HomeBelts and Cooling > Gaskets and Sealing SystemsMahle GS33421 Engine Coolant Crossover Pipe Mounting Set
Part #: GS33421

Mahle GS33421 Engine Coolant Crossover Pipe Mounting Set

⚙️ 54 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Lincoln, Expedition, Navigator, F-150, F-250 Super Duty, F-350 Super Duty, and Mark LT
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Reliable Engine Coolant Crossover Pipe Mounting Set for Ford and Lincoln

The Mahle GS33421 Engine Coolant Crossover Pipe Mounting Set is designed to provide a secure and leak-free seal for your vehicle's cooling system. Engineered to meet OEM standards, this mounting set is compatible with select Ford and Lincoln models, ensuring proper fit and function.

Key Features of Mahle GS33421 Mounting Set

  • Includes water crossover gaskets for complete installation
  • Gaskets made from molded rubber for durability and effective sealing
  • OEM standard item grade ensures reliable performance
  • Package contains two mounting sets for dual applications or replacements
  • Compatible with Ford Expedition, F-150, F-250 Super Duty, F-350 Super Duty, Mark LT, and Lincoln Navigator

Detailed Product Description

The Mahle GS33421 Engine Coolant Crossover Pipe Mounting Set is specifically designed to maintain the integrity of the engine coolant crossover pipe connection. The molded rubber gaskets provide a tight seal that resists coolant leaks and withstands high temperatures and pressure fluctuations common in heavy-duty Ford and Lincoln vehicles. This mounting set meets OEM standards, ensuring it matches the quality and specifications of original parts used in Ford Expedition, F-150, F-250 Super Duty, F-350 Super Duty, Mark LT, and Lincoln Navigator models.

Common Applications and Problem Solving

  • Prevents coolant leaks at the crossover pipe connection
  • Eliminates overheating issues caused by coolant loss
  • Replaces worn or damaged gaskets to restore proper sealing
  • Addresses coolant system pressure drops due to faulty seals
  • Supports maintenance of engine cooling efficiency in Ford and Lincoln trucks and SUVs

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Clean the mounting surfaces thoroughly to remove old gasket material and debris
  • Use the included molded rubber gaskets to ensure a proper seal
  • Torque mounting bolts to manufacturer specifications to prevent leaks
  • Inspect the coolant crossover pipe for damage before installing the new mounting set

Quality Assurance and Warranty Information

Mahle GS33421 is manufactured to meet OEM standards, providing dependable quality and fitment for Ford and Lincoln vehicles. The product undergoes rigorous quality control to ensure durability and performance. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.

BrandMahle
Part NumberGS33421
Additional Package ContentsContains Water Crossover Gaskets
Gasket MaterialMolded Rubber
Item GradeOEM Standard

This part fits 54 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2014LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2013FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2013LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2012FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2012LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2011FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2011LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010FordF-1505.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010FordF-250 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010FordF-250 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010FordF-350 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010FordF-350 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2010LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009FordF-1505.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009FordF-250 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009FordF-250 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009FordF-350 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009FordF-350 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2009LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008FordF-1505.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008FordF-250 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008FordF-250 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008FordF-350 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008FordF-350 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008LincolnMark LT5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2008LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007FordF-1505.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007FordF-250 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007FordF-250 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007FordF-350 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007FordF-350 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007LincolnMark LT5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2007LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006FordF-1505.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006FordF-250 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006FordF-250 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006FordF-350 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006FordF-350 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006LincolnMark LT5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2006LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005FordExpedition5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005FordF-1505.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005FordF-250 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005FordF-250 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005FordF-350 Super Duty6.8LV10N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005FordF-350 Super Duty5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2005LincolnNavigator5.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.
2004FordF-1505.4LV8N/AFor optimal performance during installation of Engine Coolant Thermostat Seal, use the included gasket from the set.

* 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:

3578935791

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.