|
| FAW Toyota | $73.28 | Check Better Price |
| Imported Toyota | $123.91 | Check Better Price |
| Lexus | $123.26 | Check Better Price |
Compatible Models
Vehicle models currently mapped to this OE part.
| # | Brand | Model |
|---|---|---|
| 1 | Lexus | Lexus - General area - LEXUS RX300/330/350 - 200302 - 200812 - MCU3#,GSU35 |
| 2 | Lexus | Lexus - General area - LEXUS RX400H - 200503 - 200812 - MHU38 |
| 3 | Lexus | Lexus - Europe - LEXUS RX300/330/350 - 200302 - 200812 - MCU3#,GSU35 |
| 4 | Lexus | Lexus - Europe - LEXUS RX400H - 200503 - 200812 - MHU38 |
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Product Overview
OE 85970-48020 is the genuine Lexus OEM door Open Relay Assembly that switches a high-current circuit from a low-current control signal. It is used on LEXUS RX300/330/350 and LEXUS RX400H, built from 2003 to 2005. The part sits in the Door opening / double lock control position.
Send your OE number or VIN for a wholesale quotation and worldwide shipping.
Technical Specifications
| OE Number | 8597048020 |
| Part Name | Door Open Relay Assembly |
| Brand | Toyota |
| Position | Door opening / double lock control |
| Type | Relay Assembly, Door Opening |
Questions and Answers
Which Toyota or Lexus models and years does 85970-48020 cover?
85970-48020 fits LEXUS RX300/330/350 and LEXUS RX400H, built from 2003 to 2005. Chassis codes include MCU3#, GSU35, MHU38.
Which chassis codes does 85970-48020 cover?
Chassis codes include MCU3#, GSU35, MHU38.
How can I verify that 85970-48020 is a genuine Toyota part?
A genuine Door Open Relay Assembly shows the Toyota number 85970-48020 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.
Is 85970-48020 a front or rear part?
This part is listed for the Door opening / double lock control position.
How many pieces are needed for 85970-48020?
You get 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 differs in ways that show up in service: 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.
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