How to Service and Repair a Radiator Cap on 2000 Jeep Wrangler?

To service the radiator cap, clean it with mild soap and water. Inspect it at eye level; if the vent valve doesn't open or light shows between the valve and gasket, replace the cap. Ensure the new cap is designed for a coolant reserve system with a sealed diaphragm spring.

OEM 2000 Jeep Wrangler Radiator Cap

Cooling Radiator Cap

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2000 Jeep Wrangler 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
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.4 x 2.7 x 2.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55116901AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2000 Jeep Wrangler Submodels:
- 65th Anniversary Edition, Rubicon, SE, Sahara, Sport, Unlimited, Unlimited Rubicon, Unlimited Sahara, Unlimited X, X | 2.4L L4, 2.5L L4, 4 Cyl 2.4 L GAS, 4 Cyl 2.5 L GAS, 4.0L L6, 6 Cyl 3.8 L GAS, 6 Cyl 4.0 L GAS

2000 Jeep Wrangler Radiator Cap Parts and Q&A

Q: How to Service and Repair a Radiator Cap on 2000 Jeep Wrangler?
A: To service the radiator cap, clean it with mild soap and water. Inspect it at eye level; if the vent valve doesn't open or light shows between the valve and gasket, replace the cap. Ensure the new cap is designed for a coolant reserve system with a sealed diaphragm spring.