Mahle B45838 Spark Plug Tube Seal

Mahle Spark Plug Tube Seal for OE-Style Sealing

The Mahle B45838 spark plug tube seal is a molded rubber secondary ignition seal built to OE standard specifications. It helps maintain a tight seal around the spark plug tube in Chrysler, Dodge, and Plymouth applications where reliable sealing is critical to ignition system performance.

Key Features

• Molded rubber construction for consistent sealing performance
• OE Standard item grade for factory-style fit and function
• Designed for secondary ignition service applications
• Direct replacement style for select Chrysler, Dodge, and Plymouth engines
• Mahle sealing product backed by OEM and technician trust

Product Details

Mahle B45838 is a spark plug tube seal made from molded rubber and engineered to meet OE standard expectations for sealing integrity. It is used in secondary ignition service where the seal around the spark plug tube must stay secure to help keep contaminants out of the plug well and maintain proper engine operation. This part cross-references FEL-PRO ES 72947 for the same application. Common fitment includes 2003-2009 Chrysler PT Cruiser, 1996-2007 Dodge Caravan, and 2003-2005 Dodge Neon. The B45838 part number is also associated with Chrysler 4621 851 and 4621-851AB references.

What It Helps Address

• Oil or moisture entering the spark plug tube area
• Loss of sealing at the plug well
• Secondary ignition service on aging engine components
• Misfire conditions related to contaminated plug wells
• Maintenance on Chrysler, Dodge, and Plymouth ignition systems

Installation Notes and Tips

Confirm the engine application and compare the original seal profile before installation. Clean the spark plug tube area thoroughly so the molded rubber seal seats correctly. Inspect adjacent ignition components for wear, contamination, or heat damage while the area is open. Fits 2003-2009 Chrysler PT Cruiser, N/A; Fits 1996-2007 Dodge Caravan, N/A; Fits 2003-2005 Dodge Neon, N/A; Fits 2001-2004 Chrysler Sebring, N/A; Fits 1996-1998 Chrysler Sebring, N/A; Fits 1995-2004 Dodge Stratus, N/A; Fits 2000-2003 Chrysler Voyager, N/A; Fits 2000 Chrysler Cirrus, N/A; Fits 1995-1997 Chrysler Cirrus, N/A; Fits 1996-2000 Plymouth Breeze, N/A; Fits 1996-2000 Plymouth Voyager, N/A; Fits 1996-1997 Dodge Grand Caravan, N/A; Fits 1996-1997 Plymouth Grand Voyager, N/A.

Quality Assurance

Mahle sealing products are supplied to OEM-level standards and are used by technicians who need dependable sealing performance in service repairs. This part is built as an OE-style replacement for the listed Chrysler, Dodge, and Plymouth applications.