A straight-talking reference guide for owners of three of the most popular premium SUVs on the road. What fails, when it tends to fail, and what fair pricing looks like for tested used OEM in 2026.
If you own a Range Rover Sport, a Lexus LX570, or a Toyota Land Cruiser, you already know the dealership parts counter is not a place for the faint-hearted. These vehicles were never cheap to maintain at retail pricing. With 2026 tariffs stacking on top of already-elevated OEM parts costs, the numbers are pushing further in a direction that makes a lot of owners uncomfortable.
The problem isn't just the price. It's that most owners have no idea what a fair price looks like. They get a quote, it's alarming, and without a reference point they either pay it without question or panic and start browsing new car listings. Neither reaction is necessary if you know the market.
This guide breaks down the parts that come up most often for each vehicle, what dealers charge for new OEM, and what tested used OEM from a quality supplier looks like in comparison. Use it as a reality check before you sign off on any parts quote.
All price ranges are estimates based on 2026 market data and vary by region, supplier, and specific model year. Always confirm the OEM part number against your VIN before ordering anything.
Range Rover Sport (2014 to 2021)
The Range Rover Sport is an exceptionally capable vehicle with a maintenance reputation that scares off owners who don't know the parts market. Most of that reputation comes from people paying dealer prices for components that are available elsewhere at a fraction of the cost. The vehicle itself is not fragile.
Air Suspension
The air suspension is the most talked-about maintenance item on the Sport, and for good reason. Air springs wear over time, the compressor takes strain as springs age and start to leak, and height sensors drift. None of this is catastrophic. All of it is fixable with the right parts.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| Air Spring (per corner) | $400 - $600 | $150 - $280 |
| Air Compressor | $600 - $900 | $200 - $380 |
| Height Sensor (each) | $180 - $280 | $60 - $120 |
| Valve Block Assembly | $500 - $750 | $180 - $320 |
Electronic Control Modules
Terrain Response modules, Transfer Case Control Units, and ABS modules are the electronic items that come up most often on higher-mileage Sports. OEM specification is non-negotiable here. Off-spec modules cause diagnostic faults that cost more to sort out than the saving on the part.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| Terrain Response Module | $1,200 - $2,000 | $350 - $700 |
| Transfer Case Control Unit | $900 - $1,400 | $280 - $520 |
| ABS Module | $700 - $1,100 | $220 - $450 |
Cooling and Drivetrain
Thermostat housing issues and coolant pump failures show up on SDV6 diesel variants from 2014 to 2017. Rear differential and propshaft centre bearings are worth monitoring on higher-mileage examples.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| Thermostat Housing Assembly | $350 - $550 | $120 - $220 |
| Water Pump | $400 - $650 | $140 - $260 |
| Rear Differential Assembly | $1,800 - $3,200 | $600 - $1,100 |
| Propshaft Centre Bearing | $200 - $350 | $70 - $140 |
A full air suspension rebuild on a Range Rover Sport using tested used OEM components typically runs $800 to $1,500 installed. Twelve months of payments on a replacement vehicle costs considerably more. The repair almost always wins the math's.
Lexus LX570 (2008 to 2021)
The LX570 is genuinely overbuilt for longevity. Owners who maintain it properly regularly report 250,000 to 300,000 miles without major powertrain work. The 5.7L V8 is one of the most durable engines fitted to a production SUV. What fails tends to be electronics and air suspension, not the mechanical core.
Air Suspension and Ride Height
Like the Sport, the LX570 runs an air suspension system that needs attention on higher-mileage vehicles. The compressor is the most common single failure point. Height control sensors drift and cause the compressor to work harder than it should.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| Air Suspension Compressor | $700 - $1,100 | $220 - $420 |
| Air Spring (each) | $450 - $700 | $160 - $300 |
| Height Control Sensor (each) | $200 - $320 | $70 - $130 |
Electrical and Lighting
HID headlight assemblies, adaptive front lighting actuators, and the multi-information display are recurring replacements, particularly on 2008 to 2015 models. Low-mileage used OEM from Gulf-region vehicles is the obvious choice here given the price gap.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| HID Headlight Assembly | $1,100 - $1,800 | $320 - $620 |
| Adaptive Lighting Actuator | $400 - $650 | $130 - $260 |
| Multi-Info Display Unit | $600 - $950 | $190 - $380 |
Transfer Case and Drivetrain
The transfer case itself is robust but the actuator and motor develop issues over time on higher-mileage vehicles. Active Height Control actuators are also worth budgeting for past 150,000 miles.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| Transfer Case Assembly | $2,200 - $3,800 | $700 - $1,300 |
| AHC Actuator | $350 - $600 | $110 - $230 |
| Rear Differential Assembly | $1,600 - $2,800 | $520 - $950 |
A 2016 LX570 with 140,000 miles is not an old vehicle. The powertrain is likely good for another 100,000 miles with proper parts. The work it needs at that mileage is almost entirely electronic and suspension, not mechanical.
Toyota Land Cruiser 200 Series (2008 to 2021)
The 200 Series Land Cruiser is in a category of its own. The components that fail most often are not what defines the vehicle's durability. They're wear items and electronics. The powertrain just keeps going.
Fuel System
High-pressure fuel pump failures are the most discussed issue on V8 diesel variants, particularly the 4.5L twin-turbo. Fuel injectors on high-mileage diesel models are also a common replacement. Precision here matters because fuel system spec directly affects engine management.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| High Pressure Fuel Pump | $900 - $1,500 | $280 - $560 |
| Fuel Injector (each) | $300 - $500 | $95 - $190 |
| Fuel Pressure Regulator | $180 - $280 | $55 - $110 |
Suspension and Steering
Front suspension control arm bushes are predictable wear past 100,000 miles. Steering rack play develops gradually. Both are well-documented repairs with known OEM part numbers that are easy to cross-reference.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| Control Arm with Bushes (each) | $280 - $480 | $90 - $180 |
| Steering Rack Assembly | $1,100 - $1,900 | $340 - $680 |
| Sway Bar End Links (pair) | $120 - $200 | $40 - $80 |
Electronics and KDSS
The Kinetic Dynamic Suspension System on equipped models develops hydraulic leaks over time. Rear-view camera assemblies and terrain monitor components are frequent replacements on older models where the technology has aged.
| Component | Dealer New OEM (est.) | Tested Used OEM (est.) |
| KDSS Cylinder (each) | $400 - $700 | $130 - $260 |
| Rear View Camera Assembly | $350 - $580 | $110 - $220 |
| Transfer Case Actuator | $300 - $500 | $95 - $190 |
The 200 Series 4.5L V8 diesel is one of the most reliable engines ever fitted to a production vehicle. It doesn't fail at high mileage. The suspension and electronics age around it. The engine keeps running.
Five things to check before buying any of these parts.
- The OEM part number is listed and matches your VIN. Not a compatibility note. The actual manufacturer reference number.
- Photos show the real component from multiple angles. Stock images on an electronic module or suspension part are a red flag.
- Testing is explained, not just claimed. What equipment was used and what did it confirm. If the seller can't say, assume it wasn't done properly.
- Warranty terms are specific: duration, coverage, and how to make a claim. Vague warranty language is functionally the same as no warranty.
- Year range is confirmed against your exact model year. The same model name across different years often uses different parts.
Shop OEM parts that protect your vehicle's value
Revline Used Auto Parts stocks tested, low-mileage OEM components for premium and mainstream vehicles worldwide. Every listing includes the OEM part VIN number, fitment details, and a 30-day warranty.
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