Genuine Ford Explorer Coolant Reservoir Cap

Coolant Overflow Reservoir Cap

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4 Coolant Reservoir Caps found

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Ford Explorer Cap - Fuel Pressure Regulator
Part Number: DG9Z-8100-A
$18.42 MSRP: $27.45
You Save: $9.03 (33%)
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Product Specifications
- Other Name: Cap, Radiator Cap, Reservoir Cap
- Manufacturer Note: Clamps Not Included. Use Standard Worm Clamps For Service
- Replaces: BE8Z-8100-A, RS-530
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2020-2025 Ford Explorer | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L FLEX, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)
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Ford Explorer Cap - Rad - With Press Relief
Part Number: 9C3Z-8101-B
$6.45 MSRP: $10.45
You Save: $4.00 (39%)
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Product Specifications
- Other Name: Cap - Rad - With Press Relief Valve; Cap, Radiator Cap, Reservoir Cap
- Replaces: 8C3Z-8101-A, F3LY-8100-A, 9C3Z-8101-A, F6ZZ-8100-A, XL3Z-8100-AA, RS-517, RS-103
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2019 Ford Explorer | 4 Cyl 2.0L EcoBoost (240PS) , 4 Cyl 2.3L TIVCT DI TC, 6 Cyl 3.5L Cyclone Petrol TIVCT, 6 Cyl 3.5L DOHC T/C, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Explorer Cap
Part Number: 6L2Z-8K103-AA
$24.03 MSRP: $35.13
You Save: $11.10 (32%)
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Product Specifications
- Replaced by: 9L3Z-8K103-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Ford Explorer | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Explorer Cover - Water Reservoir
Part Number: F5TZ-17632-BA
$7.34 MSRP: $11.40
You Save: $4.06 (36%)
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Product Specifications
- Other Name: Cap, Reservoir Cap
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995-2001 Ford Explorer | 6 Cyl 4.0L, 8 Cyl 5.0L | 4AT 4R44E, 4AT 4R55E, 4AT 4R70W, 4AT A4LD, 4AT AODE-E, 4AT AODE-W, 5AT 5R55E, 5MT

Ford Explorer Coolant Reservoir Cap

When a Ford Explorer is running, the Coolant Reservoir Cap closes off the recovery tank (aka overflow tank) at the top of the vehicle's cooling circuit, sealing it off. It helps maintain the correct pressure in the tank, ensuring antifreeze can flow throughout the engine and back to the tank without drawing air in. This tiny yet strong Coolant Reservoir Cap can prevent overheating, so whether stuck in city traffic or on a long mountain climb, you can be assured that your engine will keep running smoothly. Compatibility spans multiple generations of Explorer. The component is threaded directly into the translucent reservoir for leak-free response and steady volumes of coolant. The caps of earlier models of Ford that are made using metal are corrosion-resistant. Later models use a composite lid that is lighter and as strong as well. Regardless of the style, both utilize the same calibrated spring pressure, which dissipates excess heat back into the tank rather than onto paving. By maintaining constant pressure, the Coolant Reservoir Cap inhibits the creation of air pockets that could create rust or harmful leaks. When temperatures drop, the Coolant Reservoir Cap draws back fluid to prevent circuit failure and protects the gaskets and hoses. Drivers observe that their Explorer warms evenly without abrupt temperature increases that trigger dash warnings. The consistency results in longer engine life, better fuel economy, and confidence in every Ford, regardless of whether it's a trip to work or a cross-country trip. The Coolant Reservoir Cap also helps environmental sustainability for every Ford Explorer by preventing coolant from leaking on roads and into waterways. A routine visual check of the Coolant Reservoir Cap takes few minutes, but it can make your Explorer a safer and more reliable vehicle. Look for cracked, torn seals, or worn threads. For years, the Ford SUV could be a 3.5L V6 or a newer hybrid. In either case, the same exact Coolant Reservoir Cap works perfectly. As per the Ford test, the cap survives repeated heat cycles and also meets factory specifications for every Explorer it tops.

We provide a wide range of Ford Explorer Coolant Reservoir Cap at the optimal prices. If you need Ford Explorer Coolant Reservoir Cap, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your doorstep with a fast delivery service.