Bosch F01C600335 Diesel Exhaust Fluid (DEF) Heater

Bosch DEF Heater for GM HD Diesel Applications

The Bosch F01C600335 is a Diesel Exhaust Fluid (DEF) heater for emission control systems on select Chevrolet Silverado HD and GMC Sierra HD diesel trucks. Built under Bosch’s Urea Fluid Heater (New) product line, it supports DEF system operation in cold-weather conditions for 2010-2012 heavy-duty applications.

Key Features

• Bosch Urea Fluid Heater (New) for emission control service
• Fits select Chevrolet Silverado 2500 HD and Silverado 3500 HD models
• Fits select GMC Sierra 2500 HD and Sierra 3500 HD models
• OE-focused Bosch diesel fuel system expertise for passenger vehicles, SUVs, vans, and trucks
• Previously cataloged as F01C600307
• Cross-reference: 84412929

Detailed Description

Use the Bosch F01C600335 when servicing the DEF heating circuit on compatible GM heavy-duty diesel trucks. This part number is listed for 2010-2012 Chevrolet Silverado 2500 HD, 2010-2012 Chevrolet Silverado 3500 HD, 2010-2012 GMC Sierra 2500 HD, and 2010-2012 GMC Sierra 3500 HD applications. Bosch’s OE supply background in diesel fuel systems makes this heater a practical choice for emission control repairs where reliable DEF temperature management is required. The Bosch F01C600335 also appears under the earlier catalog number F01C600307.

What It Helps Address

• DEF fluid not heating properly in cold conditions
• Emission system faults related to urea fluid temperature control
• Warning lights tied to DEF heater circuit issues
• Reduced diesel exhaust fluid system performance during winter operation
• Service replacement for worn or failed heater components

Installation Notes and Tips

Confirm the vehicle’s year, make, model, and emission system configuration before ordering. For fitment-specific service, use the exact application listing for 2010-2012 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD. Inspect the DEF system for related faults, connectors, and wiring before installing the replacement heater. Verify the part number F01C600335 against the vehicle’s existing catalog reference and service information.

Quality Assurance

Bosch is a major original-equipment supplier of diesel fuel system components for cars, SUVs, vans, and trucks. This part is built for emission control service in OE-style applications and is identified by Bosch part number F01C600335.