Rear Main Seal Retainer – Ford (1S7Z-6A321-B) is a Genuine OEM engine sealing and mounting component manufactured by Ford to properly support and position the rear main seal at the back of the engine block. This retainer ensures correct alignment and secure sealing of the rear main seal, helping prevent engine oil leaks at the crankshaft exit point. For professional mechanics and experienced DIY technicians, using an OEM rear main seal retainer is essential for reliable engine sealing and long-term durability.

Manufactured from high-quality, rigid metal alloy, this Ford rear main seal retainer is engineered to maintain precise tolerances under constant heat, vibration, and engine load. The robust construction prevents distortion over time, ensuring the rear main seal remains properly seated and evenly compressed. Aftermarket retainers may suffer from poor machining or material inconsistency, but this OEM component meets Ford’s strict standards for accuracy and durability.

The Ford 1S7Z-6A321-B rear main seal retainer is designed for exact compatibility with specific Ford engine applications. It aligns precisely with factory bolt holes, crankshaft positioning, and sealing surfaces, allowing for a direct-fit installation using original fasteners. This precise fitment reduces installation time and helps prevent common issues such as uneven seal wear or recurring oil leaks.

Key benefits for professional and DIY installers include:

• Ensures correct positioning of the rear main seal

• Rigid OEM construction resists warping and deformation

• Maintains proper crankshaft oil sealing integrity

• Direct-fit design with factory mounting locations

• Helps prevent engine oil leaks and repeat repairs

Choosing a Genuine Ford OEM rear main seal retainer supports proper engine assembly and leak-free operation. Whether replacing a damaged retainer during a rear main seal service or completing an engine rebuild, this component restores factory-level sealing reliability. The Rear Main Seal Retainer – Ford (1S7Z-6A321-B) is the right choice for those who value precision, durability, and OEM-quality engine components.

Rear Main Seal Retainer – Ford (1S7Z-6A321-B) is a Genuine OEM engine sealing and mounting component manufactured by Ford to properly support and position the rear main seal at the back of the engine block. This retainer ensures correct alignment and secure sealing of the rear main seal, helping prevent engine oil leaks at the crankshaft exit point. For professional mechanics and experienced DIY technicians, using an OEM rear main seal retainer is essential for reliable engine sealing and long-term durability.

Manufactured from high-quality, rigid metal alloy, this Ford rear main seal retainer is engineered to maintain precise tolerances under constant heat, vibration, and engine load. The robust construction prevents distortion over time, ensuring the rear main seal remains properly seated and evenly compressed. Aftermarket retainers may suffer from poor machining or material inconsistency, but this OEM component meets Ford’s strict standards for accuracy and durability.

The Ford 1S7Z-6A321-B rear main seal retainer is designed for exact compatibility with specific Ford engine applications. It aligns precisely with factory bolt holes, crankshaft positioning, and sealing surfaces, allowing for a direct-fit installation using original fasteners. This precise fitment reduces installation time and helps prevent common issues such as uneven seal wear or recurring oil leaks.

Key benefits for professional and DIY installers include:

• Ensures correct positioning of the rear main seal

• Rigid OEM construction resists warping and deformation

• Maintains proper crankshaft oil sealing integrity

• Direct-fit design with factory mounting locations

• Helps prevent engine oil leaks and repeat repairs

Choosing a Genuine Ford OEM rear main seal retainer supports proper engine assembly and leak-free operation. Whether replacing a damaged retainer during a rear main seal service or completing an engine rebuild, this component restores factory-level sealing reliability. The Rear Main Seal Retainer – Ford (1S7Z-6A321-B) is the right choice for those who value precision, durability, and OEM-quality engine components.