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SKU:
ZZ3F04238
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82℃ Themostat 3800884 Fit for Cummins B3.3 4B3.3 Engine
$53.29
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Compatible Models
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Compatible equipment / model
Thermostat 3800884 for Cummins B3.3 4B3.3 Engine
This thermostat 3800884 for Cummins B3.3 and 4B3.3 engines regulates coolant flow to maintain optimal operating temperature, preventing overheating or overcooling.
Overview
This thermostat 3800884 is a direct replacement for Cummins B3.3 and 4B3.3 engines, ensuring the cooling system maintains proper temperature under varying loads. It works as a reliable OEM cross-reference part for the original thermostat, keeping the engine running efficiently. This thermostat for Cummins engines opens at the rated 82°C to allow coolant circulation when warm-up is complete.
Built For Performance
- Opens at 82°C (179.6°F) for precise temperature control.
- Constructed with a corrosion-resistant metal frame and wax element.
- Seals tightly to prevent coolant leaks when closed.
- Direct OE fitment for B3.3 and 4B3.3 series engines.
- Tested for reliable operation in demanding conditions.
Fits These Machines
- for Cummins B3.3 Engine
- for Cummins 4B3.3 Engine
On-The-Job Use
- Replacing a stuck-open or stuck-closed thermostat during engine overhaul.
- Maintaining consistent operating temperature for generator sets and industrial equipment.
- Fixing overheating issues caused by a faulty thermostatic valve.
Specs At A Glance
| Part Number(s) | 3800884 |
| Opening Temperature | 82°C (179.6°F) |
| Engine Fitment | for Cummins B3.3 and 4B3.3 |
Good To Know
Q: What happens if the thermostat fails closed? A: A stuck-closed thermostat blocks coolant flow, causing the engine to overheat quickly. Replace it immediately to avoid severe engine damage.
Q: Can I test this thermostat before installation? A: Yes, submerge it in hot water at 82°C and observe that it opens fully. If it fails to open, it is defective and should not be installed.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.