How to Inspect and Maintain the Radiator Cap's Pressure Valve Gasket on Jeep Grand Cherokee?

Take a look at the pressure valve gasket on the radiator cap; replace the cap if it is torn, swollen or looks worn. Look for white buildup around the radiator filler neck which might show that the cap is leaking.

How to Service and Repair a Radiator Cap on Jeep Grand Cherokee?

When servicing or repairing the radiator cap, wash it gently with a soap and water combination. Inspect the gasket on the cap by sight and, if it seems swollen, torn or torn, change the cap. Also, check the region around the radiator filler neck for white spots, since these often mean the cap is leaking.

OEM Jeep Grand Cherokee Radiator Cap

Cooling Radiator Cap

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9 Radiator Caps found

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Jeep Grand Cherokee Radiator Cap Part Number: 52028974AA
$27.13 MSRP: $35.00
You Save: $7.87 (23%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Cap; Cap Radiator
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2012-2021, 1999-2003 Jeep Grand Cherokee | High Altitude, Laredo, Limited, Limited X, Overland, Overland Summit, SRT, SRT8, Sport, Summit, Trailhawk | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.4 L GAS
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Jeep Grand Cherokee Radiator Cap Part Number: 52079880AA
$15.68 MSRP: $22.95
You Save: $7.27 (32%)
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Product Specifications
- Other Name: Cap - Radiator; Cap; Cap Radiator
- Replaces: 4677493AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1993-1996 Jeep Grand Cherokee | Base, Laredo, Limited, Orvis, SE | 6 Cyl 4.0 L GAS, 8 Cyl 5.2 L GAS
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Jeep Grand Cherokee Radiator Cap Part Number: 5278767AB
$18.07 MSRP: $26.45
You Save: $8.38 (32%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Filler Cap; Cap; Cap Radiator
- Replaces: 5278767AA, 5183710AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2013-2015 Jeep Grand Cherokee | Limited, Overland, Summit | 3.0L V6, 6 Cyl 3.0 L DIESEL
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Jeep Grand Cherokee Expansion Tank, Front Part Number: 68442532AA
$22.40 MSRP: $32.75
You Save: $10.35 (32%)
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Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Engine Coolant Reservoir Cap, Front; Engine Coolant Reservoir Cap; Radiator Cap; Reservoir Cap; Cap; Cap Coolant Recovery Bottle
- Position: Front
- Replaces: 68096261AA, 68249136AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2022-2025, 2016-2019 Jeep Grand Cherokee | 30th Anniversary 4xe, 4xe, Altitude, Altitude X, Anniversary Edition 4xe, High Altitude, Laredo, Laredo X, Limited, Overland, Summit, Summit Reserve, Trackhawk, Trailhawk | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L GAS
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Jeep Grand Cherokee Radiator Cap Part Number: 55116901AA
$18.13 MSRP: $23.35
You Save: $5.22 (23%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Cap; Cap Radiator
- Replaces: 52079799AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 1993-2004 Jeep Grand Cherokee | 5.9 Limited, Base, Laredo, Limited, Orvis, SE, Special Edition, Sport, TSi | 4.0L V6, 6 Cyl 4.0 L GAS, 8 Cyl 5.2 L GAS, 8 Cyl 5.9 L GAS
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Jeep Grand Cherokee Radiator Cap Part Number: 4596198
$26.33 MSRP: $37.85
You Save: $11.52 (31%)
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Product Specifications
- Other Name: Cap - Radiator; Engine Coolant Reservoir Cap; Reservoir Cap; Recovery Tank Cap; Cap for Coolant Recovery Bottle; Radiator Cap 04596198
- Replaces: 5086226AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2004-2011 Jeep Grand Cherokee | 65th Anniversary Edition, Laredo, Limited, Overland, Special Edition | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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Jeep Grand Cherokee Radiator Cap Part Number: 68365281AA
$38.02 MSRP: $55.65
You Save: $17.63 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cap - Radiator; Cap Radiator
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2018-2021 Jeep Grand Cherokee | Trackhawk | 8 Cyl 6.2 L GAS
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Jeep Grand Cherokee Serpentine Belt Part Number: 55111074AC
$32.96 MSRP: $48.85
You Save: $15.89 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Engine, Washer, Radiator Caps; Serpentine & V-Belts; Reservoir Cap; Filler Cap; Reservoir Tank Cap; Recovery Tank Cap; Cap
- Replaces: 55111074AA, 4682828, 5017468AA, 55111074AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2008-2010 Jeep Grand Cherokee | Laredo, Limited, Overland, SRT8 | 3.7L V6, 4.7L V8, 5.7L V8, 6 Cyl 3.7 L GAS, 6.1L V8, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
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Jeep Grand Cherokee Expansion Tank Part Number: 68290247AA
$26.45 MSRP: $38.00
You Save: $11.55 (31%)
Product Specifications
- Other Name: Cap - Low Temperature Coolant Bot; Drive Motor Inverter Reservoir Cap; Engine Coolant Cap; Radiator Cap; Reservoir Cap; Cap; Cap Coolant Recovery Bottle
- Replaces: 68272801AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2022-2025 Jeep Grand Cherokee | 30th Anniversary 4xe, 4xe, Anniversary Edition 4xe | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)

