S4403 12V 2.0kW Starter Motor Fits Land Rover Defender 110
£159.86 – £198.16Price range: £159.86 through £198.16
Identify a replacement starter motor using Sahibs S4403, listed at 12V 2.0kW. Listed applications include selected Land Rover Defender 110, Land Rover Defender 130, Land Rover Defender 90, Land Rover Discovery models. Identification references include Lucas LRS04403, Bosch 1145007, Prestolite S1345B. Its listed 12V 2.0kW rating provides an electrical matching point for your existing unit. Check the 14-tooth pinion, connections and mounting arrangement. Check the current condition options and availability before purchase. Match the exact engine and production details before ordering. Buy your S4403 replacement starter motor online from Sahibs Auto Electrics for UK delivery or Click & Collect.
Product Specification
| Description | Value |
|---|---|
| KW | 2 kW |
| Volt | 12 V |
| Rotation | Clockwise |
| Teeth | 14 qty |
| Oil Sealed | No |
| Insulated Return | No |
| Waterproof | No |
| Wet Clutch | No |
| Weight | 4.52 Kg |
Cross Reference
| Reference Number | Brand |
|---|---|
| DYS4403 | Dyno Electrics |
| 1145007 | Bosch |
| 1145008 | Bosch |
| 450556142 | PSH |
| KPLA11001BC | Land Rover |
| KPLA11001BE | Land Rover |
| LR121192 | Land Rover |
| LR177925 | Land Rover |
| LRS04403 | Lucas |
| LRS4403 | Lucas |
| S1345B | Prestolite |
Vehicle Applications
| Brand | Model | Engine | Engine Code | Series | Model Type | Type | Year |
|---|---|---|---|---|---|---|---|
| LAND ROVER | Defender 110 | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK IV | Station Wagon | L663 | 2019 - |
| LAND ROVER | Defender 110 | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK IV | L663 | 2020 - | |
| LAND ROVER | Defender 110 | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK IV | L663 | 2020 - | |
| LAND ROVER | Defender 110 | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK IV | Station Wagon | L663 | 2020 - |
| LAND ROVER | Defender 130 | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK IV | Station Wagon | L663 | 2019 - |
| LAND ROVER | Defender 130 | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK IV | Station Wagon | L663 | 2022 - |
| LAND ROVER | Defender 130 | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK IV | Station Wagon | L663 | 2020 - |
| LAND ROVER | Defender 90 | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK IV | Station Wagon | L663 | 2019 - |
| LAND ROVER | Defender 90 | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK IV | L663 | 2020 - | |
| LAND ROVER | Defender 90 | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK IV | Station Wagon | L663 | 2020 - |
| LAND ROVER | Defender 90 | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK IV | L663 | 2020 - | |
| LAND ROVER | Discovery | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK V | L462 | 2020 - | |
| LAND ROVER | Discovery | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK V | L462 | 2020 - | |
| LAND ROVER | Discovery | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK V | L462 | 2024 - | |
| LAND ROVER | Range Rover | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK IV | Long | L405 | 2019 - 2021 |
| LAND ROVER | Range Rover | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK V | Long | L460 | 2021 - |
| LAND ROVER | Range Rover | 3.0 (2996ccm) Plug-in Hybrid/petrol | PT306(AJ20P6) | MK V | Long | L460 | 2022 - |
| LAND ROVER | Range Rover | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK IV | L405 | 2020 - 2021 | |
| LAND ROVER | Range Rover | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK IV | Long | L405 | 2020 - 2021 |
| LAND ROVER | Range Rover | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK V | Long | L460 | 2021 - |
| LAND ROVER | Range Rover Sport | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK II | L494 | 2019 - 2022 | |
| LAND ROVER | Range Rover Sport | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK III | L461 | 2022 - | |
| LAND ROVER | Range Rover Sport | 3.0 (2996ccm) Plug-in Hybrid/petrol | PT306(AJ20P6) | MK III | L461 | 2022 - | |
| LAND ROVER | Range Rover Sport | 3.0 (2996ccm) Plug-in Hybrid/petrol | PT306(AJ20P6) | MK III | L461 | 2023 - | |
| LAND ROVER | Range Rover Sport | 3.0 (2997ccm) Diesel | DT306(AJ20D6) | MK II | L494 | 2020 - 2022 | |
| LAND ROVER | Range Rover Sport | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK II | L494 | 2020 - 2022 | |
| LAND ROVER | Range Rover Sport | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK III | L461 | 2022 - | |
| LAND ROVER | Range Rover Velar | 3.0 (2996ccm) Mild Hybrid/petrol | PT306(AJ20P6) | MK I | L560 | 2020 - | |
| LAND ROVER | Range Rover Velar | 3.0 (2997ccm) Mild Hybrid/diesel | DT306(AJ20D6) | MK I | L560 | 2020 - |
Description
S4403 Replacement Starter Motor
Choose a replacement by comparing the S4403 starter motor and its Lucas reference, LRS04403, with your existing unit. The listed electrical rating is 12V 2.0kW. A starter motor turns the engine during starting; the electrical rating and mechanical engagement must suit the application. Applications include selected Land Rover Defender 110 3.0 Mild Hybrid/petrol variants.
