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Fel-Pro 35703 Engine Coolant Thermostat O-Ring
Reliable Engine Coolant Thermostat O-Ring for Dodge Ram 2500 and 3500
The Fel-Pro 35703 Engine Coolant Thermostat O-Ring is designed to provide a secure seal in the cooling system of Dodge Ram 2500 and Ram 3500 models. This premium-grade O-ring ensures proper thermostat function by preventing coolant leaks and maintaining system integrity.
Key Features of Fel-Pro 35703 Engine Coolant Thermostat O-Ring
- Premium grade material for enhanced durability and heat resistance
- Specifically engineered for Dodge Ram 2500 and Ram 3500 vehicles
- Precise fitment to ensure a leak-free seal around the thermostat housing
- Compatible with engine coolant systems requiring a reliable sealing solution
- Manufactured by Fel-Pro, a trusted name in gaskets and sealing systems
Detailed Product Description
The Fel-Pro 35703 O-ring is a critical component in the engine coolant thermostat assembly for Dodge Ram 2500 and 3500 trucks. Made from premium-grade materials, this O-ring withstands high temperatures and pressure fluctuations within the cooling system. Its precise dimensions ensure a tight seal, preventing coolant leaks that can lead to engine overheating or inefficient thermostat operation. This part is categorized under Belts and Cooling > Gaskets and Sealing Systems, emphasizing its role in maintaining the integrity of the engine’s cooling circuit.
Common Applications and Issues Addressed
- Prevents coolant leaks around the thermostat housing
- Maintains proper thermostat function and engine temperature regulation
- Reduces risk of engine overheating due to coolant loss
- Eliminates coolant seepage that can cause corrosion or damage to engine components
- Ensures reliable sealing in Dodge Ram 2500 and Ram 3500 cooling systems
Installation Notes and Tips
- Ensure the thermostat housing surface is clean and free of debris before installation
- Lubricate the O-ring lightly with engine coolant or appropriate lubricant to ease installation
- Check the O-ring for any damage or deformities prior to fitting
- Install the O-ring carefully to avoid twisting or pinching, which can compromise the seal
- Tighten thermostat housing bolts to manufacturer specifications to prevent leaks
Quality Assurance and Warranty
Fel-Pro parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance in demanding automotive environments. The 35703 Engine Coolant Thermostat O-Ring undergoes rigorous quality control to guarantee fitment and durability. While specific warranty details may vary, Fel-Pro products typically come with a limited warranty against defects in material and workmanship.
This part fits 64 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2024 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2024 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2023 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2023 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2022 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2022 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2021 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2021 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2021 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2021 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2020 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2020 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2020 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2020 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2019 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2019 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2019 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2019 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2018 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2018 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2018 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2018 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2017 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2017 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2017 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2017 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2016 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2016 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2016 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2016 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2015 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2015 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2015 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2015 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2014 | Ram | 2500 | 6.4L | V8 | N/A | |
| 2014 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2014 | Ram | 3500 | 6.4L | V8 | N/A | |
| 2014 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2013 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2013 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2012 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2012 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2011 | Ram | 2500 | 6.7L | L6 | N/A | |
| 2011 | Ram | 3500 | 6.7L | L6 | N/A | |
| 2010 | Dodge | Ram 2500 | 6.7L | L6 | N/A | |
| 2010 | Dodge | Ram 3500 | 6.7L | L6 | N/A | |
| 2009 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2009 | Dodge | Ram 2500 | 6.7L | L6 | N/A | |
| 2009 | Dodge | Ram 3500 | 6.7L | L6 | N/A | |
| 2008 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2008 | Dodge | Ram 2500 | 6.7L | L6 | N/A | |
| 2008 | Dodge | Ram 3500 | 6.7L | L6 | N/A | |
| 2007 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2007 | Dodge | Ram 2500 | 6.7L | L6 | N/A | |
| 2007 | Dodge | Ram 3500 | 5.9L | L6 | N/A | |
| 2007 | Dodge | Ram 3500 | 6.7L | L6 | N/A | |
| 2006 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2006 | Dodge | Ram 3500 | 5.9L | L6 | N/A | |
| 2005 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2005 | Dodge | Ram 3500 | 5.9L | L6 | N/A | |
| 2004 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2004 | Dodge | Ram 3500 | 5.9L | L6 | N/A | |
| 2003 | Dodge | Ram 2500 | 5.9L | L6 | N/A | |
| 2003 | Dodge | Ram 3500 | 5.9L | L6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.