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BDFHYK Coolant Reservoir Expansion Tank with Cap for Ford Mustang 2011-2014 3.7L V6 5.0L V8, Pressurized Radiator Overflow Tank, Replaces 603-298 BR3Z8A080A BR3Z8A080E CR3Z8A080A
✅ In stock
D
Grade
Analysis Confidence
63%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 3, 2026 5:41 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰At 10% off its standard going rate, this offer delivers clear value for the money.
- 🏷️The listed retail price is trimmed by 10% at checkout.
- 📉Better-priced windows have occurred before, though not frequently — today's price is reasonably competitive.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
10.64/28
Recent Value
8.05/22
Market Standing
15.79/20
Deal Strength
1.5/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Amazon.com
Product Details
✓FITMENT FOR FORD MUSTANG:For Ford Mustang 2011-2014 with the 3.7L 3726cc V6 Naturally Aspirated Gas engine or the 5.0L 4951cc V8 Naturally Aspirated Gas engine. Both engines share the same listed model-year range. Verify the exact year, engine and original reservoir before ordering.
✓PRESSURIZED 1.9 L CONFIGURATION:The included cap has a listed maximum pressure rating of 110 ±15 kPa. The 1.9 L capacity is measured at the MAX fill level rather than the brim, leaving the intended space for coolant expansion. Correct pressure retention also depends on the cap neck, hose connections, clamps and other cooling-system components.
✓VISIBLE LOWER RESERVOIR:The black upper section and translucent lower section combine defined connection areas with easier coolant-level inspection. The translucent section also helps identify discoloration or dried residue without opening a hot cooling system. PP construction is rated from -30°C to 120°C. This configuration does not provide a coolant-level sensor function.
✓REPLACEMENT REFERENCES:Cross-references 603-298, 9C3Z8101B, BR3Z8A080A, BR3Z8A080E and CR3Z8A080A. Compare the replacement number, reservoir shape, mounting points, cap neck and hose connections before ordering. Similar-looking Ford Mustang tanks may use different configurations across other model years or engines.
✓BUILT AROUND REAL REPLACEMENT NEEDS:Cracks, seam or hose-neck seepage, dried coolant residue, repeated coolant top-offs or a falling coolant level may indicate deterioration of the original reservoir or its connections. BDFHYK treats the tank as part of a pressurized cooling system: cap rating, sealing surfaces, hoses, clamps, correct filling and bleeding all affect operation. Continued coolant loss or elevated engine temperature requires complete cooling-system diagnosis.
⚙️ Specifications
Ford
603-298
OE
603-046
PP Plastics
OE originals
Manufacturer
BDFHYK
Brand
BDFHYK
Model
Engine Coolant Expansion Reservoir Overflow Tank
Item Weight
2.4 pounds
Package Dimensions
10 x 9.75 x 8.25 inches
Item model number
603-298
Exterior
Smooth
