5337966 Engine Thermostat for Cummins ISB 5.9L

7 products sold in last 18 hours

Selling fast! Over 15 people have in their cart

Premium aftermarket 5337966 thermostat (180°F) – direct replacement for Cummins ISB 5.9L engines industrial applications.

Brand：WINSCHEN
Country of Origin：CHINA
Minimum order quantity：1 PCS
Delivery time：1-3 Days

SKU：CMI-5337966

26 people are viewing this right now

Estimated Delivery : Up to 4 business days
Free Shipping & Returns : On all orders over $200

Guaranteed Safe And Secure Checkout

5337966 Engine Thermostat – High-Quality Aftermarket Replacement for Cummins Engines

Maintain optimal engine temperature in your Cummins-powered vehicle with this premium aftermarket 5337966 thermostat (180°F opening). Engineered as a direct OEM replacement, it provides precise temperature regulation to prevent overheating, improve fuel efficiency, and protect engine components in heavy-duty truck and industrial applications.

Key Benefits for Contractors and Operators

Prevents Overheating: Opens at 180°F for reliable coolant flow, reducing risk of engine damage in demanding conditions.
Direct Fit Installation: Matches genuine Cummins specs for quick, no-modification replacement – easy to install during routine maintenance.
Built Tough for Heavy Duty Use: High-grade construction resists heat, corrosion, and wear for long-lasting performance.
Cost-Effective Alternative: OEM-level reliability at aftermarket pricing – ideal for fleet owners and budget-conscious operations.
Fast Shipping: In stock and ready to ship within 1-3 days.

Compatible Cummins Models

This thermostat is commonly used in engines including (verify your engine’s parts manual for exact fit):

ISB 5.9L 24V
QSB, ISF series in industrial equipment

Specifications

Part Number	5337966 (replaces 5292742, 4929642, 3967195)
Type	Engine Coolant Thermostat
Opening Temperature	180°F (82°C)
Application	Engine Temperature Regulation
Material	High-Quality Durable Components
Origin	China (Premium Aftermarket)
MOQ	1 Piece