Mopar 53021873AA Engine Valve Spring - Exhaust

Mopar 53021873AA Exhaust Valve Spring

Mopar 53021873AA is an exhaust valve spring for the right-hand cylinder head on 3.7L V6 applications. It is a direct-fit engine hardware component for maintaining proper valve control in Chrysler, Dodge, Jeep, and Ram vehicles with the listed fitments.

Key Features

• Genuine Mopar engine valve spring
• Exhaust valve spring for the right-hand head
• For 3.7L V6 engine applications
• OE-style replacement for valve train service
• Part number: 53021873AA

Detailed Description

This Mopar exhaust valve spring, part number 53021873AA, is used in the right-hand head on 3.7L V6 engines to help maintain valve motion and seating under normal engine operation. It is listed for 2003-2012 Jeep Liberty, 2011-2012 Ram 1500, 2007-2011 Dodge Nitro, 2011 Ram Dakota, 2004-2010 Dodge Dakota, 2003-2010 Dodge Ram 1500, 2006-2010 Jeep Commander, 2005-2010 Jeep Grand Cherokee, and 2004-2009 Dodge Durango. This part cross-references no additional part numbers in the provided data.

What It Helps Address

• Weak or fatigued exhaust valve spring tension
• Valve train noise related to spring wear
• Loss of proper exhaust valve control
• Service needs during cylinder head repair
• Replacement during 3.7L V6 valve train maintenance

Installation Notes and Tips

Verify engine code, cylinder head side, and exhaust position before ordering. This part is specified for the right-hand head exhaust valve spring application on the 3.7L V6. Professional installation is recommended because valve spring service requires proper engine disassembly and valve train handling.

Quality Assurance

Genuine Mopar replacement part engineered for the listed factory applications. Confirm fitment by year, make, model, engine, and position before installation.