S4457 Starter Motor Fits Land Rover Defender 110

Description

S4457 Replacement Starter Motor

The S4457 starter motor is a replacement unit identified by Lucas reference LRS04457. 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 2.0 Mild Hybrid/petrol variants.

Key Features and Benefits

• Lucas LRS04457 reference: a starting point for identifying the replacement.
• SKU S4457: use this code when requesting parts support.
• Application-led selection: compare the engine, production year and existing unit.
• Physical fitment check: match connections and mounting before ordering.

Compatible Vehicles and Applications

• Land Rover Defender 110 2.0 Mild Hybrid/petrol – selected applications 2023 – (engine code PT204(AJ20P4)).
• Land Rover Defender 90 2.0 Petrol – selected applications 2019 – (engine code PT204(AJ20P4)).

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 S4457. Compare them with the original unit and technical specifications; a number match alone does not establish vehicle compatibility.

LRS04457

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 S4457 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 S4457 fit my Land Rover Defender 110?

Land Rover Defender 110 2.0 Mild Hybrid/petrol (2023 -) is a listed application. Confirm the engine code and original unit configuration in the detailed fitment table.

Does S4457 replace Lucas LRS04457?

Lucas LRS04457 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 S4457?

Ask the team to confirm the electrical rating and physical details for S4457 before selecting a replacement.

Is S4457 new or remanufactured?

Check the current product condition selection for S4457. Confirm the supplier and availability of the option you want before completing the order.

What should I compare before ordering S4457?

Compare 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.