Radiator Cap 52079880AA Fits 66-86 Jeep CJ5 CJ6 CJ7 CJ8 YJ XJ MJ ZJ

Radiator Cap for Jeep CJ, Wrangler YJ, Cherokee XJ, Comanche MJ & Grand Cherokee ZJ

Replacement radiator cap designed to help maintain proper cooling system pressure and support dependable engine temperature control across a wide range of Jeep applications.

• Fits select Jeep CJ5, CJ6, CJ7, CJ8, Wrangler YJ, Cherokee XJ, Comanche MJ, and Grand Cherokee ZJ models
• Helps maintain proper cooling system pressure for reliable engine temperature control
• Direct replacement design for worn, damaged, leaking, or missing radiator caps
• Ideal for cooling system repairs, restoration projects, and routine maintenance
• Direct replacement for OE reference number 52079880AA

A worn radiator cap can cause coolant loss, pressure issues, and overheating that affects overall cooling system performance. This replacement radiator cap is designed to restore a proper seal and maintain system pressure so your Jeep’s cooling system can operate as intended.

Whether you’re maintaining an original CJ, refreshing a YJ or XJ, or handling cooling system repairs in the shop, this replacement cap is built for dependable service and straightforward installation. A simple but critical component that helps protect your engine and cooling system over time.

Fitment:
Jeep CJ5 (1966-1983)
Jeep CJ6 (1966-1975)
Jeep CJ7 (1976-1986)
Jeep CJ8 (1981-1986)
Jeep Wrangler YJ (1994-1995)
Jeep Cherokee XJ (1991-2000) with 2.5L engine
Jeep Cherokee XJ (1994-2001) with 4.0L engine
Jeep Comanche MJ (1991-1992)
Jeep Grand Cherokee ZJ (1993-1996) with 4.0L engine

Reference Part Number: 52079880AA