Hella 12V 40A 4-Pin Main Current Relay with Holder IP54 - 4RA 965 400-071

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

Product Specifications

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.