Gates 34719 Engine Coolant Thermostat

Overview of Gates Integrated Housing Thermostat 34719

The Gates Integrated Housing Thermostat 34719 is engineered for precise engine temperature regulation in select Audi and Volkswagen models. Designed to meet exact OE specifications, this thermostat housing assembly ensures reliable coolant flow and optimal engine performance.

• Integrated housing thermostat design for streamlined installation
• Start to open temperature at 100°C (212°F) for accurate thermal control
• Two bolt holes for secure mounting
• Multiple outlet inside diameters (.92", .989", 1.005") and outside diameters (1.145", 1.275") for compatibility
• OE exact fit for Audi A3, A3 Quattro, Volkswagen Jetta, Passat, GTI, and more
• Includes one seal for leak prevention
• No jiggle pin or check valve included

Product Line Details: Gates Integrated Housing Thermostat

The Gates Integrated Housing Thermostat product line combines the thermostat and housing into a single unit, simplifying replacement and reducing potential leak points. This design supports efficient coolant flow and consistent engine temperature management, aligning with OE standards. The 34719 part number represents this integrated approach, tailored for specific Audi and Volkswagen vehicles requiring precise thermal regulation.

Technical Description and Specifications

This engine coolant thermostat features a start to open temperature of 100°C (212°F), ensuring the engine reaches optimal operating temperature before coolant circulation begins. The housing includes two bolt holes for secure attachment and comes with one seal to maintain a tight, leak-free connection. The outlet diameters vary to accommodate different coolant hose sizes, with inside diameters of .92", .989", and 1.005", and outside diameters of 1.145" and 1.275". The thermostat is non-electric and does not include a jiggle pin or check valve, consistent with the original equipment design.

Compatible Vehicles and Applications

• Audi A3 and A3 Quattro
• Volkswagen Bora, Eos, GTI, Jetta, Jetta City, Passat
• Volkswagen TT, TT Quattro, TTS Quattro

This thermostat housing assembly is specifically designed for these models, ensuring proper fit and function in their cooling systems.

Common Issues Addressed by This Thermostat

• Engine overheating due to thermostat failure
• Coolant leaks from damaged or worn housing seals
• Poor engine temperature regulation affecting performance
• Inconsistent coolant flow causing engine warm-up delays
• Replacement of faulty or aging OE thermostat housings

Installation Notes and Tips

• Ensure engine is cool before beginning installation to avoid burns
• Replace the seal included with the thermostat housing to prevent leaks
• Verify bolt hole alignment and torque bolts to manufacturer specifications
• Inspect coolant hoses for wear and replace if necessary during installation
• Bleed the cooling system after installation to remove air pockets

Quality Assurance and Warranty

The Gates Integrated Housing Thermostat 34719 is manufactured to meet OE exact standards, ensuring reliable performance and durability. Gates products typically come with a limited warranty against defects in materials and workmanship; please refer to official Gates documentation for specific warranty details.