Victorious · Cooling System · Engine Thermals
3.0L V6 Heater Manifold Tube with Integrated Sensor
OEM-spec coolant water pipe for Discovery LR4, Range Rover, and Range Rover Sport – maintains precise engine temperature control.
Discovery LR4
Range Rover L405 2013–2020
Range Rover Sport L494 2013–2020
Plastic Construction
Temperature Sensor Integrated
Direct OEM Replacement
Why This Matters
Your Range Rover or Discovery's 3.0L V6 Supercharged engine depends on precise coolant distribution. The heater manifold tube is a critical path between the engine block, heater core, and thermostat housing—any degradation, crack, or sensor failure compromises temperature regulation and cabin heating performance.
This is a direct OEM-specification replacement featuring an integrated temperature sensor that communicates with your engine control unit. We've sourced this from the same precision manufacturing processes as Jaguar XF, XE, and F-PACE variants, ensuring compatibility and longevity.
Whether you're facing a failed sensor reading, visible coolant weeping, or poor cabin heat, this tube restores your cooling system to factory performance standards. Comes as a pair (left and right circuits) for complete system confidence.
What's Included
🔧
Pair of Heater Manifold Tubes
Complete left and right circuit assembly
📡
Integrated Temperature Sensor
Pre-calibrated and factory-aligned
📋
Fitment Verification Card
Cross-reference all OEM part numbers
🛡️
30-Day Guarantee
Full refund if not satisfied
Product Highlights
- OEM-equivalent engineering for Land Rover and Jaguar AJ126 3.0L Supercharged engines
- Integrated dual-stage temperature sensor with sealed electrical connector
- Engineered plastic construction withstands sustained coolant flow and thermal cycling
- Supports both heater circuit (cabin heating) and engine cooling circuit
- Precise dimensional match prevents air pockets and pressure loss
- Compatible with Discovery LR4, Range Rover L405, and Range Rover Sport L494
- Works with Jaguar XJ, XF, XE, F-TYPE, and F-PACE variants (2013+)
- Fits AJ814, AJ813, and C2Z engine management variants
- Includes mounting brackets and seal interface points
- Factory-sealed connections reduce leak risk by 95% vs. aftermarket alternatives
Compatibility
| Vehicle |
Year Range |
Fit Status |
| Land Rover Discovery 4 (LR4) |
2010–2016 |
Direct Fit |
| Range Rover Vogue (L405) |
2013–2020 |
Direct Fit |
| Range Rover Sport (L494) |
2013–2020 |
Direct Fit |
| Jaguar XF (2013–2015) |
2013–2015 |
Direct Fit |
| Jaguar XE |
2015–2020 |
Direct Fit |
| Jaguar F-PACE |
2015–2020 |
Direct Fit |
| Jaguar F-TYPE |
2013–2020 |
Direct Fit |
| Range Rover Sport L461 |
2022+ |
Not Compatible |
| Range Rover Vogue L460 |
2022+ |
Not Compatible |
| Defender L663 |
2020+ |
Not Compatible |
OEM Part Numbers: LR041788 · LR075991 · LR087558 · LR109401 · LR122710 · AJ814053 · AJ814006 · AJ813848 · C2Z18624 · C2Z31644
Installation Overview
Difficulty: Intermediate | Time: 2–3 hours
-
Disconnect battery negative terminal. Always start with a cold engine (20+ minutes after shutdown).
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Locate the heater manifold assembly mounted on the engine's front/upper deck, near the thermostat housing.
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Drain coolant system into a clean container. Mark the exact coolant type (OAT, HOAT, etc.) for refill.
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Disconnect the electrical connector from the temperature sensor (usually blue or green housing).
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Remove upper and lower hose clamps securing the manifold tube to the heater core and engine block lines.
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Unbolt the manifold assembly (typically 2–3 M8 bolts) and withdraw carefully to avoid spilling coolant.
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Clean all mounting faces and hose ports with a lint-free cloth. Inspect hoses for cracks or perishing.
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Install new gasket seals (if supplied) onto the engine block and heater core interfaces.
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Position the new manifold tube assembly and align bolt holes. Insert bolts hand-tight first.
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Torque bolts to 20–25 Nm in a cross pattern. Do not over-tighten (risk of plastic cracking).
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Reconnect coolant hoses and tighten hose clamps securely (check for weeping after start-up).
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Connect the temperature sensor electrical connector with a firm audible click.
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Refill coolant system with OEM specification fluid. Bleed air by running the heater on high for 2–3 minutes.
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Reconnect battery, start engine, and monitor temperature gauge. Cabin heater should warm within 30 seconds.
-
Recheck all connections after 5 minutes of idle. No steam, no pooling coolant = success.
⚠ Important: Coolant is toxic. Never dispose of used coolant down a drain—collect and take to a local recycling centre. If the temperature sensor does not seat fully, do not force it; coolant ingress into the electrical connector will cause ECU faults.
Ready to Restore Cooling Confidence
A failing heater manifold tube doesn't just rob you of cabin warmth—it risks engine overheat codes and reduced performance. This OEM-spec replacement puts your Discovery, Range Rover, or Jaguar back to factory precision in under three hours.
Shop Heater Manifold Tube
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Disclaimer: Victorious Automotive is an independent aftermarket accessory specialist and is not affiliated with, endorsed by, or connected to Land Rover, Range Rover, Jaguar Land Rover plc, or any manufacturer. All product names, logos, and brand references are used solely for fitment and compatibility identification. This product is an OEM-specification replacement part, not an original factory component. Always verify part numbers against your vehicle's documentation before purchase.
