How to Inspect and Maintain the Radiator Cap's Pressure Valve Gasket on 2008 Jeep Commander?

Check the pressure valve gasket on the radiator cap and change the radiator cap in case of a damaged, swollen or worn out gasket. In addition, check around the radiator filler neck in case of white deposits, which is an indication of a leaking cap.

OEM 2008 Jeep Commander Radiator Cap

Cooling Radiator Cap

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2 Radiator Caps found

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2008 Jeep Commander 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
- Item Weight: 0.60 Pounds
- Item Dimensions: 9.5 x 6.1 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4596198
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Jeep Commander Submodels:
- 65th Anniversary Edition, Base, Limited, Overland, Sport | 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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2008 Jeep Commander Serpentine Belt Part Number: 55111074AC
$32.96 MSRP: $48.85
You Save: $15.89 (33%)
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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
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55111074AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following 2008 Jeep Commander Submodels:
- Limited, Overland, Sport | 3.7L V6, 4.7L V8, 5.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS

2008 Jeep Commander Radiator Cap Parts and Q&A

Q: How to Inspect and Maintain the Radiator Cap's Pressure Valve Gasket on 2008 Jeep Commander?
A: Check the pressure valve gasket on the radiator cap and change the radiator cap in case of a damaged, swollen or worn out gasket. In addition, check around the radiator filler neck in case of white deposits, which is an indication of a leaking cap.