Wilwood gray TX6R rear layout for a 4.84-inch GM axle register, showing 16-inch slotted rotors, hats, pads and brackets
Wilwood gray TX6R rear caliper with a 16-inch slotted rotor and hat for the 4.84-inch GM axle register
Wilwood gray TX6R rear layout for a 4.84-inch GM axle register, showing 16-inch slotted rotors, hats, pads and brackets
Wilwood gray TX6R rear caliper with a 16-inch slotted rotor and hat for the 4.84-inch GM axle register

Wilwood Rear 16-Inch Anodized TX6R Brakes for GM HD Truck/SUV Axles, 4.84-Inch Pilot — Selected 1999–2013 Applications

SKU: 140-13879-C

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Product details

The 4.84-inch rear center pilot must be measured before selecting this anodized TX6R kit. Six-piston calipers, 16.00-inch slotted rotors and iron parking-brake hats form the specified GM rear conversion. Established in 1977 by Bill Wood, Camarillo, California-based Wilwood Engineering designs and manufactures disc brake systems. Its master cylinders, calipers, brake rotors, lines, fittings and valves support motorsport, street-performance and specialized applications, with each component selected for its role in the complete brake system.

Technical Details

  • Manufacturer: Wilwood
  • Manufacturer part number: 140-13879-C
  • Kit classification: Rear Brake Kits - Street Performance
  • Axle position: Rear Kits
  • Brake Type: Disc
  • Selling unit: Sold as a kit.
  • Rotor Outside Diameter: 16.00 in; 406.4 mm
  • Rotor Thickness: 1.38 in; 35.05 mm
  • Rotor Material: Iron
  • Surface Type: GT Slotted
  • Rotor construction: Vented
  • Bolt Circle Diameter: 8 x 6.5 in; 8 x 165.1 mm
  • Catalog stud / mounting-hole reference: 0.640 in; 16.26 mm
  • Rotor surface finish: Black Electro Coat
  • Hat material: Iron
  • Hat finish: Black E-Coat
  • Hat offset dimension: 1.910 in
  • Master Cylinder Included: No
  • Brake Booster Included: No
  • Brake Lines Included: No
  • Rear hose references requiring confirmation: 220-9811; 220-11196
  • Minimum wheel guidance (clearance drawing required): 20 in; 508 mm
  • Required rear axle / flange: OEM
  • Catalog axle-offset reference: 0.00 in; 0 mm
  • Spindle Included: No
  • Mounting Hardware Included: Yes
  • Separate wheel hubs included: No
  • Pistons per service caliper: 6
  • Service-caliper piston construction: Stainless
  • Service-caliper mount: Radial
  • Caliper body construction: Forged aluminum
  • Caliper Color: Anodize
  • Caliper Finish: Type III Anodize
  • Caliper Inlet Port Diameter: 1/8-27 NPT
  • Caliper family: TX6R
  • Pad compound: BP-22

Fitment & Compatibility

This rear kit requires the 4.84-inch center register; the similar 4.63-inch axle uses a different hat. Check the specific wheel, single/dual-wheel and model conditions below together with the original parking brake. Hoses are separate: the exact listing references 220-9811/220-11196, but DS-1096 names 220-18649 for 2007–2010. Resolve that rear-line reference before ordering the hose package.

Listed models: Silverado 2500 Pickup; Sierra 2500 Pickup; Silverado 2500 HD Pickup; Suburban 2500; Sierra 2500 HD Pickup; Yukon XL 2500; Avalanche 2500; Silverado 3500 Pickup; Sierra 3500 Pickup. Use the fitment table below for the individual years, submodels and equipment conditions.

Wilwood product specifications · Installation instructions

PMB Performance can help identify the required brake component with over 20 years of parts experience. Send the kit details and original-part measurements.

Years Make Model Submodel Model option Front brakes Rear brakes Kit application Notes
1999-2004 Chevrolet Silverado 2500 Pickup 8 Lug - All w/ 4.84 Center Register Rear Disc Disc Rear Kit 1, 2, 3
1999-2004 GMC Sierra 2500 Pickup 8 Lug - All w/ 4.84 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2006 Chevrolet Silverado 2500 HD Pickup 8 Lug - All w/ 4.84 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2006 Chevrolet Suburban 2500 8 Lug - All w/ 4.84 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2006 GMC Sierra 2500 HD Pickup 8 Lug - All w/ 4.84 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2001-2006 GMC Yukon XL 2500 8 Lug - All w/ 4.84 Center Register Rear Disc Disc Rear Kit 1, 2, 3
2002-2006 Chevrolet Avalanche 2500 8 Lug - All Disc Disc Rear Kit 1, 2, 3
2004-2006 Chevrolet Silverado 3500 Pickup 8 Lug - All w/ Single Rear Wheel Disc Disc Rear Kit 1, 2, 3
2004-2006 GMC Sierra 3500 Pickup 8 Lug - All w/ Single Rear Wheel Disc Disc Rear Kit 1, 2, 3
2007 Chevrolet Silverado 2500 HD Pickup 8 Lug - Classic Style Disc Disc Rear Kit 1, 4, 2, 3
2007 Chevrolet Silverado 2500 HD Pickup 8 Lug - New Style Disc Disc Rear Kit 1, 4, 2, 3
2007-2011 Chevrolet Suburban 2500 8 Lug - All Disc Disc Rear Kit 1, 4, 2, 3
2007 GMC Sierra 2500 HD Pickup 8 Lug - Classic Style Disc Disc Rear Kit 1, 4, 2, 3
2007 GMC Sierra 2500 HD Pickup 8 Lug - New Style Disc Disc Rear Kit 1, 4, 2, 3
2007-2011 GMC Yukon XL 2500 8 Lug - All Disc Disc Rear Kit 1, 4, 2, 3
2008-2010 Chevrolet Silverado 2500 HD Pickup 8 Lug - All Disc Disc Rear Kit 1, 4, 2, 3
2008-2010 GMC Sierra 2500 HD Pickup 8 Lug - All Disc Disc Rear Kit 1, 4, 2, 3
2012-2013 Chevrolet Suburban 2500 LS LS Disc Disc Rear Kit 1, 4, 2, 3
2012-2013 Chevrolet Suburban 2500 LT LT Disc Disc Rear Kit 1, 4, 2, 3
2012-2013 GMC Yukon XL 2500 SLE SLE Disc Disc Rear Kit 1, 4, 2, 3
2012-2013 GMC Yukon XL 2500 SLT SLT Disc Disc Rear Kit 1, 4, 2, 3