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BDFHYK Coolant Reservoir Expansion Tank with Cap for Chevy Silverado 1500 1999-2006 Tahoe Suburban 2000-2006, for GMC Sierra Yukon, for Cadillac Escalade, for Hummer H2, Replaces 603-102 15075118
✅ In stock
F
Grade
Analysis Confidence
63%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Nov 3, 2026 5:41 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰At 70% above its usual rate, this is currently priced higher than what most shoppers have paid.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Amazon.com
Product Details
✓FITMENT FOR CADILLAC, CHEVROLET:For Cadillac Escalade 2002-2006; Escalade ESV 2003-2006; Escalade EXT 2002-2006. For Chevrolet Avalanche 1500 and 2500 2002-2006; Silverado 1500 1999-2006; Silverado 1500 Classic 2007; Silverado 1500 HD 2001-2003, 2005-2006; Silverado 1500 HD Classic 2007; Silverado 2500 1999-2004; Silverado 2500 HD 2001-2006; Silverado 2500 HD Classic 2007; Silverado 3500 2001-2006; Silverado 3500 Classic 2007; Suburban 1500 and 2500 2000-2006; Tahoe 2000-2006.
✓FITMENT FOR GMC, HUMMER:For GMC Sierra 1500 1999-2006; Sierra 1500 Classic 2007; Sierra 1500 HD 2001-2003, 2005-2006; Sierra 1500 HD Classic 2007; Sierra 2500 1999-2004; Sierra 2500 HD 2001-2006; Sierra 2500 HD Classic 2007; Sierra 3500 2001-2006; Sierra 3500 Classic 2007; Yukon 2000-2006; Yukon XL 1500 and 2500 2000-2006. For Hummer H2 2003-2009. The supplied data limits 2007 truck fitment to the listed Classic models. Verify the complete model designation, year and original reservoir before ordering.
✓PRESSURIZED 2.05 L CONFIGURATION:The included cap has a listed maximum pressure rating of 105 ±15 kPa. The 2.05 L capacity is measured at the MAX fill level rather than the brim, preserving the intended space for coolant expansion. The translucent PP body allows the coolant level to be inspected without opening the cap and is specified for temperatures from -30°C to 120°C. Configured for applications using an external coolant-level sensor; a separate sensor is not listed as included.
✓REPLACEMENT REFERENCES:Cross-references 603-102, 15075118, 15203949, 15778386, 15778387, 15808715, 15808716 and 19353731. Match the replacement number together with the reservoir shape, cap neck, mounting point, hose connections and external sensor arrangement. Similar Chevrolet and GMC trucks may use different reservoirs based on model designation and production configuration.
✓BUILT AROUND REAL REPLACEMENT NEEDS:Cracks, seam or hose-neck seepage, dried coolant residue, repeated coolant top-offs or a low-coolant warning may indicate deterioration of the original reservoir, cap or connections. BDFHYK treats the reservoir as part of a pressurized cooling system: cap-neck sealing, hoses, clamps, sensor seating, correct coolant filling and proper bleeding all affect pressure retention and operation. Continued coolant loss or elevated engine temperature requires a complete cooling-system diagnosis.
⚙️ Specifications
For Hummer
2003-2007 Hummer H2 6.0L V8 || 2008-2009 Hummer H2 6.2L V8
For Cadillac
2002-2006 Cadillac Escalade 6.0L V8 || 2002-2005 Cadillac Escalade 5.3L V8 || 2003-2006 Cadillac Escalade ESV 6.0L V8 || 2002-2006 Cadillac Escalade EXT 6.0L V8
For Chevrolet
2000-2006 Chevrolet Suburban 1500 5.3L V8 || 2000-2004 Chevrolet Suburban 2500 6.0L V8 || 2001-2006 Chevrolet Suburban 2500 8.1L V8 || 2000-2006 Chevrolet Tahoe 4.8L V8 || 2000-2006 Chevrolet Tahoe 5.3L V8
Manufacturer
BDFHYK
Brand
BDFHYK
Model
Coolant Reservoir Tank
Item Weight
3.94 pounds
Package Dimensions
13 x 12.5 x 9.7 inches
Item model number
603-102
Exterior
PP
Manufacturer Part Number
BD-05-07264
