17 inch. 18". Wheel, spare.

Rear Main Seal Retainer – Ford (CG1Z-6335-B)

The Ford Rear Main Seal Retainer (CG1Z-6335-B) is a Genuine OEM engine component engineered to securely house and position the rear main crankshaft seal within the engine block assembly. This retainer plays a critical role in maintaining proper seal alignment, ensuring effective oil containment at the rear of the crankshaft. Designed to Ford’s exact dimensional tolerances, this OEM retainer helps prevent oil leaks and supports long-term engine reliability.

Constructed from precision-cast and machined aluminum or high-strength alloy material, this Genuine Ford rear main seal retainer is built to maintain structural integrity under engine heat and vibration. OEM retainers are engineered with accurate bolt hole alignment and sealing surfaces to ensure a proper interface between the engine block and crankshaft seal. Compared to many aftermarket alternatives, factory components provide consistent fitment and correct seal positioning.

The CG1Z-6335-B rear main seal retainer is designed as a direct-fit replacement, matching factory mounting points and gasket interfaces. Proper installation is essential to ensure correct seal compression and prevent oil seepage at the crankshaft flange. Using a Genuine Ford retainer helps maintain proper crankshaft sealing alignment and reduces the risk of premature oil leaks.

For professional technicians, installing OEM engine sealing components ensures predictable fitment and alignment during engine service or rebuild procedures. Genuine Ford parts help reduce repeat repairs caused by improper sealing surfaces. For vehicle owners and experienced DIY mechanics, replacing a damaged or warped retainer restores proper oil containment and supports long-term engine performance.

Maintaining effective rear crankshaft sealing is essential for engine cleanliness and durability. Choosing Genuine Ford OEM components ensures precise fitment, reliable sealing support, and performance consistent with original factory engineering standards.

• Genuine Ford OEM rear main seal retainer

• Precision-machined for accurate seal alignment

• High-strength construction resistant to heat and vibration

• Direct-fit design matching factory mounting specifications

• Helps prevent rear crankshaft oil leaks

• Supports long-term engine sealing integrity

If you’re servicing the rear main seal or performing engine repairs, the Ford Rear Main Seal Retainer (CG1Z-6335-B) delivers factory-engineered fitment, dependable oil containment, and OEM-level durability for your Ford vehicle.

17 inch. 18". Wheel, spare.

Rear Main Seal Retainer – Ford (CG1Z-6335-B)

The Ford Rear Main Seal Retainer (CG1Z-6335-B) is a Genuine OEM engine component engineered to securely house and position the rear main crankshaft seal within the engine block assembly. This retainer plays a critical role in maintaining proper seal alignment, ensuring effective oil containment at the rear of the crankshaft. Designed to Ford’s exact dimensional tolerances, this OEM retainer helps prevent oil leaks and supports long-term engine reliability.

Constructed from precision-cast and machined aluminum or high-strength alloy material, this Genuine Ford rear main seal retainer is built to maintain structural integrity under engine heat and vibration. OEM retainers are engineered with accurate bolt hole alignment and sealing surfaces to ensure a proper interface between the engine block and crankshaft seal. Compared to many aftermarket alternatives, factory components provide consistent fitment and correct seal positioning.

The CG1Z-6335-B rear main seal retainer is designed as a direct-fit replacement, matching factory mounting points and gasket interfaces. Proper installation is essential to ensure correct seal compression and prevent oil seepage at the crankshaft flange. Using a Genuine Ford retainer helps maintain proper crankshaft sealing alignment and reduces the risk of premature oil leaks.

For professional technicians, installing OEM engine sealing components ensures predictable fitment and alignment during engine service or rebuild procedures. Genuine Ford parts help reduce repeat repairs caused by improper sealing surfaces. For vehicle owners and experienced DIY mechanics, replacing a damaged or warped retainer restores proper oil containment and supports long-term engine performance.

Maintaining effective rear crankshaft sealing is essential for engine cleanliness and durability. Choosing Genuine Ford OEM components ensures precise fitment, reliable sealing support, and performance consistent with original factory engineering standards.

• Genuine Ford OEM rear main seal retainer

• Precision-machined for accurate seal alignment

• High-strength construction resistant to heat and vibration

• Direct-fit design matching factory mounting specifications

• Helps prevent rear crankshaft oil leaks

• Supports long-term engine sealing integrity

If you’re servicing the rear main seal or performing engine repairs, the Ford Rear Main Seal Retainer (CG1Z-6335-B) delivers factory-engineered fitment, dependable oil containment, and OEM-level durability for your Ford vehicle.