1990 to 1993 300D 2.5 and 1989 190D 2.5 Monark Glow Plugs

Jul 9, 2022

Enhance Engine Performance with Monark Glow Plugs

Grafco Electric proudly presents the highest quality Monark glow plugs for your 1990 to 1993 300D 2.5 and 1989 190D 2.5 models. Our glow plugs are designed to improve engine performance, especially during cold weather conditions. With our exceptional product range, you can ensure an efficient and reliable start-up every time.

Why Choose Monark Glow Plugs?

Monark glow plugs are renowned for their exceptional quality and reliability. Designed with precision engineering, these glow plugs meet or exceed OEM standards, ensuring optimal performance for your diesel engine.

When it comes to running a diesel engine smoothly, the glow plugs play a crucial role. They preheat the combustion chamber before ignition, assisting with the combustion process and making cold starts effortless. Monark glow plugs provide the necessary heat to ignite the fuel-air mixture effectively, resulting in improved fuel efficiency and reduced emissions.

Step-by-Step Manual: Installing and Removing Glow Plugs

At Grafco Electric, we want to make your glow plug installation and removal process a breeze. To assist you further, we have created a comprehensive step-by-step manual that covers the entire process in detail. Whether you're a seasoned mechanic or a DIY enthusiast, our manual will guide you through the process with ease.

  1. Step 1: Prepare your work area by gathering the necessary tools and equipment.
  2. Step 2: Safely disconnect the battery to prevent any electrical mishaps.
  3. Step 3: Locate the glow plugs on your 1990 to 1993 300D 2.5 or 1989 190D 2.5 models.
  4. Step 4: Carefully remove the old glow plugs using the appropriate tools as outlined in the manual.
  5. Step 5: Install the new Monark glow plugs by following the detailed instructions provided.
  6. Step 6: Once the installation is complete, reconnected the battery and start your engine.

Improve Engine Start-Ups Instantly

With Monark glow plugs from Grafco Electric, you can experience effortless engine start-ups even in the coldest weather conditions. Our glow plugs are designed to provide rapid heat-up and reliable ignition, ensuring your engine is ready to perform at its best.

No more struggling with sluggish starts or excessive cranking. Invest in our Monark glow plugs today and notice an immediate improvement in your vehicle's performance.

Why Choose Grafco Electric?

At Grafco Electric, we take pride in our commitment to providing top-notch automotive electrical solutions for our customers. Here's why you should choose us:

  • Extensive Experience: With over 20 years of industry experience, we have gained the expertise necessary to deliver high-quality components.
  • Unmatched Quality: Our Monark glow plugs are manufactured using the finest materials and adhere to strict quality standards, ensuring long-lasting performance.
  • Exceptional Customer Service: We value our customers and strive to provide unparalleled customer service. Our knowledgeable team is always ready to assist you with any inquiries or concerns you may have.
  • Fast and Reliable Shipping: We understand the importance of timely delivery. When you order from us, you can expect fast and reliable shipping straight to your doorstep.
  • Competitive Pricing: We offer competitive prices without compromising on quality. With Grafco Electric, you get the best value for your money.


Upgrade your diesel engine's performance with Monark glow plugs from Grafco Electric. Our high-quality glow plugs are designed to enhance engine start-ups and improve overall efficiency. With our comprehensive step-by-step manual, installing and removing glow plugs becomes easier than ever.

Choose Grafco Electric as your trusted source for premium automotive electrical components. Order your Monark glow plugs today and experience the difference in performance and reliability.

Seth Gandara
These Monark glow plugs are a game-changer for starting my car in cold weather!
Oct 7, 2023