CUMMINS 3681195 Qsx Thermostat Housing 523-11940

( Brand: Cummins ), ( Manufacturer Part Number: 3681195 ), ( Type: Thermostat Housing )

Review CUMMINS Qsx Thermostat Housing

The Cummins QSX thermostat housing 523-11940 is a crucial component of your engine cooling system designed specifically for Cummins engines. This housing is engineered to securely hold the thermostat in place, ensuring optimal engine temperature regulation.

The thermostat housing is made from high-quality materials, ensuring durability and longevity. Its robust design can withstand the harsh conditions of commercial and industrial applications, making it an ideal choice for heavy-duty vehicles and equipment.

The housing features a well-designed thermostat mounting area, enabling a secure and accurate installation of the thermostat. The O-ring seal integrated into the design guarantees a leak-free connection between the housing and the engine coolant system.

The Cummins 523-11940 QSX thermostat housing is a direct replacement for the original equipment, ensuring a perfect fit and function. Its precise dimensions and engineered shape make it an excellent match for your Cummins engine, ensuring seamless integration and optimal performance.

This thermostat housing is an essential upgrade for any Cummins engine owner looking to maintain the optimal engine temperature and prolong the life of their cooling system. Its high-quality materials and robust design make it a reliable and dependable choice for even the most demanding applications.

In summary, the Cummins QSX thermostat housing 523-11940 is a critical component of your engine cooling system, designed to securely hold the thermostat in place and regulate engine temperature. Its high-quality materials, robust design, and precision engineering make it an ideal choice for heavy-duty applications, ensuring optimal performance and longevity.

The Cummins 3681195 QSX thermostat housing 523-11940 is a critical component of the cooling system in Cummins engines. Replacing a worn-out or damaged thermostat housing can help prevent overheating and ensure optimal engine performance. Here are some potential pros and cons of buying this specific thermostat housing:

1. OEM (Original Equipment Manufacturer) Part: This part is manufactured by Cummins, ensuring a perfect fit and compatibility with your engine.

2. High-Quality Material: The housing is made from durable materials, designed to withstand the extreme temperatures and pressures of the engine cooling system.

3. Restores Cooling System Efficiency: A new thermostat housing can help restore the cooling system's efficiency, improving overall engine performance and longevity.

4. Reduces the Risk of Overheating: A faulty thermostat housing can cause the engine to overheat, potentially leading to costly repairs or even engine damage. Replacing the housing can help prevent these issues.

5. Easy Installation: The thermostat housing is a relatively simple part to replace, making it an accessible DIY project for many engine owners.

1. Cost: Replacing a thermostat housing can be a significant investment, especially when considering the labor costs for professional installation.

2. Availability: Depending on your location and engine model, finding this specific part may require some effort and potentially longer lead times.

3. Potential for Additional Repairs: Replacing a thermostat housing could be a sign of other underlying issues within the cooling system, requiring additional repairs or maintenance.

In conclusion, the Cummins 3681195 QSX thermostat housing 523-11940 is an essential component for maintaining the cooling system and overall performance of Cummins engines. While the cost and potential for additional repairs can be drawbacks, the benefits of restoring cooling system efficiency, reducing the risk of overheating, and ensuring a perfect fit make it a worthwhile investment for many engine owners. If you're experiencing cooling system issues or preventative maintenance, consider replacing your thermostat housing with this OEM part.

Details:

ITEMS PURCHASED: Buyer certifies the item purchased is correct for application. Cummins QSX Thermostat Housing: Price:: $115.00: Tag No. 523-11940 Part No.

part #: 3681195 prices

• $111.72-$266.48

specifications coenginecooling:

• brand: Cummins
• mpn: 3681195
• type: Thermostat Housing

general coenginecooling:

• Commercial Truck Parts > Engine Cooling > Thermostats
• condition: Used

shipping coenginecooling:

• type: Calculated
• carrier: FedEx
• class: Economy, Expedited, One-day
• transit: 4-8 Days
• cost: $29.27
• service: FedEx Ground Economy, FedEx 2Day, FedEx Standard Overnight, FedEx Priority Overnight

offer coenginecooling:

• availability: In Stock
• started: July 18, 2025
• sold: 0
• quantity: 1
• options: Ship-to-home

seller coenginecooling:

• city: Dorr, Michigan
• # reviews: 6974
• rating: 99.5%

payments coenginecooling:

• credit card: Discover
• other
• wallet: Google-pay

returns coenginecooling:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

Cummins 3681195 Is Similar To:

• 3104698 Cummins Thermostat Upper Housing Oem (58.1% similar) Cummins thermostat upper housing oem in good condition please see pictures...(October 29th, 2018)
• 181840 181842 Pai Thermostat For Cummins Ref (43.5% similar) New genuine pair thermostat P/N as pictured...(December 7th, 2018)
• 181844 Pai Thermostat For Cummins Brand (46% similar) seal alternative and other replacement reference part numbers: Cummins includes: thermostat ref...(December 7th, 2018)
• 181862 Pai Non Vented Thermostat For Cummins (41.3% similar) 3l thermostat 83C, 180 degree non-vented. Applications: Cummins 6c note: gasket seal not included...(March 16th, 2019)
• 2870231 Cummins Oem Oil Cooler Housing With Core (43.8% similar) Anytime through messaging. Our address is 1510 highway 29 north...(December 20th, 2018)
• 2883312 Cummins Thermostat Housing (63.4% similar) ...(July 4th, 2019)
• 3073695 Cummins Diesel Engine Water Pump With Housing Oem (40% similar) Cummins QSM11 diesel engine water pump with housing oem in good condition please see pictures...(February 13th, 2019)
• 3076489 Cummins New Degree Thermostat (47.1% similar) New Cummins thermostat part. No packaging, loose new part...(October 29th, 2018)
• 3102479 Cummins Thermostat Housing (63.4% similar) ...(June 18th, 2019)
• 3278742 Cummins Oil Cooler Housing (46.3% similar) The item may also fit other model's as well. The model's listed may not include information about serial number breaks. Shipping: free shipping only applies to those addresses located within the lower continental 48 states...(March 30th, 2019)
• 3285102 Cummins Thermostat Housing (63.4% similar) ...(June 22nd, 2019)