Victorious · Land Rover / Range Rover · Cooling System
Throttle Body Heater Outlet Hose & Coolant Thermostat Water Pipe
OEM-specification replacement hoses for Range Rover, Range Rover Sport, Discovery 4, and Defender—engineered for reliable thermal management and proven longevity.
Range Rover
Range Rover Sport
Discovery 4
Cooling System
2010–2022
Direct Fit
What's Inside Your Kit
Your Range Rover, Range Rover Sport, or Discovery 4 depends on precision cooling hoses to maintain engine temperature and protect against thermal stress. These replacement water pipes manage coolant flow to your throttle body and thermostat housing—critical under load, in cold climates, and after high-mileage use. Partsmost OEM-quality hoses meet Land Rover's original specifications and restore cooling performance.
Choose either the Throttle Body Heater Outlet Hose (LR045239) or the Coolant Thermostat Water Pipe (LR049990), or select our 2-piece bundle and get both for maximum coverage. All hoses are new, unused, and backed by a 12-month warranty.
Whether you're replacing a split hose, upgrading preventatively, or refreshing your cooling circuit after years of use, these parts guarantee OEM fit and durability without the Land Rover dealership markup.
What's Included
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Throttle Body Hose – LR045239
Direct replacement, OEM-spec silicone blend
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Thermostat Water Pipe – LR049990
Premium coolant transfer conduit
✓
12-Month Warranty
Manufacturing defects covered
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Installation Guide (Downloadable)
Step-by-step reference included
Key Features & Benefits
- Matches Land Rover OEM specifications exactly
- Premium silicone blend resists cracking under thermal stress
- Direct-fit design—no modifications required
- Prevents coolant leaks and overheating
- Proven durability across 3.0L, 5.0L V6, and V8 engines
- Easy DIY installation (1–2 hours with basic tools)
- Safer than aftermarket rubber hoses
- Backed by 12-month replacement warranty
- Tested across multiple climate zones
- Restores cooling performance on aged vehicles
Compatibility at a Glance
| Vehicle / Year Range / Engine |
LR045239 |
LR049990 |
| Range Rover 2010–2012 | 5.0L SC V8 |
✓ Direct Fit |
✓ Direct Fit |
| Range Rover 2013+ | 5.0L/3.0L SC |
✓ Direct Fit |
Not Compatible |
| Range Rover Sport 2010–2013 | 5.0L SC V8 |
✓ Direct Fit |
Not Compatible |
| Range Rover Sport 2014+ | 5.0L/3.0L SC |
✓ Direct Fit |
✓ Direct Fit |
| Discovery 4 (LR4) | 3.0L SC V6 |
✓ Direct Fit |
✓ Direct Fit |
| Discovery 5 | 3.0L SC V6 |
Not Compatible |
✓ Direct Fit |
| Range Rover Velar | 3.0L/5.0L Petrol |
✓ Direct Fit |
✓ Direct Fit |
| Defender 2020+ | 5.0L Petrol |
✓ Direct Fit |
Not Compatible |
Tip: Always verify your VIN and engine code before purchase. Contact us at +44 203 943 9919 if unsure of compatibility—our team will confirm in under 5 minutes.
Installation & Difficulty Level
🔨 Installation Overview
Difficulty: Intermediate | Time Required: 1–2 hours | Tools Needed: Socket set, hose clamp pliers, fluid catch tray, coolant (if refilling)
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Safety First – Allow the engine to cool completely. Disconnect the negative battery terminal. Set the vehicle on a level surface and engage the handbrake.
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Drain Coolant (if required) – If replacing the thermostat water pipe, drain excess coolant into a catch tray to prevent spillage.
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Remove Old Hose – Locate the hose clamps securing the old hose to the throttle body or thermostat housing. Use a socket or clamp pliers to release them gently.
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Disconnect & Remove – Slide the old hose off its connections. Check the connection points for debris or damage; clean if necessary.
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Inspect Connection Points – Verify that fittings are clean and undamaged. Light surface corrosion can be gently brushed away.
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Install New Hose – Slide the new hose firmly onto the connections, ensuring it sits flush against both fittings.
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Secure with Clamps – Refit the hose clamps and tighten evenly with pliers or socket. Avoid over-tightening, which can crack hose barbs.
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Refill & Bleed – Top up coolant to the correct level. Run the engine on idle for 5–10 minutes to bleed air from the system. Check for leaks.
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Final Inspection – Once cool, verify clamp tightness and confirm no coolant is weeping from the connection points.
⚠️ Important: Never open a hot coolant system—pressurised coolant can cause severe burns. Always allow the engine to cool for at least 30 minutes before beginning work. Use the correct coolant type specified in your owner's manual; mixing types can reduce freeze protection and cause corrosion.
Why Choose Victorious for Cooling Hoses?
Unlike generic aftermarket hoses, these Partsmost OEM-spec parts are engineered to Land Rover's original standards. They've been tested in European and Middle Eastern climates, proven reliable on high-mileage vehicles, and backed by transparent warranty coverage.
We've also documented tens of thousands of successful installs across Range Rover, Range Rover Sport, and Discovery platforms. Our team knows these vehicles inside out, and we stand behind every part we sell.
Ready to Restore Your Cooling System?
Order your replacement hoses now and restore peak cooling performance. Free worldwide shipping on all orders. 30-day money-back guarantee if you're not completely satisfied.
Shop Cooling Hoses Now
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Disclaimer: Victorious Automotive is an independent aftermarket specialist and is not affiliated with, endorsed by, or connected to Jaguar Land Rover Limited, Land Rover, Range Rover, or any of their subsidiaries. Product names, logos, and brand identifiers are used only for compatibility and reference purposes. All products are third-party manufactured replacements meeting or exceeding OEM specifications.
