Dorman Coolant Reservoir (MPN: 603-102)

Durable replacement for optimal engine cooling performance.

The Dorman Coolant Reservoir is designed to replace the original engine coolant reservoir in specific vehicle applications. Constructed from premium plastic, this reservoir is engineered to endure the high temperatures and vibrations found in underhood environments. It ensures a precise fit and reliable performance, mirroring the functionality of the original equipment.

This coolant reservoir is a direct replacement, allowing for a straightforward installation process without the need for modifications. It comes equipped with a reservoir cap, ensuring that the system remains sealed and effective in maintaining the engine's cooling system. The quality materials used in its construction provide durability and longevity, making it a dependable choice for vehicle maintenance.

Features

• Manufactured From Premium Plastic
• Quality Materials - Built To Withstand Excessive Heat And Vibration
• Direct Replacement - This Engine Coolant Reservoir Fits And Functions Like Original Equipment
• Trouble-Free Installation

Specifications

• Manufacturer: Dorman
• Manufacturer Part Number: 603-102
• Type: OEM
• Material: Plastic
• With Reservoir Cap: Yes
• With Mounting Hardware: No

Compatibility / Fit

• 2002-2006 Cadillac Escalade
• 2003-2006 Cadillac Escalade ESV
• 2002-2006 Cadillac Escalade EXT
• 2002-2006 Chevrolet Avalanche 1500
• 2002-2006 Chevrolet Avalanche 2500
• 1999-2006 Chevrolet Silverado 1500
• 2007-2007 Chevrolet Silverado 1500 Classic
• 2001-2003 Chevrolet Silverado 1500 HD
• 2005-2006 Chevrolet Silverado 1500 HD
• 2007-2007 Chevrolet Silverado 1500 HD Classic
• 1999-2004 Chevrolet Silverado 2500
• 2001-2006 Chevrolet Silverado 2500 HD
• 2007-2007 Chevrolet Silverado 2500 HD Classic
• 2001-2006 Chevrolet Silverado 3500
• 2007-2007 Chevrolet Silverado 3500 Classic
• 2000-2006 Chevrolet Suburban 1500
• 2000-2006 Chevrolet Suburban 2500
• 2000-2006 Chevrolet Tahoe
• 1999-2006 GMC Sierra 1500
• 2007-2007 GMC Sierra 1500 Classic
• 2001-2003 GMC Sierra 1500 HD
• 2005-2006 GMC Sierra 1500 HD
• 2007-2007 GMC Sierra 1500 HD Classic
• 1999-2004 GMC Sierra 2500
• 2001-2006 GMC Sierra 2500 HD
• 2007-2007 GMC Sierra 2500 HD Classic
• 2001-2006 GMC Sierra 3500
• 2007-2007 GMC Sierra 3500 Classic
• 2000-2006 GMC Yukon
• 2000-2006 GMC Yukon XL 1500
• 2000-2006 GMC Yukon XL 2500
• 2003-2009 Hummer H2

Technical Documents

• dorman-warranty-by-products.pdf
• fluid-reservoirs_sell-sheet.pdf
• fluid-reservoirs_sell-sheet.pdf
• fluid-reservoirs_sell-sheet.pdf

Product Videos