C ConnectorRoute

Erich Jaeger alternative

57901

12V(40A) switching relays - normally open relay 12V, 40A

Use this article number as the starting point for a quote: ConnectorRoute checks suitable alternatives, fit, availability, MOQ and lead time before proposing a replacement route.

Request quote Official Erich Jaeger product page

ConnectorRoute is independent and is not affiliated with Erich Jaeger GmbH. Brand and article references are used for identification and cross-reference purposes only.

External article references

Known cross-reference numbers

These supplier, distributor and vehicle-brand references were present in the supplied highrunner overview. Use them for identification; ConnectorRoute still validates the technical replacement route before quoting.

Brand / supplier Reference numbers
AGCO Fendt D 450 600 21
Bosch 0 332 019 103
Daimler A 002 542 06 19
Febi 34751
Hella 4RA 933 332-451
Herth & Buss 75613215
Iveco 500341925
VAG 8D0 951 253 A

System products

Products often checked together with this reference: matching plugs, sockets, coil cables, adapters and supply cables. Generic installation material is intentionally excluded.

Product context

Product description and application

Erich Jaeger 57901 is 12V(40A) switching relays - normally open relay 12V, 40A. This control unit handles a specific trailer or vehicle electrical function. Voltage, switching logic, diagnostic behavior and vehicle compatibility need to be confirmed before replacing it. The applicable standard and 12V should be verified against the vehicle or trailer wiring diagram. The known selection frame is 12V and cars.

What does 57901 do?

This page treats 57901 as a real vehicle-electrical component, not just as a search term. In practice the part is selected by connector family, electrical standard, voltage, pole count and the way it is mounted or connected in the vehicle. For a control unit, the mating component and cable route are part of the decision.

Technical checks before replacing it

The public product data highlights: Type of accessory: switching relays. These details matter because a replacement can have the right article description while still failing on cable entry, contact termination, sealing, housing material or installation space.

How ConnectorRoute approaches the alternative

ConnectorRoute starts with the Erich Jaeger number, then checks the application: vehicle type, yearly volume, existing mating connector, drawings or photos, required approval level and supply continuity. Only after that does an alternative become a quoteable route instead of a guess.

Products that belong in the same request

For a useful quote, include related system parts where possible: 121322 13P/12V 100% waterproof «JAEGER Expert» Socket (ISO 11446), 101430 7+4P/12V Combo-Socket (SAE J1239, SAE J2863) - with superior water protection, 221088 7+6P/12V Plug (NEN 6120), 221068 13P/12V Economy Plug (ISO 11446), 311161 Mini short adapter - from vehicle (13P/12V) to trailer (7+6P/12V). That helps prevent solving one article number while leaving the matching plug, socket, coil cable, adapter or supply cable as the next bottleneck.

Structured product facts

Article number
57901
Product family
control unit
Category
control unit
Voltage
12V
Industry
cars
Related product families
component
External cross-references
AGCO Fendt: D 450 600 21 · Bosch: 0 332 019 103 · Daimler: A 002 542 06 19 · Febi: 34751 · Hella: 4RA 933 332-451 · Herth & Buss: 75613215
Rated current / permanent load [in A]
40
Type of accessory
switching relays

57901

Questions about this reference

Can Erich Jaeger 57901 be replaced one-to-one?

Sometimes, but it should not be assumed from the article number alone. The connector standard, pole count, voltage, contact type, seal, cable entry and application need to match before ConnectorRoute confirms a replacement.

What should I send with an enquiry?

Send the Erich Jaeger article number, quantities, yearly demand, photos of the installed part, drawings if available, the mating connector and any vehicle or trailer information.

Why does the page mention related products?

Truck and trailer electrics are system-based. A socket, plug, coil cable, adapter and supply cable often need to be checked together to avoid a partial replacement route.

Technical specifications

Technical data

Rated current / permanent load [in A]
40
Type of accessory
switching relays