Motorad T73 Engine Coolant Reservoir Cap

Engine Coolant Reservoir Cap for OE-Style Cooling Service

The Motorad Standard T73 engine coolant reservoir cap is built for vehicles that use an open or closed coolant recovery system and a 21 PSI pressure rating. It is a direct-fit style replacement for a wide range of Chrysler, Dodge, Jeep, Fiat, and Ram applications, including Jeep Grand Cherokee, Ram 1500, and Chrysler Pacifica models.

Key Features

• Pressure rating: 21 PSI, with an SAE range of 20-22 PSI
• Fits open and closed coolant recovery systems
• Matte black plastic finish with plastic and rubber construction
• Cap depth: 1.50 in; width: 2.57 in; valve OD: 1.25 in
• Designed to meet OEM specifications for fit and function
• Easy to install and remove during routine cooling system service
• Motorad T73 replacement cap for OE-style reservoir applications

Product Details

Motorad Standard T73 is an engine coolant reservoir cap engineered for proper pressure control in the cooling system. Its relief and vacuum valves are designed to maintain the correct system pressure and help the reservoir operate as intended under normal thermal cycling. The matte black plastic body and rubber sealing components are selected for everyday service in demanding automotive cooling systems. This part cross-references Mopar 68442532AA and Carlson 7073 for the same application. The T73 is a practical replacement choice for vehicles such as Jeep Wrangler, Dodge Durango, and Ram 2500 when the original reservoir cap needs service.

Common Problems This Part Can Address

• Coolant loss caused by a worn or weak reservoir cap seal
• Pressure retention issues in the coolant recovery system
• Vacuum valve problems that affect coolant return after cooldown
• Cracked, brittle, or heat-aged plastic cap components
• Service concerns on Chrysler Pacifica, Jeep Grand Cherokee, and Ram 1500 cooling systems

Installation Notes and Tips

Verify the reservoir neck style, pressure rating, and system type before installation. The Motorad T73 is designed for straightforward removal and installation, but the sealing surface should be clean and free of debris before the cap is seated. Confirm the application against the vehicle listing, especially on Jeep Grand Cherokee, Jeep Wrangler, and Dodge Durango models where cooling-system configurations can vary by year and engine package.

Quality Assurance

Manufactured to meet OEM specifications and quality tested for use in demanding automotive cooling systems, the Motorad Standard line focuses on dependable fit and pressure control for routine replacement service.

Vehicle Fitment

• Fits 2017-2026 Chrysler Pacifica, N/A
• Fits 2016-2026 Dodge Durango, N/A
• Fits 2026 Jeep Compass, Primary
• Fits 2018-2026 Jeep Wrangler, N/A
• Fits 2020-2025 Chrysler Voyager, N/A
• Fits 2025 Dodge Hornet, Primary
• Fits 2017-2025 Jeep Compass, N/A
• Fits 2016-2025 Jeep Grand Cherokee, N/A
• Fits 2021-2025 Jeep Grand Cherokee L, N/A
• Fits 2024-2025 Jeep Wagoneer L, N/A
• Fits 2013-2025 Ram 2500, N/A
• Fits 2013-2025 Ram 3500, N/A
• Fits 2023-2024 Dodge Hornet, N/A
• Fits 2022-2024 Jeep Grand Wagoneer, N/A
• Fits 2024 Jeep Grand Wagoneer L, N/A
• Fits 2024 Jeep Wagoneer, N/A
• Fits 2020-2024 Ram 1500, N/A
• Fits 2014-2018 Ram 1500, N/A
• Fits 2014-2023 Jeep Cherokee, N/A
• Fits 2015-2023 Jeep Renegade, N/A
• Fits 2022 Jeep Grand Cherokee WK, N/A
• Fits 2017-2021 Chrysler Pacifica, N/A
• Fits 2016-2021 Fiat 500X, N/A
• Fits 2019-2021 Ram 1500, N/A
• Fits 2019 Jeep Grand Cherokee, N/A
• Fits 2019 Ram 1500 Classic, N/A
• Fits 2015-2017 Chrysler 200, N/A
• Fits 2017 Dodge Neon, N/A
• Fits 2013-2016 Dodge Dart, N/A