Range Rover Sport Discovery L405 L494 L462 Throttle Body Assembly LR078546 2012-2025
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OEM-spec Electronic Throttle Body Assembly for Land Rover 3.0L V6 Diesel (Td6 / TDV6) engines. Fits L405, L494, and L462 chassis. Replaces LR078546 and LR061957. Fix rough idling and restore DPF function!
What’s Included
This is a complete, fully assembled electronic intake component.
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1x OEM-Spec Electronic Throttle Body Assembly - Replaces
LR078546
| Component | Primary OEM Part Numbers | Common Supersessions & Formats |
| Throttle Body (3.0L Diesel) | LR078546 |
LR061957, JDE39855, GL2637, LR078546GEN |
| Brand | Model | Production Years |
| Land Rover | DISCOVERY V (L462) 3.0 D 4x4 | 2016 – |
| Land Rover | DISCOVERY V (L462) 3.0 D 4x4 | 2016 – |
| Land Rover | DISCOVERY V (L462) 3.0 SDV6 4x4 | 2018 – |
| Land Rover | DISCOVERY V (L462) 3.0 Td6 4x4 | 2016 – |
| Land Rover | DISCOVERY V VAN (L462) 3.0 Sdv6 4x4 | 2018 – |
| Land Rover | DISCOVERY V VAN (L462) 3.0 Td6 4x4 | 2016 – |
| Land Rover | RANGE ROVER IV (L405) 3.0 SDV6 4x4 | 2012 – 2021 |
| Land Rover | RANGE ROVER IV (L405) 3.0 SDV6 4x4 | 2018 – 2021 |
| Land Rover | RANGE ROVER SPORT II (L494) 3.0 SDV6 4x4 | 2014 – 2022 |
| Land Rover | RANGE ROVER SPORT II (L494) 3.0 SDV6 4x4 | 2013 – 2016 |
| Land Rover | RANGE ROVER VELAR (L560) 3.0 D275 SDV6 4x4 | 2018 – |
| Land Rover | RANGE ROVER VELAR (L560) 3.0 D300 SDV6 4x4 | 2017 – |
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For all other destinations, rates are calculated by total order weight (1 kg = 2.205 lb):
| Order Weight | Rate (USD) |
|---|---|
| 0 – 5 kg (0 – 11 lb) | $60.00 |
| 5 – 10 kg (11 – 22 lb) | $85.00 |
| 10 – 15 kg (22 – 33 lb) | $100.00 |
| 15 – 20 kg (33 – 44 lb) | $135.00 |
| 20 – 30 kg (44 – 66 lb) | $175.00 |
| 30 – 40 kg (66 – 88 lb) | $250.00 |
| 40 kg and above (88 lb+) | $325.00 |
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Frequently Asked Questions
Why does a diesel engine even need a throttle body?
EGR Blending: It partially closes to create intake vacuum, pulling exhaust gas into the engine to lower emissions.
DPF Regeneration: It restricts air to intentionally heat up the exhaust so the Diesel Particulate Filter can burn off trapped soot.
Anti-Shudder: It slams 100% shut when you turn the key off, instantly suffocating the engine so it stops smoothly without shaking the cabin.




