Description
Product Overview
The USonline911 Intake Heater Relay is engineered to replace the original Chrysler 68188401AA relay in 1994-2002 Dodge Ram 2500 and 3500 diesel trucks. Constructed from high‑temperature resistant materials, the relay delivers consistent power to the intake heater, ensuring rapid engine warm‑up in cold climates. It matches OEM specifications for voltage, current rating, and connector layout, providing a seamless fit without modifications. The part carries the manufacturer part number FBA2211-1 and is verified for compatibility with Cummins engines bearing part numbers 3924594 and 3969987.
Usage
Designed for heavy‑duty diesel applications, this relay performs optimally in harsh environments such as construction sites, off‑road towing, and cold‑weather operations. It is ideal for fleet owners, independent repair shops, and owners of Dodge Ram trucks who need a reliable solution to prevent intake heater failures that can lead to hard starts and increased fuel consumption. 
Why Choose Us
USonline911 combines rigorous testing with strict quality control to deliver a relay that meets or exceeds OEM standards. Each unit undergoes thermal cycling and vibration testing to guarantee durability under real‑world conditions. Our parts are backed by a comprehensive warranty and supported by a knowledgeable technical team, ensuring you receive both a product and the expertise needed for successful installation.
Key Features
- Exact OEM fit for 1994‑2002 Dodge Ram 2500/3500 diesel trucks
- High‑temperature resistant housing for reliable operation in extreme climates
- Direct replacement for part 68188401AA, eliminating the need for wiring modifications
- Compatible with Cummins engine part numbers 3924594 and 3969987
- Tested for durability, ensuring long‑term performance and reduced maintenance
FAQ
Is this relay compatible with gasoline‑engine Dodge trucks?
No, this relay is specifically designed for diesel‑engine models from 1994 to 2002. Using it on gasoline engines may result in improper operation.
Do I need any special tools to install the relay?
Installation requires basic hand tools such as a screwdriver and socket set. No specialized equipment is necessary, but professional installation is recommended.
Can I use this relay as a universal replacement for other brands?
The relay is engineered to match the specifications of the original Chrysler part. While it may fit some similar models, it is guaranteed for the listed Dodge Ram diesel applications.
What warranty does USonline911 provide?
USonline911 offers a one‑year limited warranty covering defects in materials and workmanship, ensuring peace of mind for the buyer.
Will this relay improve cold‑weather start performance?
Yes, by reliably powering the intake heater, the relay helps the engine reach optimal temperature faster, reducing strain during cold starts.
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