Automotive Relay 4RD007794-50 A 0009828123 12V 40A 5-Pin - Compatible with Mercedes/BMW/VW for Cooling Fan & Window Failure Fix (2-Pack)
Product details
| Management number | 237389252 | Release Date | 2026/07/10 | List Price | US$3.20 | Model Number | 237389252 | ||
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4RD 007 794-50 Relay: Restores Critical Vehicle FunctionsThis 40A SPDT automotive relay (OEM reference number A 000 982 81 23) replicates the factory performance of European electrical systems. Designed to resolve specific faults caused by worn relay contacts:Cooling fan stuck high: Interrupts the "normally open" signal on the stuck radiator fan.Window lift fault: Rebuilds the door control module's power circuit.Technical Verification:✅ Terminal layout (as shown in Figure 4):2 (85 - Coil -), 3 (86 - Coil +), 4 (87 - Normally Open), 5 (30-12V +), 6 (87a - Normally Closed)✅ Durable: PA66 nylon housing (gasoline/oil resistant) + silver alloy contacts✅ Electrical rating: 12VDC coil, 80Ω coil resistance, 15kV dielectric strengthApplicable Models and Solutions:Compatible Model Year Range Resolved FaultMercedes C-Class (W204) 2010-2015 Cooling Fan Fault P052E00BMW 3 Series (E90) 2007-2012 Window regulator short circuitVolkswagen Passat (B6) 2006-2010 blower motor failurePackage Contents:2 relays (label: 4RD 007 794-50)
- SOLVES CRITICAL FAULTS: Directly compatible with Mercedes C300 (2010-2015), BMW 328i (2008-2012), VW Passat (2006-2014) – fixes cooling fans stuck on high speed, window lift failures, and fuel pump shutdowns
- HIGH-PERFORMANCE SPECS: 40A continuous load at 12V DC, 5-pin SPDT design (Terminals: 30,85,86,87,87a) with silver-alloy contacts for zero voltage drop
- INDUSTRY-STANDARD RELIABILITY: Sealed IP67 housing, epoxy-coated coil withstands -40°C to 125°C (HELLA 100-series equivalent per Image 1 marking)
- EASY 5-MINUTE INSTALL: Plug-and-play design – remove faulty relay in fuse box slot (positions B6/B8 on Mercedes models, K70 on VW) and insert
- 2-PACK VALUE + BACKUP: Two relays cost less than one dealer part – replace now and keep spare for future failures
| ASIN | B0FHJZ7ZWG |
|---|---|
| Model | 4RD007794-50 A 0009828123 |
| Brand Name | MANKASUKE |
| Unit Count | 2.0 Count |
| Part Number | 4RD 007 794-50 A 000 982 81 23 |
| Coil Voltage | 12 Volts (DC) |
| Contact Type | Normally Open |
| Manufacturer | MANKASUKE |
| Mounting Type | Plug In Mount |
| Connector Type | Plug-In |
| Current Rating | 40 Amps |
| Operation Mode | Automatic |
| Coil Resistance | 80 Ohms |
| Contact Material | Silver Alloy |
| Specification Met | OEM |
| Included Components | 2-Pack Automotive Relay 4RD007794-50 A0009828123 12V 40A 5-Pin |
| Contact Current Rating | 40 Amps |
| Minimum Switching Voltage | 12 Volts (DC) |
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