2486394-71-C is a genuine Tesla part: HARN,BODY,LEFT,MS,DRLEFT HAND,ALL,TW01 (also described as a left-hand body harness or main body left harness assembly for Model S). 

Full Description

• Full Name: Harness, Body, Left, Model S, Driver Left Hand, All, TW01.

• Category: 1710 - Harnesses (body/main front and body harnesses).

• Role: This is a major wiring harness located on the left side of the vehicle (driver’s side in LHD vehicles). It handles body electrical connections, including various systems routed through the left body structure. 

• It appears in discussions related to updates or revisions, such as for towing harness compatibility (e.g., Rev2 “Single Connector” tow harness variants). There are related revisions like -00-D, -01-C, -01-D, etc., with the -71-C noted as a specific variant (possibly a later or specialized revision). 

This is an OEM Tesla component, often listed as pre-order or special order through Tesla parts channels or third-party suppliers.

Vehicle Compatibility

• Primary Fitment: Tesla Model S, specifically vehicles built from February 2021 onward (Palladium refresh / 2021+ “refresh” Model S). 

• It is for Left-Hand Drive (LHD) vehicles (driver on the left).

• It is referenced in service/parts catalogs for 2021–2023+ Model S models, including in contexts like trailer hitch installations or body harness replacements. 

Note: Exact compatibility depends on the vehicle’s specific configuration, options (e.g., towing package), build date, and software/hardware revisions. Tesla parts are often VIN-specific for harnesses due to variations in wiring. Always verify with a Tesla service center or official parts catalog using your VIN for precise fitment.

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