
Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Thermostat Housing Gasket Cummins 3923331 | J923331, 3920020, J920020, 3903301
Manufacturer:
Cummins
Part#:
3923331-EN
Cross References:
Price on request
Available to order
Ensure a leak-free cooling system with this premium thermostat housing gasket for Cummins 4BT and 6BT engines. Engineered to withstand extreme temperatures and provide a precise, reliable seal.
Description
Reliable Sealing for Cummins 4BT and 6BT Engines
The Cummins 3923331 Thermostat Housing Gasket is engineered to deliver a precise, leak-free seal for your engine’s cooling system. Designed specifically for Cummins 4BT (3.9L) and 6BT (5.9L) engines, this gasket prevents coolant leaks, ensuring optimal engine temperature regulation and preventing overheating.
Key Features & Benefits
- Superior Temperature Resistance: Manufactured from high-grade materials to withstand extreme operating temperatures within the cooling system.
- Perfect Fitment: Precision-engineered to match the exact specifications of the thermostat housing for a snug, hassle-free installation.
- Enhanced Durability: Provides the necessary rigidity and radial strength to seal minor surface irregularities and resist degradation over time.
- Broad Compatibility: Fits popular Cummins 4BT 3.9 and 6BT 5.9 diesel engines.
Technical Specifications
- Part Number: 3923331
- Compatible Engines: Cummins 4BT (3.9L), Cummins 6BT (5.9L)
- Product Type: Thermostat Housing Gasket



