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RS-R T539D is the exact Down Sus lowering springs shown in this listing. It is intended for 2023+ Lexus NX350 AWD. Confirm the complete vehicle, drivetrain, factory suspension, chassis notes, ride-height requirements, wheel and tire clearance, and alignment plan before ordering.
Key Features
- NX350 AWD sees roughly 1.6 to 1.8 inches front and 1.0 to 1.2 inches rear.
- NX350h FWD sees roughly 1.0 to 1.2 inches front and 1.2 to 1.4 inches rear.
- Any ride height change affects camber and toe, so a full four-wheel alignment is strongly recommended after installation.
- Drop the Ride Height on Your NX350 or NX350h Without Losing the Comfort Lexus Engineered In RSRT539D gives NX350 AWD and NX350h FWD owners a factory-plus lowered stance using RS-R's precision-matched spring rates.
- The RSRT539D is a RS-R Down Sus lowering spring set built for the 2022 to 2026 Lexus NX350 AWD and NX350h FWD, dropping the vehicle roughly 1.0 to 1.8 inches depending on drivetrain and axle while retaining the factory shock absorbers.
- RS-R Down Sus springs are engineered to pair with factory shock absorbers, so no additional dampers are required.
Fitment
| Years | Make | Model | Submodel | Application |
|---|---|---|---|---|
| 2022-2025 | Lexus | NX350 | All applicable | Chassis code TAZA25 |
Specifications
| Brand | RS-R |
|---|---|
| Manufacturer Part Number | T539D |
| Product Type | Lowering Springs |
| Product Line | Down Sus |
| Condition | New |
| Chassis code | TAZA25 |
| Approximate Drop Front | -40mm to -45mm (-1.6in to -1.8in) |
| Approximate Drop Rear | -25mm to -30mm (-1.0in to -1.2in) |
| Spring Rate Front | 3.59kg/mm |
| Spring Rate Rear | 4.53kg/mm |
| Warranty | 3 Years / 36,000 miles from the day of purchase |
What's Included
One new RS-R Down Sus product in the exact manufacturer configuration for part number T539D. Confirm the official parts list before installation.
Brand Information
RS-R engineers vehicle-specific lowering springs, coilovers, suspension components, and related performance products. Exact application details, chassis requirements, ride-height ranges, spring rates, and installation notes vary by part number.
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Frequently Asked Questions
Will RS-R T539D fit my vehicle?
Match the exact year, make, model, submodel, drivetrain, chassis, and factory suspension notes shown on this page. Contact support before ordering when any detail differs.
What is included with RS-R T539D?
This listing includes one new RS-R Down Sus product in the manufacturer configuration for part number T539D. Reused factory parts and separately required tools or hardware are not included unless explicitly stated.
What should be checked after installation?
For suspension products, verify torque, clearances, ride height, alignment, electronic warnings, and safe operation. For the oil additive, verify the correct treatment quantity and final oil level.
Installation Instructions
Follow the current RS-R instructions for part number T539D and the vehicle or component manufacturer's service procedure. Suspension work requires safe vehicle support, correct tools, specified fastener replacement and torque, clearance checks, final ride-height settling, and a professional alignment before normal driving.
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