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⚙️ Power your ride with Bosch’s mini relay — reliability that never quits!
The Bosch 0332019103 Normal Open Mini Relay is a 4-pin, 12V, 30A automotive relay designed for high durability and precise vehicle fit. Engineered to withstand extreme temperatures from -40°F to 212°F and deliver up to 250,000 switching cycles, it ensures dependable performance in critical electrical applications. Ideal for professionals seeking a trusted replacement with proven Bosch quality.





| Asin | B004Z0VX4S |
| Best Sellers Rank | #140,190 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #156 in Electromechanical Relays #1,045 in Automotive Replacement Electrical System Relays |
| Brand Name | Bosch |
| Coil Voltage | 12 volts |
| Connector Type | Solder |
| Contact Current Rating | 30 A |
| Contact Material | Nickel |
| Contact Type | Normally Open |
| Current Rating | 30 A |
| Customer Reviews | 4.7 4.7 out of 5 stars (654) 4.7 out of 5 stars |
| Global Trade Identification Number | 03165141210835 |
| Included Components | Relay |
| Item Type Name | 4 Pins, 12 V, 30 A, Normal Open Mini Relays |
| Item Weight | 30 g |
| Manufacturer | Bosch |
| Maximum Switching Current | 30 A |
| Minimum Switching Voltage | 12 volts_of_direct_current |
| Mounting Type | Pole |
| Number Of Items | 1 |
| Operation Mode | Electric |
| Part Number | 0332019103 |
| Specification Met | Ip5k4 |
| Warranty Description | Per Contract with Amazon |
User
Good fit.
It worked well for my 2007 Jeep Liberty. It's a good alternative, since Mopar stopped manufacturing these 4-pin relays. Amazon's system says this relay does not fit a 2007 Jeep Liberty, but I knew that wasn't true, so I bought it. Only time will tell how good the quality is. I will update this review if anything happens. In the photo, you can see the old Mopar relay that I replaced.
User
Good genuine Bosch automotive relay
The Bosch part number of the relays I received is different than what’s advertised, but it has the same specifications and pin out, so it’s all good.It’s obvious that the casing is higher quality than cheap no-name “equivalents”, as are the gold terminals, but I did not disassemble it to examine the innards.
User
Good price
Probably works. I just don't need. Had charging problems but fixed
User
Great automotive relay
Replaced cooling rad fan on 1989 honda CRX. Crimped new connectors using auto stripper deep in engine bay. Easy install
User
Be careful
Mercedes w164 , that relay's little bigger than original, both will not handle good. But they are working fine, no complaints of it
User
Shipping was fast
I haven’t hooked up the relay yet, when done I will add to my review. So far so good.
User
Great relays. 2006 Scion TC
I originally bought some generic ones but I returned those for the Bosch branded ones, came in Bosch packaging and appear to be high quality. they work great. I have one wired to a momentary push button switch for a starter kill relay.
User
Its a Bosch Relay
What can I say, it's a Bosch relay. There is one in almost every car made. They have always been a great product.
User
4 PINS CAR IGNITION RELAY
Exactly what I needed to fix the ignition relay (fuse) on my Hyundai Tiburon, excellent product from a reputable company "BOSCH" Thanks,
User
Nickel cromme
Bonne article
User
Buen producto
Compré 4 para reemplazar los que tenía mi coche y funcionan de maravilla estoy muy contento
User
Job done
Released me from a sticky moment! Thanks
User
Relä
Bra fungerande vara!
Trustpilot
2 weeks ago
1 week ago