The Mopar 4596198 radiator cap is a genuine OEM component designed specifically for the Jeep Wrangler JK (2007–2018). Manufactured to factory specifications, it ensures perfect fitment, optimal sealing, and reliable cooling system performance — whether you’re driving daily or pushing your Jeep hard off-road.
Key Features
Genuine Mopar part manufactured to OEM standards.
Designed for Jeep Wrangler JK 2-door and 4-door models from 2007 to 2018.
Simple installation — beginner-friendly, typically under one hour.
Includes one radiator cap.
Standard 12-month manufacturer warranty.
Benefits
Maintains proper pressure in the cooling system to prevent engine overheating.
Ensures consistent sealing even under high thermal load.
Replaces worn or damaged caps, restoring full cooling system efficiency.
100% compatibility — eliminates issues common with low-quality aftermarket parts.
When Should You Replace the Radiator Cap?
If coolant leakage is visible around the cap area.
When the cap no longer holds pressure or the seal is damaged.
As part of preventive maintenance — especially on vehicles used off-road.
After purchasing a used vehicle, when the condition of the cap is unknown.
Installation Overview
Allow the engine to cool completely before removing the cap.
Remove the old cap and clean the sealing area.
Install the new cap and hand-tighten.
Start the engine and check for any leaks.
4596198
Data sheet
MARKA
JEEP
MODEL
Wrangler JK 2 Drzwi 07-18 Wrangler JK 4 Doors 07-18