15203949 603-102 Engine Coolant Reservoir Tank Replacement w/Cap & Sensor, Compatible with 1999-2009 Cadillac Escalade | Chevrolet Avalanche Silverado Suburban Tahoe | GMC Sierra Yukon XL | Hummer H2

Name: 15203949 603-102 Engine Coolant Reservoir Tank Replacement w/Cap & Sensor, Compatible with 1999-2009 Cadillac Escalade | Chevrolet Avalanche Silverado Suburban Tahoe | GMC Sierra Yukon XL | Hummer H2
Brand: ZZCSZ
SKU: awhd-us-b0dkjz61p2
Price: 44.34 USD
Availability: InStock

Brand: ZZCSZ

Condition: Used

$44³⁴

$53³¹

-17% Save $8⁹⁷

Updated: 3 days ago

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Description

How A Coolant Reservoir Works - The coolant reservoir is a vital component of the cooling system. Its function is to store excess coolant fluid until required. Heat and engine vibration can damage plastic overtime causing cracks and leaks. This coolant expansion tank gives additional coolant a place to go after expansion and contraction due to temperature change.

Compatible with Cadillac, GMC & Hummer Vehicles - Caddilac -- 2002-2006 Escalade, 2003-2006 Escalade ESV, 2002-2006 Escalade EXT | GMC -- 1999-2006 Sierra 1500, 2007 Sierra 1500 Classic, 2001-2006 Sierra 1500 HD, 2007 Sierra 1500 HD Classic, 1999-2004 Sierra 2500, 2001-2006 Sierra 2500 HD, 2007 Sierra 2500 HD Classic, 2001-2006 Sierra 3500, 2007 Sierra 3500 Classic, 2000-2006 Yukon, 2000-2006 Yukon XL 1500, 2000-2006 Yukon XL 2500 | 2003-2009 Hummer H2.

Compatible with Chevrolet Vehicles - 2002 - 2006 Avalanche 1500, 2002 - 2006 Avalanche 2500, 1999 - 2006 Silverado 1500, 2007 Silverado 1500 Classic, 2001 - 2006 Silverado 1500 HD, 2007 Silverado 1500 HD Classic, 1999 - 2004 Silverado 2500, 2001 - 2006 Silverado 2500 HD, 2007 Silverado 2500 HD Classic, 2001 - 2006 Silverado 3500, 2007 Silverado 3500 Classic, 2003 - 2006 Sonora, 2000 - 2006 Suburban 1500, 2000 - 2006 Suburban 2500, 2000 - 2006 Tahoe.

Reference Part # - 603-102, 603102, 15203949, 15778386, 15778387, 15808715, 15808716, 19353731. Please see more fitment on the product description or check Amazon Garage on the top left corner. This is NOT a genuine part, it's a aftermarket replacement part.

Direct Replacement - The coolant reservoir tank replacement is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is thoroughly tested to ensure performance and long lasting quality over time. Direct replacement for a proper fit every time. Professional installation is highly recommended.

Specification

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Product Details

SKU:: awhd-us-b0dkjz61p2
Model:: 603-102
Country:: US
ASIN:: B0DKJZ61P2

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $9 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

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$10²⁶