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Engine Coolant Thermostat Cummins 3800884 | C6004216120, 600-421-6120, 8973617700

Manufacturer: Cummins
Part#: 3800884
Cross References:
Price on request
Available to order

Ensure optimal engine temperature regulation and prevent overheating with this high-performance thermostat kit designed for Cummins B3.3 and QSB3.3 engines. Engineered to meet precise specifications, it guarantees reliable cooling system efficiency and long-lasting durability.

Description

Keep Your Engine Running at Peak Efficiency

The Cummins 3800884 Thermostat Kit is a critical component of your engine’s cooling system, specifically engineered for Cummins B3.3 and QSB3.3 diesel engines. By regulating the flow of coolant through the engine and radiator, this thermostat ensures your engine quickly reaches and maintains its optimal operating temperature of 180°F (82°C). This precise temperature control prevents overheating, reduces wear, and maximizes fuel efficiency.

Key Features & Benefits

  • Precise Temperature Regulation: Opens reliably at 180°F (82°C) to maintain the ideal thermal balance for heavy-duty operations.
  • Engine Protection: Prevents critical engine damage and costly downtime caused by overheating or running too cold.
  • Perfect Fitment: Designed to meet exact dimensional specifications for a seamless, leak-free installation.
  • Enhanced Durability: Constructed from premium-grade materials to withstand extreme temperatures and corrosive coolant environments.

Technical Specifications

  • Part Number: 3800884
  • Opening Temperature: 180°F (82°C)
  • Outer Diameter (with rubber seal): 56.50 mm
  • Outer Diameter (without rubber seal): 54.00 mm
  • Compatible Engine Models: Cummins B3.3, QSB3.3, QSB3.3 CM2150

Why Replace Your Thermostat?

A failing or stuck thermostat can lead to severe engine issues. If stuck closed, it will cause rapid engine overheating and potential head gasket failure. If stuck open, the engine will run below its optimal temperature, leading to poor fuel economy, increased emissions, and accelerated component wear. Regular maintenance and timely replacement with a high-quality thermostat kit are essential for the longevity of your equipment.