DORMAN part description

Technical Specifications

Part Number 603-102
weight 4 lb
Application Summary Cadillac 2006-02, Chevrolet 2007-99, GMC 2007-99, Hummer 2009-03
California Proposition 65
Cap Included Yes
Cap Maximum Pressure Rating 15 PSI
Cap Type Spring Loaded Twist
Color Clear
Height 186 mm
Key Search Words Reservoir, Coolant, Recovery, Tank, Degas, Bottle, Anti-Freeze, Antifreeze
Length 235 mm
Material Plastic
Mount Hole Quantity 1
Mounting Brackets Included Yes
Mounting Hardware Included No
Package Contents 1 Coolant Reservoir, 1 Cap
Pressurized Yes
Product Description - Long Pressurized Coolant Reservoir
Product Description - Short Fluid Reservoir
Slang Description Coolant Reservoir
Fluid Reservoir
Coolant Bottle
Degas Bottle

Product Description

Pressurized Coolant Reservoir

Application Summary

Cadillac 2006-02, Chevrolet 2007-99, GMC 2007-99, Hummer 2009-03

Features & Benefits

  • Direct replacement - this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution - engineered for a seamless installation
  • Durable construction - manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design - backed by 100 years of automotive aftermarket experience

Reservoir, Coolant, Recovery, Tank, Degas, Bottle, Anti-Freeze, Antifreeze

Product Attributes

Material Plastic
Length 235 MM
Color Clear
Mounting Hardware Included No
Height 186 MM
Mounting Hole Quantity 1
Mounting Brackets Included Yes
Cap Type Spring Loaded Twist
Pressurized Yes
Cap Maximum Pressure Rating 15 PS
Cap Included Yes
Package Contents 1 Coolant Reservoir; 1 Cap

Additional Information

Country of Origin (Primary) TW
Harmonized Tariff Code (Schedule B) 8708998175
UPC 00019495095279
VMRS Code 042008004
UNSPSC 24111801

Part Interchanges

Fits Vehicles

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

Dorman® is a trusted supplier of premium-quality replacement parts, hardware, and fasteners to the automotive aftermarket. Since 1918, it has introduced thousands of these replacement parts that customers could once only get from original equipment manufacturers. Dorman believes that customers should always come first. So its dedicated team of engineers and designers creates each Dorman product with only one goal in mind—to make repair tasks easier and faster for mechanics and to save vehicle owners money from expensive repairs. Dorman continually expands its product line-up to offer a broader range of hard-to-find parts and accessories that could replace rare or expensive OEM parts.

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