Foam Block for Range Rover (1995 – 2002) Plenum – BTR9548

Thomas Performance Ltd Verified independent store

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The BTR9548 is a foam sealing block fitted within the plenum chamber of the Range Rover P38, designed to prevent unmetered air from bypassing the intake system and disrupting the a ir-fuel mixture. On the 4.0 and 4.6 V8 engines, deterioration of this foam over time causes it to crumble or compress, which can contribute to rough idle, poor throttle response, and inconsistent fuelling. Correct replacement restores the intended sealing integrity of the plenum assembly. Key Features Foam construction shaped to fit the specific plenum chamber geometry of the P38 Range Rover Replaces degraded or crumbled original foam that commonly fails with age Supplied to OEM specification under Land Rover part number BTR9548 Inspect surrounding plenum gaskets and the idle air control valve when replacing this block, as these components are often affected simultaneously Vehicle Fitment Fits Range Rover (P38) models from 1995 to 2002, specifically within the plenum chamber assembly (body and chassis category). Not sure about fitment? Feel free to get in touch at [email protected] Show more