How to Service and Repair a Radiator Cap on 2001 Dodge Neon?

To service the radiator cap, clean it with mild soap and inspect it. The vent valve should open; if the rubber gasket is swollen, replace the cap. Ensure any replacement cap is designed for coolant reserve systems and avoid caps with a spring to hold the vent shut.

OEM 2001 Dodge Neon Radiator Cap

Cooling Radiator Cap

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2 Radiator Caps found

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2001 Dodge Neon 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 2001 Dodge Neon Submodels:
- ACR, Base, ES, High Line, R/T, SE, SRT-4, SXT, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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2001 Dodge Neon 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 2001 Dodge Neon Submodels:
- ACR, Base, ES, High Line, R/T, SE, SRT-4, SXT | 1.6L L4, 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS

2001 Dodge Neon Radiator Cap Parts and Q&A

Q: How to Service and Repair a Radiator Cap on 2001 Dodge Neon?
A: To service the radiator cap, clean it with mild soap and inspect it. The vent valve should open; if the rubber gasket is swollen, replace the cap. Ensure any replacement cap is designed for coolant reserve systems and avoid caps with a spring to hold the vent shut.