1986-1991 Land Rover Range Rover Classic Bulb Check Unit

About This Bulb Check Unit

This OEM bulb check unit is essential to the instrument cluster's ability to monitor vital systems like oil pressure, battery charge, brake performance, and engine operation, initiating a self-check when the ignition is turned on.

Part #PRC8478. Replacing this unit restores the full safety and diagnostic capability of your classic Range Rover, built to Land Rover factory specifications for a direct fit without modification.

What's Included & Features

Every part is inspected before it leaves our facility.
Here's what you get with this listing:

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  OEM Part Number: PRC8478 — designed for 1986-1991 Range Rover Classic.
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  Controls Warning Lights — for oil, brake, battery, and engine.
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  Triggers Dashboard Bulb Diagnostic Check — on ignition, restores correct indicator light functionality.
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  Direct-Fit, Plug-and-Play — built to original Land Rover specs.
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  Direct OEM Replacement — matches factory fit and finish. No modification required.
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  OEM Used & Refurbished — Inspected — professionally reconditioned and quality-checked before shipping.

Part Specifications

Vehicle Fitment

⚠ Always verify part number PRC8478 matches your original unit before purchasing. Call us if unsure — (877) 443-9246.