Eberspacher Hydronic S3 D5E D4E Water Pump Harness Loom 800mm 12V | 252652801500

The Eberspacher Hydronic S3 D5E D4E 12V Water Pump Harness Loom is a genuine replacement cable assembly designed for reliable water circulation in hydronic heater systems. Measuring 800mm, it features pre-terminated plugs for ECU and water pump, simplifying installation and reducing loom adaptation time. Built to fit Eberspacher Hydronic D4E, D5E, B4E and B5E heaters, this loom supports 12V CL or CI-Bus variants as listed, ensuring broad compatibility across models. Durable automotive-grade wiring and secure connectors resist vibration and temperature changes in engine bays and compact living environments. Whether you're restoring a classic installation or replacing a worn harness, this genuine part delivers consistent electrical continuity, optimal pump operation, and long service life. Fitment information and technical support are available through Butler Technik for skilled DIYers and professional technicians.