What is the material of the plug?

It's Stainless Steel,In order to connect, electrify.Vacuum Pump Relay Stainless Steel Brake 28146RE.

On the one pictures (the wiring diagram) it shows what looks like a resistor, Is one needed and if so how many ohms??

The picture is a relay, and yes its needed. Follow the wiring diagram, and it will work just fine.

What are the dimensions of this item?

Hello, the size we measure is 2.17*1.18*1.18 in.There may be a bit of error.

Yes.........wouldn't install in a wet area but other than that yes

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Dracarys 28146 Relay Replacement Electric Vacuum Pump Relay for Brake Booster Vacuum Pump Kit (Automatic, Normally Open)

Product ID: 83740378

Details

Brand
Dracarys
Connector Type
Quick Connect
Contact Type
Normally Open
Mounting Type
Panel Mount
Operation Mode
Automatic

⚡High amp protection

❄️Maximized cooling

🛠️Quick connect terminals

Description

⚡ Power up your brake system with confidence — don’t get left behind!

COOL UNDER PRESSURE - Engineered to maximize cooling, extending relay lifespan ❄️
AMP SMART PROTECTION - Safeguards your electrical system from overloads and high amp surges ⚡
PLUG PLAY PRECISION - Quick connect terminals for seamless, hassle-free installation 🛠️
AUTOMATIC NORMALLY OPEN - Optimized for automatic operation with normally open contact for consistent performance
RELIABLE BRAKE BOOSTER SUPPORT - Specifically designed as a perfect replacement for electric vacuum pump kits

The Dracarys 28146 Relay is a stainless steel, panel-mount replacement relay designed for electric vacuum pump brake booster kits. Featuring automatic operation with normally open contacts, it protects your vehicle’s electrical system from high amp damage while maximizing cooling to prevent overload. Quick connect terminals ensure easy installation, making it an essential upgrade for reliable brake assist performance.

Specifications

ASIN	B078T6HF2Z
Brand Name	Dracarys
Connector Type	Quick Connect
Contact Type	Normally Open
Customer Reviews	4.3 4.3 out of 5 stars (53)
Manufacturer	Dracarys
Mounting Type	Panel Mount
Operation Mode	Automatic
Part Number	28146BP-003
UPC	610877845903

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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