Key Features and Benefits
- 12V electrical system: match the vehicle voltage before selecting a unit.
- 2.0kW power: compare the listed rating with the original starter motor.
- 14-tooth pinion: compare gear engagement and pinion position.
- Clockwise rotation: check the specified direction before fitting.
- M8 B+ connector / terminal: check the connection against the original unit.
Compatible Vehicles and Applications
- Land Rover Defender 110 3.0 Mild Hybrid/petrol – selected applications 2019 – (engine code PT306(AJ20P6)).
- Land Rover Defender 130 3.0 Mild Hybrid/petrol – selected applications 2019 – (engine code PT306(AJ20P6)).
- Land Rover Defender 90 3.0 Mild Hybrid/petrol – selected applications 2019 – (engine code PT306(AJ20P6)).
- Land Rover Discovery 3.0 Mild Hybrid/petrol – selected applications 2020 – (engine code PT306(AJ20P6)).
- Land Rover Range Rover 3.0 Mild Hybrid/petrol – selected applications 2019–2021 (engine code PT306(AJ20P6)).
- Land Rover Range Rover Sport 3.0 Mild Hybrid/petrol – selected applications 2019–2022 (engine code PT306(AJ20P6)).
These are selected applications, not the complete fitment list. Check the detailed vehicle compatibility table, engine code and production year, then compare the original unit before ordering.
OE Numbers and Cross-Reference Information
The following cross-reference numbers are associated with S4403. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.
1145007, 1145008, LRS04403, LRS4403, S1345B
The full manufacturer cross-reference and OE listings are available elsewhere on this page. Confirm whether a number is an OE or aftermarket reference when comparing the original unit.
When Should You Replace Your Starter Motor?
Failure to crank, clicking during a start request or intermittent cranking can indicate a starting-system problem. A weak battery, poor connections or control-circuit faults can produce similar symptoms; test the system before replacing the starter motor.
Why Buy from Sahibs Auto Electrics?
Sahibs Auto Electrics is a UK automotive electrical parts specialist supplying alternators and starter motors. Ask for help identifying S4403 using the existing part number and vehicle details. Check the current condition options and availability before purchase. Buy online for UK delivery or Click & Collect, checking the current order arrangements.
Frequently Asked Questions
Will S4403 fit my Land Rover Defender 110?
Land Rover Defender 110 3.0 Mild Hybrid/petrol (2019 -) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.
Does S4403 replace Lucas LRS04403?
Lucas LRS04403 is a listed identification reference. Compare it with the original unit and specifications; a cross-reference does not guarantee compatibility by itself.
What specifications are listed for S4403?
The listed details include 12V, 2.0kW power, 14 pinion teeth, clockwise rotation. Compare the complete specifications on this page with the unit being replaced.
Is S4403 new or remanufactured?
Check the current product condition selection for S4403. Confirm the supplier and availability of the option you want before completing the order.
What should I compare before ordering S4403?
Compare 12V compatibility, 2.0kW power, 14 pinion teeth, rotation, mounting and electrical connections with the original starter.
Does clicking prove the starter motor has failed?
No. Battery voltage, wiring and control-circuit faults can also cause clicking or no cranking. Have the starting system tested before choosing a replacement.




