Dynamite Friction 6402-54221 Disc Brake Kit - Rear

Rear Brake Kit for Ford F-150 and Mark LT

The Dynamite Friction DFC Brake Rotor- 1400 Ultimate Duty Performance Pad disc brake kit is built for rear brake service on select Ford and Lincoln trucks with 7 lug wheels. Part number 6402-54221 covers specific rear applications for the Ford F-150 and Lincoln Mark LT, including heavy-duty configurations listed below.

• Rear disc brake kit for select 2004-2011 Ford F-150 applications
• Fits 2004 Ford F-150, rear, New Body Style, 7 lug wheels
• Fits 2004 Ford F-150 Heritage, rear, New Body Style, 7 lug wheels
• Fits 2005-2011 Ford F-150, rear, 7 lug wheels
• Fits 2005-2008 Ford F-150, rear, 7 lug wheels; bearing retainer nut 340-54503 noted for some applications
• Fits 2006-2008 Lincoln Mark LT, rear, 7 lug wheels, Heavy Duty Payload Package
• Fits 2006-2008 Lincoln Mark LT, rear, 7 lug wheels, Heavy Duty Payload Package; bearing retainer nut 340-54503 noted for some applications

Product Details

The DFC Brake Rotor- 1400 Ultimate Duty Performance Pad line focuses on service-kit coverage for demanding truck brake applications. This part number, 6402-54221, is listed for rear use only and is matched to 7 lug wheel configurations on the Ford F-150 and Lincoln Mark LT. Use the fitment notes to confirm body style, payload package, and bearing retainer nut requirements before ordering.

Common Brake Service Issues

• Rear brake wear on high-load Ford F-150 and Lincoln Mark LT trucks
• Brake noise or reduced stopping performance from worn rear components
• Service needs on 7 lug wheel rear brake setups
• Fitment-specific replacement for New Body Style and Heavy Duty Payload Package applications

Installation Notes

Verify rear axle configuration, wheel lug count, and all fitment notes against the vehicle before installation. Some listed applications reference bearing retainer nut 340-54503, so confirm whether that note applies to the exact truck being serviced. Professional installation and brake system inspection are recommended after replacement.

Quality Assurance

Dynamite Friction identifies this as a Disc Brake Kit in the Brake > Service Kits category, with application-specific coverage for select Ford and Lincoln rear brake service. Part number 6402-54221 should be matched to the exact year, model, and notes shown in the fitment data.