Main muffler rear heat insulation pad sub-assembly 58043-48021 for Lexus RX
5804348021 - Engine parts
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote is significantly lower.
| Brand | Longtop Supply Quote | Action |
|---|---|---|
| Lexus | $88.77 | Check Better Price |
Compatible Models
Vehicle models currently mapped to this OE part.
| # | Brand | Model |
|---|---|---|
| 1 | Lexus | Lexus - General area - LEXUS RX SERIES - 202211 - AALH1#,SALA15,TALA1#,TALH17 |
| 2 | Lexus | Lexus - General area - LEXUS RX SERIES - 202211 - AALH1#,TALA1#,TALH17 |
| 3 | Lexus | Lexus - General area - LEXUS RX350/350H/450H+/500H - 202211 - AALH1#,TALA1#,TALH17 |
| 4 | Lexus | Lexus - Japan - LEXUS RX SERIES - 202211 - AALH1#,TALA1#,TALH17 |
| 5 | Lexus | Lexus - Europe - LEXUS RX SERIES - 202211 - AALH1#,SALA15,TALA1#,TALH17 |
| 6 | Lexus | Lexus - Europe - LEXUS RX SERIES - 202211 - AALH1#,TALA1#,TALH17 |
| 7 | Lexus | Lexus - United States/Canada - LEXUS RX SERIES(JPP) - 202211 - AALH1#,TALA10,TALH17 |
More LEXUS RX SERIES Parts
Other genuine lexus parts that fit the LEXUS RX SERIES platform.
Throttle Body Gasket 22271-31040 for Toyota 4RUNNER
2227131040
Transmission Filter 35330-48020 for Toyota Alphard
3533048020
Transmission Oil Pan Gasket 35168-33080 for Toyota ALPHARD
3516833080
Engine Cylinder Head Bolt 90910-02164 for Toyota Alphard
9091002164
Front axle oil seal (right) 90311-55002 for Toyota GR COROLLA
9031155002
Front Bumper Parking Sensor Base 89348-48010 for Lexus RX
8934848010
Throttle Gasket 22271-36040 for Toyota Harrier
2227136040
Hood shock absorber rubber 90541-09069 for Toyota 4RUNNER
9054109069
Product Overview
This is a genuine OEM main Muffler Rear Heat Insulator Sub-assembly, OE 58043-48021, which keeps exhaust heat away from the body and nearby parts. It is used on LEXUS RX SERIES (JPP) and LEXUS RX350/350H/450H+/500H, built from 2022 onwards. One cross-reference number applies here: 58043-48011.
Ask for a wholesale quotation with your VIN or OE number; we ship worldwide.
Technical Specifications
| OE Number | 5804348021 |
| Part Name | Main Muffler Rear Heat Insulator Sub-assembly |
| Brand | Toyota |
| Position | Underbody, rear floor above main muffler |
| Type | Heat insulator sub-assembly (floor insulator main muffler rear) |
OE Cross-Reference
| 58043-48011 | Lexus |
Questions and Answers
Which Toyota and Lexus models does 58043-48021 fit?
Genuine Toyota Main Muffler Rear Heat Insulator Sub-Assembly 58043-48021 is used on LEXUS RX SERIES (JPP) and LEXUS RX350/350H/450H+/500H, built from 2022 onwards. Chassis codes include AALH1#, SALA15, TALA1#, TALH17, TALA10.
Which chassis codes does 58043-48021 cover?
Chassis codes include AALH1#, SALA15, TALA1#, TALH17, TALA10.
Which OEM part numbers interchange with 58043-48021?
1 interchangeable part numbers are listed for 58043-48021, including 58043-48011 (Lexus).
How can I verify that 58043-48021 is a genuine Toyota part?
To verify this Main Muffler Rear Heat Insulator Sub-Assembly, look for the ten-character number 58043-48021 on the box label together with the country-of-origin marking, then check that the hose is moulded to the vehicle’s routing with pre-formed bends and connection diameters, and each position carries its own OE number, and that the pipe number is printed on the body and matches the packaging label, and fuel joints lock with a specific retaining clip rather than a hose clamp. We can provide the invoice, packing list and CoO for any order.
Where is 58043-48021 installed on the vehicle?
It is fitted in the Underbody, rear floor above main muffler position.
How many pieces are needed for 58043-48021?
Supplied as one piece per position – check the quantity required for your application.
Is there anything I need to know before installing this part?
Yes. Let the system cool fully before opening it, and refill with the specified coolant.
Is the genuine part worth it compared with an aftermarket equivalent?
The genuine part earns its price in details that matter over time: constant-tension spring clamps hold steady pressure as the hose expands and contracts, where screw clamps can loosen over time; and the number is confirmed against the official Toyota catalog, so the application is exactly right for your chassis. These are the aftermarket equivalents you may also see quoted.
FIND THE RIGHT OE PART
Precision in Every Part. Excellence in Every Price.
Typically replies within 10 mins
Recommended Products
Left Rear Exhaust Pipe Heat Shield 58328-33010 for Toyota Camry
Exhaust Pipe Heat Shield (Rear) 58327-02330 for Toyota Allion
Exhaust Pipe Heat Shield 58328-30034 for Toyota MARK X
Exhaust Pipe Heat Shield 58327-60101 for Toyota 4RUNNER
