Frenkit 751904 Disc Brake Caliper Repair Kit - Rear

Rear Brake Caliper Repair Kit for Ford F-150

Restore rear brake caliper function with the Frenkit 751904 disc brake caliper repair kit. Built around a 51mm caliper piston diameter, this kit is specified for rear applications on select Ford F-150 and Lincoln Mark LT models with matching OE caliper numbers.

Use Frenkit 751904 when servicing a rear caliper on a 2004-2011 Ford F-150 or 2006-2008 Lincoln Mark LT with the listed OE caliper reference. The part number 751904 is a direct service solution for caliper rebuild work where piston size and OE caliper match are critical.

Key Features

• Disc brake caliper repair kit for rear brake service
• 51mm caliper piston diameter
• Fits select Ford F-150 rear calipers from 2004-2011
• Fits select Lincoln Mark LT rear calipers from 2006-2008
• OE caliper number match required for correct application
• Frenkit part number 751904

Detailed Description

This Frenkit brake service kit is made for rear disc brake caliper repair on specific Ford and Lincoln trucks. It is identified by part number 751904 and centers on a 51mm piston diameter, making it important to verify the caliper OE number before ordering. For Ford F-150 rear brake service, the listed applications cover 2004-2011 models with the matching caliper references shown in the fitment data. The same rear application also covers 2006-2008 Lincoln Mark LT models with the specified OE caliper numbers.

This part cross-references no additional part numbers in the provided data.

What It Is Used For

• Rebuilding a leaking rear brake caliper
• Replacing worn caliper seals during brake service
• Addressing uneven rear brake performance
• Correcting caliper drag caused by internal wear
• Servicing rear brakes on Ford F-150 and Lincoln Mark LT trucks

Installation Notes

• Confirm the rear caliper OE number before installation: 6L3Z2552AC, 6L3Z2553AC, 6L3Z2552AA, 6L3Z2552AC, 6L3Z2553AA, 6L3Z2553AC, 4L3Z2552AB, or 4L3Z2553AB as listed for the vehicle.
• Verify the caliper piston diameter is 51mm.
• Inspect the caliper bore, piston, and slide surfaces for wear before rebuilding.
• Bleed the brake system after service and check for leaks and proper pedal feel.

Quality Assurance

Frenkit supplies brake service components for caliper repair applications, and this kit is cataloged for the specific rear fitments listed above. Always match the OE caliper number and piston diameter to ensure correct service selection.

Fitment

• Fits 2007-2011 Ford F-150, rear, with Brake Caliper OE No. 6L3Z2552AC, 6L3Z2553AC
• Fits 2007-2008 Lincoln Mark LT, rear, with Brake Caliper OE No. 6L3Z2552AC, 6L3Z2553AC
• Fits 2006 Ford F-150, rear, with Brake Caliper OE No. 6L3Z2552AA, 6L3Z2552AC, 6L3Z2553AA, 6L3Z2553AC
• Fits 2006 Lincoln Mark LT, rear, with Brake Caliper OE No. 6L3Z2552AA, 6L3Z2552AC, 6L3Z2553AA, 6L3Z2553AC
• Fits 2004-2005 Ford F-150, rear, with Brake Caliper OE No. 4L3Z2552AB, 4L3Z2553AB