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Engine coolant expansion reservoir for Chevy, GMC, Cadillac, Hummer

BDFHYK ★ 3.7/5 · ItemOracle Score Mid-Range

$54 USD
Price subject to change
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BDFHYK Engine Coolant Expansion Reservoir Overflow Tank Compatible with Chevrolet Avalanche Tahoe Silverado Cadillac Escalade ESV Hummer H2 GMC Yukon XL Sierra 1500 2500 3500 Classic Replace 603-102

Expansion reservoir for automotive coolant system with OE number 603-102. Provides coolant recovery and compatibility with multiple GM vehicles. Customer note: excellent fit and easy install, though durability and seam leakage concerns exist

Highlights

  • OE-standard compatibility
  • easy installation
  • functional coolant recovery

Pros

  • accurate fit for multiple GM models
  • easy to install
  • quality appearance
  • value for money

Cons

  • durability concerns
  • leakage at seam reported

Best For

  • replacement part for coolant system
  • maintenance of GM trucks and SUVs
  • coolant expansion reservoir replacement
  • vehicle restoration projects
  • OEM-style part replacement

Features

  • Compatible with multiple GM models including 2002–2006 Avalanche Tahoe Silverado Suburban 1500 2500 3500 HD Classic and 2003–2009 Hummer H2
  • OE standard part number 603-102 with associated references 15075118, 15203949, 15778386, 15778387, 15808715
  • 100% brand-new coolant expansion reservoir built to OE-grade durability
  • Engine coolant recovery kit component designed as an expansion reservoir replacement

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