Description
Product Details
This Hella 12V 40A 4-pin main current relay is a normally open contact type with IP54 protection and integrated holder. Part number 4RA 965 400-071, wiring diagram S1, plug type A. Cross-references across 24 OEM and aftermarket brands including Bosch 0 332 019 453 and BMW 61 31 1 353 789. Verify the relay specification, wiring diagram, and plug type against the removed unit before ordering.
Key Details
- SKU
- 4RA 965 400-071
- Component
- Main Current Relay
- Brand
- Hella
- Part MPN
- 4RA 965 400-071
- GTIN / Barcode
- 4082300688375
- Specs
- 12V, 40A rated, 4-pin, normally open, IP54, wiring diagram S1, plug type A, with holder
Key Benefits
- 42 OEM and aftermarket reference numbers listed across 24 brands for cross-checking before ordering.
- IP54 rated with -40°C to +125°C operating range — suitable for exposed and underbonnet mounting positions.
- Integrated holder included for direct mounting.
OEM Reference Numbers
AGCO
- ACP0381780
Audi / VW
- KDWHLO9402
BMW
- 1 351 317
- 1 353 789
- 1 358 193
- 61 31 1 351 317
- 61 31 1 353 789
Bosch
- 0 332 014 409
- 0 332 019 453
Bucher
- 623043B
DAF
- 867513
- 906180
Fendt
- A CP0 381 780
- D 450 752 00
Ford
- 6 050 578
- 6 059 235
Hako
- 90 12655 8
Hella
- 4RA 003 510 081
- 4RA 003 510 083
- 4RA 003 510 085
- 4RA 003 510 087
- 4RA 003 510 088
- 4RA 965 400 001
- 4RA 965 400 007
- 4RA 965 400 071
- 965 400 071
Herth+Buss Elparts
- 75 613 114
- 75 613 121
Knaus
- 050891
Krone
- 0302217/0
- 515001750
Nagares
- RLPA 4 12
O&K
- 1452807
Opel
- 43206400
Schmitz Cargobull
- 980042
Still
- 7916291272
SWF
- 611 004
TRW
- SRB523
VACS
- EC14167
Volvo
- 672599
Wehrle&S
- 21204
Product Specifications
| Specification | Value |
|---|---|
| Voltage | 12 V |
| Rated Current | 40 A |
| Ohmic Load | 30 A |
| Inductive Load | 15 A |
| Capacitive Load | 5 A |
| Switch Function | Normally Open Contact |
| Number of Pins | 4 terminal |
| Wiring Diagram | S1 |
| Plug Type ID | A |
| Protection Type (IP Code) | IP54 |
| Temperature Range | -40°C to +125°C |
| Colour | Black |
| Supplementary | With holder |
Installation / Use / Maintenance Tips
- Compare the new relay to the removed relay — confirm pin count (4), plug type (A), wiring diagram (S1), voltage (12V), and rated current (40A) match before fitting.
- Inspect the relay socket and terminal pins for corrosion, bending, or melted plastic before fitting the new relay.
- Push the relay firmly and fully home so all terminals seat correctly in the socket or holder.
- Assembly and disassembly by qualified personnel is required as noted by the manufacturer.
- After installation, confirm correct circuit operation and check for abnormal heat at the relay or connector.
Common Questions
What applications does this relay fit?
This is a universal 12V 40A normally open relay with IP54 protection. It is cross-referenced across 24 OEM and aftermarket brands. Match the wiring diagram (S1), plug type (A), pin count (4), and current rating to the removed unit or wiring schematic before ordering.
What OEM part numbers does this cross-reference?
Cross-reference numbers are listed in the OEM Reference Numbers section above. Match at least one to your original part before ordering.
What brand is this part?
This listing is for a Hella main current relay.
Important: Product information, kit contents and compatibility are provided as a guide and may contain errors or omissions. Please verify that this part and any included components are correct for your vehicle before installation. For full details see our Website Disclaimer (Errors & Omissions).