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603-973 Engine Coolant Reservoir Tank with Cap
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 21, 2026 1:21 AM · 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.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
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
FEISOO
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Vehicle Fitment: Coolant overflow tank compatible with 2014-2019 Silverado 1500 4.3L 5.3L 6.2L, 2015-2020 Suburban 5.3L 6.2L, 2016-2019 Suburban 3500 HD 6.0L, 2015-2020 Tahoe 5.3L 6.2L; 2014-2019 Sierra 1500 4.3L 5.3L 6.2L, 2015-2020 Yukon 6.2L, 2015-2019 Yukon XL 5.3L 6.2L; 2015-2020 Escalade/Escalade ESV 6.2L. More information can be found in the pictures or on the details page
✓Reference OE Number: 603-973, 22856231, 671-00359, 603973, 3014134, 67100359, 84368362,13502354
✓Functional Features: This coolant recycling tank is made of premium PP plastic material, which is designed to withstand high temperatures; It is used to store excess coolant that expands due to engine heat, and its translucent design allows you to easily check the coolant level at a glance
✓Working Principle: The coolant expansion tank (commonly known as the antifreeze reservoir) functions similarly to a regulator. It helps manage excess coolant generated by engine heat, serving as a safe storage space for excess coolant and ensuring a stable supply of coolant to the vehicle
✓NOTE: Please refer to the main picture to confirm if the coolant reservoir, engine liters, and model year are compatible with your car, in order to avoid inconvenience caused by product incompatibility
✓After Sales Service: When you have any other questions about our products, or if the product you purchased does not meet your expectations, we are always ready to solve your doubts. We wish you a pleasant shopping experience
⚙️ Specifications
FEISOO
AFEISOL
Coolant Reservoir Tank
3.16 pounds
15 x 13.19 x 7.36 inches
603-973
Polished
603 973
Manufacturer
FEISOO
Brand
AFEISOL
Model
Coolant Reservoir Tank
Item Weight
3.16 pounds
Package Dimensions
15 x 13.19 x 7.36 inches
Item model number
603-973
Exterior
Polished
