Is the unit really 5" x 5" x 5" or is that the box it comes in?

It is no where near 5x5x5" the unit itself is more close to 1x1x1". Be aware though when I purchased this unit I received a dual pole and not a single pole as advertised (i received a relay with 5 prongs instead of 4) and still have not received the right model after Amazon provided 2 more attempts at reimbersment. Though for my application it can still be used (just slower switch reaction do to no power being provided on the 5th prong)

Are these relays suitable for outside the cab of a vehicle. It will receive light moisture at times.

I installed mine under the hood.

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⚡ Elevate your ride with HELLA’s powerhouse relay – reliability you can’t afford to miss!

TRUSTED OE QUALITY - Manufactured by HELLA, a 120+ year industry leader with 100M+ units/year
POWERHOUSE SWITCHING - Handles up to 40A for heavy-duty automotive loads
EXTREME CLIMATE READY - Operates flawlessly from freezing -40°C to scorching 125°C
PLUG PLAY PRECISION - ISO-standard 4-pole flat plug ensures seamless integration
VERSATILE AUTOMOTIVE ESSENTIAL - Perfect for headlights, starters, fuel pumps, fans, and horns

The HELLA 4RA 965 400-001 is a 12V, 4-pole mini relay engineered for automotive excellence. With a robust 40A switching capacity and a wide operating temperature range from -40°C to 125°C, it meets ISO standards for plug and contact configurations. Trusted by professionals and produced in massive volumes by HELLA, this relay ensures dependable performance for critical vehicle systems like headlights, starters, and fuel pumps.

AR$53214

Duties & taxes incl.

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TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Manufacturer	Hella KGaA Hueck & Co.
Part number	965400001
Item Weight	31.8 g
Product Dimensions	3.8 x 3.8 x 7.5 cm; 31.75 g
Item model number	4RA 965 400-001
Size	Einzelpack
Colour	black
Wattage	4.8E+2
Item Package Quantity	1
Measurement System	Imperial
Plug profile	Plug In Mount
Specification met	IEC 7588, ISO 8092
Included components	Relay
Batteries included?	No
Batteries Required?	No

HELLA 4RA 965 400-001 Minirelais, Arbeitsstromrelais, 12 V, 4-polig, Spulenwiderstand: 90 Ohm, Halter: ja

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