Glow Plug Relay HELLA DIN Rail 12V Automatic

Description

Product Overview

The HELLA Glow Plug Relay (model 008188021) is engineered to meet OE specifications for diesel engines, delivering precise control of glow plug heating. Constructed with silver‑plated contacts for superior conductivity and a machined exterior for durability, the relay operates on 12 V DC and features a normally open contact configuration. Its screw connector and three‑terminal layout ensure a secure, maintenance‑free connection, while the DIN rail mounting system allows quick, tool‑free installation in automotive control panels.

Usage

Designed for Mercedes‑Benz diesel vehicles, this relay is ideal for both professional workshops and DIY enthusiasts. It fits seamlessly into the engine management system, providing automatic activation of glow plugs during cold starts. Whether you are servicing a passenger car, light commercial vehicle, or performing a complete engine overhaul, the relay’s robust design withstands vibration and temperature extremes typical of automotive environments.

Why Choose Us

HELLA brings over a century of expertise in automotive lighting and electrical components. Each relay undergoes rigorous testing to guarantee compliance with OE standards, ensuring reliability comparable to original factory parts. Our packaging includes the relay and all necessary mounting hardware, reducing downtime and simplifying the replacement process. Backed by a strong reputation and positive customer reviews, this product offers peace of mind for critical engine start‑up functions.

Key Features

• Silver‑plated contacts for high conductivity and reduced wear
• 12 V DC coil voltage with automatic operation mode
• DIN rail mounting for fast, secure installation
• Screw connector and three‑terminal design for reliable wiring
• OE‑approved specification matching original Mercedes‑Benz parts

FAQ

Is this relay compatible with all Mercedes‑Benz diesel models?

Yes, the 008188021 relay is a direct OE replacement for a wide range of Mercedes‑Benz diesel engines that use a 12 V glow plug system.

Can I install the relay myself?

Absolutely. The DIN rail design and screw terminals allow a DIY installation with basic hand tools and no special training.

What is the warranty period for this relay?

HELLA provides a one‑year limited warranty covering defects in materials and workmanship.

Does the relay require any additional components?

The package includes the relay, mounting hardware, and a detailed wiring diagram, so no extra parts are needed for a standard replacement.

How does the silver contact material improve performance?

Silver offers the highest electrical conductivity among common contact materials, reducing resistance and heat buildup, which extends the relay’s service life.