RICHWEI Engine Thermostat 203℉ — Direct-Fit OEM Equivalent for Ram/Dodge/Jeep V8 (52028898AE)

The RICHWEI 203℉ engine thermostat is a direct-fit replacement (52028898AE) designed to restore correct operating temperature control for compatible Ram, Dodge, Jeep and Chrysler V8 engines.

This precision thermostat is crafted from high-grade materials and factory-tested to meet OEM-style fit and function. It opens at approximately 203℉ to help the cooling system regulate engine temperature reliably, and it’s offered as a straightforward one-piece replacement with a 30-day satisfaction return policy. Before ordering, confirm year, make, model and engine size to ensure compatibility.

Which vehicles is this thermostat compatible with?

This thermostat fits a range of Chrysler-family vehicles equipped with particular V8 engines produced between 2003 and 2018. Compatibility varies by year and engine displacement—confirm with your vehicle’s trim or VIN for accuracy.

• Ram: 1500 (2003–2018) and 2500/3500 models with 5.7L V8 where listed (2011–2018 for 2500/3500 specific years).
• Dodge: Charger, Challenger, Durango, Magnum models with 5.7L, 6.1L, or 6.4L V8s in the listed model years.
• Jeep: Commander and Grand Cherokee V8 models across the specified years and displacements.
• Chrysler: 300 and Aspen V8 model years and engine options included in the compatibility list.

How does installing this thermostat affect engine performance?

A properly functioning thermostat helps the engine reach and maintain its designed operating temperature more quickly and consistently. This supports efficient combustion and predictable cooling-system behavior without changing performance tuning.

• Opens around 203℉ to control coolant flow through the radiator.
• Reduces extended warm-up times compared with stuck-open thermostats.
• Helps stabilize operating temperature under normal driving loads.

What are the build quality and replacement details?

RICHWEI thermostats are manufactured from corrosion-resistant metals and undergo repeated inspection during production. The unit is supplied as a complete thermostat assembly for direct swap with the OEM 52028898AE equivalent.

• High-grade materials and production testing for consistent operation.
• Replacement part number: 52028898AE (203℉ rating).
• Sold as one thermostat per package; install with a clean housing and new gasket if needed.

How do I confirm fitment before purchase?

Compatibility can vary by year, trim and engine option, so verifying your vehicle data prevents returns. Use your vehicle’s year, make, model and engine size or cross-check the OEM part number to confirm fit.

• Enter make/model/trim into an online garage tool or parts lookup.
• Compare to OEM part number 52028898AE when possible.
• Contact customer support with VIN if you’re unsure about correct fitment.

This RICHWEI thermostat is ideal for technicians, DIY mechanics and fleet managers who need a dependable, budget-friendly replacement for Chrysler-family V8 engines. It’s suited for vehicles currently showing cooling system symptoms like slow warm-up, inconsistent temperature gauge readings, or when replacing the thermostat as part of routine maintenance. Remember to verify compatibility for your exact model and engine before ordering to ensure a proper fit and trouble-free installation.