Description
Product Overview
The Jescarno Glow Plug Control Module is engineered for 2004‑2005 Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 heavy‑duty trucks. Constructed from sturdy metal with heat‑tolerant rubber inserts, the module resists vibration and high engine bay temperatures. Precise circuit layout delivers steady electrical signals to the glow plugs, ensuring reliable starts and smooth operation even on long hauls. Dimensions are 4.92 x 4.53 x 1.38 inches and it weighs only 8.3 ounces, fitting seamlessly into the original mounting location.
![[Product front view showing all components]](https://www.heavenbuy.store/wp-content/uploads/2026/06/99ff0731a9a04629850ca6a529cd67b8.jpg)
Usage
Ideal for drivers who rely on diesel engines in demanding conditions—construction sites, off‑road work, or long‑distance transport. The module replaces the OEM part number 8973796350 or 0000984143 and restores the original response speed of the glow plug system. Install it during routine maintenance or when you notice slower engine cranking, especially in cold weather.
Why Choose Us
Jescarno combines automotive expertise with rigorous quality testing. Each unit undergoes thermal cycling and vibration tests to guarantee durability. Our 1‑year warranty reflects confidence in the product’s longevity, and our support team is ready to assist with any installation questions.
Key Features
- Sturdy metal housing with heat‑resistant rubber for lasting durability
- Precise circuit design provides consistent glow plug signals
- Direct fit for 2004‑2005 Silverado and Sierra 2500/3500 models
- Lightweight (8.3 oz) for easy installation without extra brackets
- 1‑year warranty and responsive customer support for peace of mind
FAQ
Will this module work on my 2005 Silverado 3500?
Yes, it is a direct replacement for the OEM part numbers 8973796350 and 0000984143 used in 2004‑2005 Silverado 2500 and 3500 trucks.
Do I need any special tools to install it?
Installation requires basic hand tools such as a socket set and screwdriver. No specialized equipment is needed.
What warranty does Jescarno provide?
The module comes with a 1‑year limited warranty covering defects in materials and workmanship.
Can I use this module on a diesel engine other than Chevrolet or GMC?
It is specifically calibrated for Chevrolet and GMC heavy‑duty diesel models listed above. Compatibility with other brands is not guaranteed.
How does the heat‑tolerant material improve performance?
The rubber inserts absorb engine heat and vibration, preventing signal loss and extending the module’s service life under harsh conditions.
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