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  3. PAI 381853

PAI 381853 Cat Thermostat Kit 3406E C15

fits model: C16.

381853 Pai Cat 3406e C15 C16 Thermostat Kit

( Brand: Pai ), ( Manufacturer Part Number: 381853 ), ( Type: Thermostat )

Review PAI Cat C15 Thermostat Kit fits C16

Introducing the PAI 381853 Thermostat Kit, specifically designed for Caterpillar C15 and C16 engines with model numbers 3406E. This thermostat kit is a must-have for those looking to ensure optimal engine cooling performance for their heavy-duty machinery.

The PAI 381853 Thermostat Kit is an OEM (Original Equipment Manufacturer) replacement part, which means it is engineered with the same high-quality materials and precision manufacturing techniques as the original components. This ensures a perfect fit and reliable functionality.

The thermostat is a critical component of the cooling system, regulating the temperature of the coolant passing through the engine. The PAI 381853 Thermostat Kit includes a new thermostat that features an advanced temperature control design. This design allows the engine to reach optimal operating temperature quickly while preventing overheating, thus improving engine efficiency and longevity.

Moreover, this kit comes with a gasket to ensure a tight seal between the thermostat housing and the engine block. The gasket is made of a high-temperature, resilient material that can withstand the extreme conditions inside the engine compartment. This ensures that coolant leaks are minimized or eliminated, preventing potential damage to the engine.

This thermostat kit is easy to install. It comes with clear, detailed instructions to guide you through the process. Additionally, all necessary hardware is included in the kit, making it a one-stop-shop solution for thermostat replacement.

In conclusion, the PAI 381853 Thermostat Kit is a high-quality, reliable replacement part for Caterpillar C15 and C16 engines. It ensures optimal engine cooling performance, improves efficiency, and extends the life of the engine. With its easy installation process and included hardware, this kit is an excellent value for those looking to maintain their heavy-duty machinery.

Pros and Cons of Buying a PAI 381853 Cat 3406E C15 C16 Thermostat Kit

The PAI 381853 Cat 3406E C15 C16 Thermostat Kit is a replacement part designed for Caterpillar engines. Here are some potential pros and cons of purchasing this thermostat kit.

Pros:

1. OEM (Original Equipment Manufacturer) Compatibility: This kit is designed and manufactured by the original equipment manufacturer, ensuring a perfect fit and function for Caterpillar engines.

2. Improved Engine Performance: A faulty thermostat can cause engine overheating, decreased fuel efficiency, and reduced power output. Replacing the faulty thermostat with a new one can help restore optimal engine performance.

3. Preventing Engine Damage: A malfunctioning thermostat can lead to severe engine damage, such as warped cylinder heads, cracked engine blocks, and damaged pistons. Replacing the thermostat can help prevent such damage.

4. Reliable: Caterpillar is a reputable brand known for producing high-quality parts. The PAI 381853 Cat 3406E C15 C16 Thermostat Kit is expected to be a reliable replacement part.

Cons:

1. Cost: Replacing a thermostat with an OEM part can be more expensive compared to aftermarket alternatives. However, the cost may be justified due to the potential benefits of using a high-quality, reliable part.

2. Installation Complexity: Installing the thermostat kit may require specialized tools and knowledge, potentially adding to the overall cost and time investment.

3. Longer Lead Time: Since the part is an OEM one, it may take longer to be delivered compared to aftermarket alternatives.

Conclusion:

The PAI 381853 Cat 3406E C15 C16 Thermostat Kit offers several benefits, including OEM compatibility, improved engine performance, and preventing engine damage. However, the cost, installation complexity, and longer lead time may be drawbacks for some buyers. Ultimately, the decision to purchase this thermostat kit depends on individual priorities, budget, and the importance of using a high-quality, reliable replacement part.

Recommendation:

If you prioritize engine performance, reliability, and the peace of mind that comes with using OEM parts, the PAI 381853 Cat 3406E C15 C16 Thermostat Kit is a solid choice. However, if cost and installation complexity are major concerns, you may want to consider aftermarket alternatives. Weigh the pros and cons carefully and make an informed decision based on your specific situation.

Details:

Contains 2 thermostats, thermostat seals, and gaskets for both 1 housings, includes gasket to Cl head as well. New sealed box PAI thermostat kit for Cat 3406E, C15, C16 engines.

part #: 381853 prices

  • $35.10-$109.00

specifications coenginecooling:

  • for models: C16
  • brand: Pai
  • mpn: 381853
  • type: Thermostat

payments coenginecooling:

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

seller coenginecooling:

  • rating: 100.0%
  • # reviews: 1797
  • city: Madras, Oregon

returns coenginecooling:

  • policy: No Returns

offer coenginecooling:

  • sold: 0
  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
  • quantity: 1
  • started: December 30, 2025

shipping coenginecooling:

  • cost: $10.65
  • carrier: USPS
  • service: USPS Ground Advantage
  • class: Standard
  • transit: 8-11 Days
  • type: Calculated

general coenginecooling:

  • Commercial Truck Parts > Engine Cooling > Thermostats
  • condition: New
for models: c16, type: thermostat,
category: auto parts > commercial truck parts > engine cooling > thermostats, sku: 8794963042495721,
Pai 381853 Is Similar To:
coenginecooling logo
5 offers $35.10–$109.00 USD
  • New. Offer #1 priced at $35.10 + $19.02 shipping estimate = $54.12* total. For Sale Here Is A New PAI Cat /C-15 Thermostat (180 ).+$19.02 shipping
  • New. Offer #2 priced at $72.99 + $19.96 shipping estimate = $92.95* total. +$19.96 shipping
  • New. Offer #3 priced at $109.00 + $18.24 shipping estimate = $127.24* total. Consists of: x2 Thermostats(PAI 381851), x2 Seals(PAI EOS-3305), x1 Regulator Housing Gasket(PAI 331347), x1 Regulator Cover Gasket(PAI 331285). New Genuine PAI Thermostat Kit P/N .+$18.24 shipping
  • New. Offer #4 priced at $111.83 + $0.00 shipping estimate = $111.83* total. Made of high-quality components for durability, reliability, and performance. Manufacturer :PAI.FREE SHIPPING
  • New. Offer #5 priced at $55.00 + $15.10 shipping estimate = $70.10* total. CATERPILLAR SERIES, C15, C16, C18 and 3400 SERIES including 3406B models. CATERPILLAR 120-9453, 1209453, 4W4011, 4W-4011, 6I4954, 6I-4954, 7E6210, 7E-6210, 7E9269, 7E-9269.+$15.10 shipping

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