Jeep Grand Cherokee Radiator Cap

Choose OEM Radiator Cap that meet Jeep factory standards. Jeep designs and tests every component for precision and durability. Each Radiator Cap follows strict manufacturing steps to lock in quality and fit. If your Jeep Grand Cherokee matters to you, OEM parts make the smart choice. You'll get the exact look, feel, and performance you expect. Shop genuine Grand Cherokee parts at the highly competitive prices online. Enjoy a manufacturer's warranty, a hassle-free return policy, and rapid delivery. No more guesswork with off brands. Get genuine parts with exact fit and true factory performance. Shop with confidence today at JeepPartsDeal.com.

The Jeep Grand Cherokee Radiator Cap is one of the significant parts of the vehicle which specifically defines the firmness, stability and efficiency of the Jeep Grand Cherokee series. Used to cap the radiator to ensure pressure is maintained within the radiator usually at about 16 pounds per square inch, this Radiator Cap is critical in the functioning of the cooling system. Thus, the Jeep Grand Cherokee Radiator Cap serves to reduce loss of coolant while at the same time enabling the controlled release of pressure; this directly translates to improved efficiency and safety of the vehicle. This means people who take the road with the Grand Cherokee-specific component can be assured it meets the demands of different generations of Jeeps, which indicates the brand's advancements in engineering. Every Radiator Cap is manufactured with a certain performance characteristic in mind, including the pressure range and the kinds of release mechanisms that have to be installed in models of each particular year. Therefore, this attention to detail helps to enhance the dependability of the Jeep Grand Cherokee while adding to the model's status as a luxury SUV perfect for performance and comfort. In the car market, the Jeep Grand Cherokee Radiator Cap has specific features when it comes to sealing and construction in essence; the car part is highly and uniquely designed to endure the pressure and shock of everyday use and efficiently help to manage the heat produced by a car engine. Lastly, the Jeep Grand Cherokee Radiator Cap reveals a company's focus on quality as well as making the driving experience that much better for any Grand Cherokee owner.

Jeep Grand Cherokee Radiator Cap Parts and Q&A

Radiator Cap
4596198
Q: How to Inspect and Maintain the Radiator Cap's Pressure Valve Gasket on Jeep Grand Cherokee?
A:
Take a look at the pressure valve gasket on the radiator cap; replace the cap if it is torn, swollen or looks worn. Look for white buildup around the radiator filler neck which might show that the cap is leaking.
Radiator Cap
55116901AA
Q: How to Service and Repair a Radiator Cap on Jeep Grand Cherokee?
A:
When servicing or repairing the radiator cap, wash it gently with a soap and water combination. Inspect the gasket on the cap by sight and, if it seems swollen, torn or torn, change the cap. Also, check the region around the radiator filler neck for white spots, since these often mean the cap is leaking.