Description: EGR Coolant Return Manifold For I786 A26 12.4L
Brand: international
Condition: New
Part Number: 7098180C1
Fitment Guide 7098180C1:
For I786 A26 12.4L
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Heavy Extreme
Regional Haul
Linehaul Transport
HV with Heavy Duty Engines
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An EGR coolant return manifold 7098180C1 is a component in a vehicle’s cooling and emissions system that collects and redirects engine coolant from the EGR cooler back into the engine’s main cooling circuit.
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1. Removes heat from the EGR system
Coolant absorbs heat from the EGR cooler, and the manifold carries that hot coolant away so the system doesn’t overheat.
2. Returns coolant to the cooling system
It directs the used coolant back into the engine’s cooling loop (radiator/engine block) so it can be cooled and reused.
3. Maintains stable engine temperatures
By keeping coolant flowing properly, it helps prevent hot spots that could damage engine or EGR components.
4. Supports emissions control
Keeping the EGR system at the right temperature ensures it works efficiently, reducing harmful emissions.
5. Distributes coolant efficiently
In some designs, the manifold connects multiple coolant passages, ensuring even flow between components.
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Signs of Faulty 7098180C1:
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1. Coolant leaks
- Puddles under the car (often green, orange, or pink fluid)
- Wet or crusty residue around the manifold area
- A noticeable sweet smell from leaking coolant
2. Engine overheating
- Temperature gauge running higher than normal
- Warning lights for high engine temperature
- Caused by loss of coolant or poor circulation
3. Low coolant level
- Frequently needing to top off coolant
- No obvious external leak elsewhere
4. White smoke or steam
- Coolant leaking onto hot engine parts can create steam
- In severe cases, coolant entering the exhaust system can cause white smoke
5. Poor engine performance
- Rough running or reduced efficiency if the EGR system isn’t cooling properly
- Possible hesitation or reduced power
6. Check engine light
- Fault codes related to EGR system performance or temperature issues
7. Visible damage
- Cracks in the manifold (common in plastic versions)
- Warping or corrosion
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Manufacturer information
Navistar® is a proud manufacturer of some of the widely used trucks, yellow school buses, defense vehicles, and engines. It was recognized as the first truck and engine manufacturer to be certified by the EPA for meeting 2007 standards for hydrocarbons and particulate matter. But the company's global portfolio is not limited to its line of vehicles and engines—it also carries high-quality replacement parts and accessories to keep all these working in top condition at all times. From hose fuel, bolts, plugs, rivets, and bearings to flashers, incandescent lamps, camshaft brake, gasket injector, and spring door locks, Navistar has also got you covered.
Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.
