Front Upper Control Arm — Right
OEM Part Number
48610-39085 [Verified]
What It Is
Right-side front upper control arm with integrated ball joint. Part of the Front Suspension double-wishbone system. The ball joint cannot be replaced separately — if the joint wears, the entire assembly must be replaced [Verified].
Fitment
SC430 (UZZ40) 2001–2010, all model years [Verified]. Also fits GS300/GS400/GS430 (S160 platform) [Probable].
Pricing — OEM
~$479 AUD (April 2026) [Verified]
Aftermarket Alternatives
| Brand | Part Number | Price (April 2026) | Notes | Confidence |
|---|---|---|---|---|
| Moog | RK620336 | ~$128 AUD | Well-known aftermarket brand. Decent quality. | [Probable] |
| TRW | — | Varies | OE-supplier quality tier | [Reported] |
| Delphi | — | Varies | OE-supplier quality tier | [Reported] |
| Mevotech | — | Varies | Standard replacement | [Reported] |
| Ultra-Power (economy) | — | From ~$40 AUD | Budget option. Quality unknown. | [Reported] |
Adjustable UCA Options
If correcting factory camber (see Factory Camber Tyre Wear), adjustable UCAs are available:
| Brand | Part Number | Price (April 2026) | Notes | Confidence |
|---|---|---|---|---|
| SPC | 72270 | ~$620 USD/pair | Purpose-built adjustable. Well-regarded on forums. Sold by FIGS Engineering. | [Probable] |
| Mevotech | CMS861207 | ~$211 AUD each | Reported to be repackaged SPC 72270. More accessible pricing. | [Reported] |
| Godspeed | AK-091-C | Varies | Adjustable option. Less forum data. | [Reported] |
Where to Buy
- OEM: Lexus dealer, LexusPartsNow.com, Amayama
- Aftermarket: eBay, Amazon, RockAuto, local parts stores
- Adjustable: ShopFIGS.com (FIGS Engineering), RockAuto, Amazon
Related Faults
- Upper Control Arm Ball Joint Wear — primary reason to replace this part
- Factory Camber Tyre Wear — adjustable UCAs are the fix for factory camber wear
Sources
Research data from OEM parts listings and forum threads (April 2026 ingest).