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OEM Replacement Wire Harness for Espar / Eberspaecher Hydronic S3 CS Heaters Keep your heater running reliably with this genuine Espar / Eberspaecher OEM wire harness (P/N 20.2900.70.0013). Designed as a direct drop-in replacement, it restores proper electrical connections between the heater control unit and components — no splicing, no adapters, no guesswork. Compatible Models (12V & 24V): B5E — 20.2051.05 D5E — 25.2933.05 D5L — 25.3009.05 D6L — 25.2972.05 Why OEM? Aftermarket harnesses can introduce resistance mismatches and fault codes. This is the same harness Eberspaecher provides with the heater installation kits — guaranteed fit and function.
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🇺🇸 Ship from USA · On Agora since 2025
$262.40