SPEC & OE REFS — 12V DC, 40A/20A change-over (SPDT) 5-pin mini relay with suppression; ISO 6.3 mm blade terminals; standard automotive footprint. Replaces OE part numbers: A0009828123, A0025427419, 0025423419, 0025421419, 0045450405, 0035452705 (match by part number before ordering)
INSTALL & SYMPTOMS — Typically mounted in fuse/relay modules (engine compartment, instrument panel or seat base per platform). Compatible with Mercedes-Benz circuits such as starter/ignition, fuel pump and fans; addressing no-crank/no-start, inoperative pump/fan or intermittent power when a relay ages.
FITMENT (G-Class W463) — Compatible with 2013, 2014, 2015, 2016, 2017, 2018 Mercedes-Benz G550 Passenger Footwell Front SAM Fuse & Relay Box Relay; 2013-2018 Mercedes-Benz G63 AMG Passenger Footwell Front SAM Fuse & Relay Box Relay. (W463 locations documented.)
وصف
4RD007794-50 12V 40A 5-Pin Change-Over (SPDT) Automotive Relay Replacement relay matching the standard ISO mini footprint used across multiple Mercedes-Benz platforms. Designed for reliable control of high-load circuits in starter/ignition, fuel pump and fan applications when the original relay ages.
Coil Voltage: 12 V DC
Contact Rating: 40 A (NO) / 20 A (NC) at automotive temperatures
Contact Form: SPDT (change-over), 5-pin
Terminals: ISO 6.3 mm blade, mini relay footprint
Suppression: Integrated coil suppression
A0009828123; A0025427419; 0025423419; 0025421419; 0045450405; 0035452705. Please confirm by part number and existing relay markings before purchase.
Engine Compartment Fuse & Relay Box (e.g., M-Class W163/W164)
Passenger-side instrument panel or footwell SAM module (e.g., G-Class W463)
Seat-base fuse/relay holders (e.g., Sprinter T1N/NCV3)
No-crank / intermittent crank (starter control relay)
Fuel pump inoperative / intermittent power
Cooling or auxiliary fan inoperative / stuck-off
1 × 4RD007794-50 12V 40A SPDT relay
Use the year-by-year fitment in the bullets and match your existing OE part number. Vehicles may have multiple relays with similar footprints; verify slot and function in your fuse/relay chart before installation.