The Blackhawk Upper Control Arm kit suits the Toyota LandCruiser 300 Series (2021-ON) and ships with heavy-duty Roadsafe ball joints pre-fitted, not bolted on afterwards. Correcting castor and camber on 2"-3" lifted 300 Series wagons, it restores factory steering feel and extends ball joint articulation past the standard arm's range. Run it with a Blackhawk4x4 lift kit for matched geometry, or check all suspension parts for the LandCruiser 300 before ordering. In stock in Australia, backed by manufacturer warranty and our fitment support team.
Browse all compatible suspension parts for your Upper Control Arm Toyota Landcruiser 300 using our parts finder.
| Make | Model | Series | Years | Engine |
|---|---|---|---|---|
| Toyota | LandCruiser | 300 Series (GX, GXL, VX, Sahara, Sahara ZX, GR Sport, Altitude) | 2021-ON | 3.3L V6 Twin-Turbo Diesel / 3.5L V6 Twin-Turbo Petrol |
Not sure if this fits your vehicle? Contact our suspension experts or check our FAQ page.
This upper control arm is designed for 300 Series wagons running a 2" or 3" front lift, where the factory arm runs out of adjustment and pulls castor out of spec. Fit it when you've added raised front coil springs, a heavier bull bar and winch, or a GVM upgrade that changes ride height and load through the front end. Vehicles running a 4" or greater lift, or a diff drop kit, should talk to our team first to confirm arm geometry suits the setup.
Fitment is a bolt-in job for an experienced workshop or 4WD suspension fitter, using factory mounting points on the 300 Series chassis. Wheel alignment is mandatory once the arms are fitted — castor, camber and toe all move when arm geometry changes. Allow a 500km bedding-in period for the new ball joints before towing at full load. Pair the upgrade with matching lower control arms or a diff drop kit if you're running more than 2" of lift, for the cleanest front-end geometry.
Blackhawk4x4 builds its 300 Series control arms with pre-fitted Roadsafe ball joints rather than shipping arms bare and leaving the joint choice to the installer. Every arm is backed by a full manufacturer warranty and supplied through 4WD Suspension's Australian stock, so replacement parts and support are local. Tourers, tradies and tow-rig owners running the 300 Series specify this arm when the factory unit runs out of adjustment after a lift — view the full Blackhawk4x4 range for matching shocks and springs.
This control arm suits 300 Series owners who've fitted a 2"-3" front lift and need factory-correct castor and camber restored, including tourers running roof-top tents and bull bars, and tradies carrying constant tray or canopy weight. Caravan and camper trailer tow-rig owners benefit from the extended ball joint articulation when the front end is loaded and unloaded regularly. If you're also carrying variable payload at the rear, look at airbag suspension to keep rear ride height consistent under load.
UCA4861T is in stock now in Australia, with fast dispatch and fitment support from our in-house suspension team. Browse our full lift kit range to pair this control arm with a matched suspension setup for your 300 Series.
Yes, this Blackhawk upper control arm is a direct bolt-in fit for the 300 Series across GX, GXL, VX, Sahara, Sahara ZX, GR Sport and Altitude variants from 2021-ON. It uses the factory chassis mounting points, so no cutting or drilling is needed. If you're unsure about your specific build date or variant, our team can confirm fitment before you order.
This control arm doesn't add lift on its own — it corrects castor and camber once your 300 Series is already sitting on a 2" or 3" front lift from raised coil springs. Fitting it after a lift restores the factory-style geometry and steering feel that the standard arm can't achieve at that ride height. Pair it with a Blackhawk4x4 lift kit for a complete matched setup.
The kit includes two Blackhawk upper control arms with heavy-duty Roadsafe ball joints pre-fitted at the factory, plus the mounting hardware needed for installation. Lower control arms, shock absorbers and coil springs are sold separately. Every arm is powder-coated and fitted with a grease nipple for field servicing.
Yes, the heavy-duty Roadsafe ball joints are built for the sustained loading that comes with towing and touring on a 300 Series. Correcting geometry after a lift also keeps tyre wear even under constant load, which matters more when you're regularly hitched up. We recommend confirming your GVM and towing setup with our team if you're running a GVM upgrade alongside this arm.
If your 300 Series is running a 2" or 3" front lift, upgrading the upper control arm is recommended because the factory arm has limited adjustment range and can't fully correct castor at that height. Left uncorrected, castor and camber sit out of factory spec, causing uneven tyre wear and altered steering feel. This arm restores that adjustment range without any cutting or fabrication.
Yes, wheel alignment is mandatory after installing this control arm. Castor, camber and toe all change once the new arm geometry is in place, and the vehicle should not be driven on the road until it's been aligned. We recommend booking the alignment with an experienced 4WD-specific wheel aligner rather than a standard passenger car shop.
This product is a control arm, not a spring, so spring rate isn't selected here — but it works alongside our coil spring range where you can match front spring rate to your bull bar, winch and accessory load. Choosing the right spring rate first, then correcting geometry with this arm, gives the most accurate front-end setup. Our team can help match spring rate to your accessory list before you order this arm.
Tyre clearance depends mainly on the lift height from your springs and any body mods, not on this control arm alone. What this arm does is keep castor and camber in spec once you've lifted the front end, which reduces uneven wear on larger, heavier tyres. Check your specific tyre size against your chosen lift height with our team before fitting oversized rubber.
This control arm is backed by Blackhawk4x4's manufacturer warranty, covering the arm and the pre-fitted Roadsafe ball joints against manufacturing defects. It's dispatched from 4WD Suspension's Australian stock, so warranty support and replacement parts are handled locally. Contact our team for the current warranty term and claim process.
Yes, this control arm is designed to maintain OE-style steering feel and turning circle once alignment is reset, so it doesn't compromise everyday drivability. It's aimed at 300 Series owners who've already lifted their vehicle and want factory-correct handling restored for daily commuting as well as towing and touring. Fit it alongside standard servicing and it requires no special daily maintenance beyond the grease nipple.
Yes, this upper control arm is commonly fitted alongside a GVM upgrade on the 300 Series, since added front-end weight from bull bars and winches changes ride height and castor. Correcting geometry with this arm helps the front suspension handle that extra constant load without excess ball joint wear. Speak with our fitment team if you're combining this arm with a GVM upgrade and heavier accessories.
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