99 – 2006 GMC SIERRA HD Front Bumper and Grill | Heavy-Duty Replacement Combo for 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 GMC Sierra 2500HD 3500HD

Description

Restore the legendary front end of your 1999-2006 GMC Sierra HD with our Complete Front Bumper and Grill Combo. Engineered for the GMT800 HD platform, this package fits Sierra 2500HD and 3500HD from 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006. If your factory bumper is rusted, dented, or sagging and your grill is faded or cracked, this is the OEM+ replacement that restores factory alignment with heavy-duty strength.

Fitment: 1999-2006 GMC Sierra HD Front Bumper and Grill

• 1999, 2000 GMC Sierra 2500 (GMT800 Classic Body)
• 2001-2006 GMC Sierra 2500HD – All Trims: SLE, SLT, WT, Duramax LB7 / LLY / LBZ, 6.0L, 8.1L
• 2001-2006 GMC Sierra 3500HD – Single and Dually
• Replaces OEM: GM1102298, GM1200403, 15113101, 25952650
• Does NOT fit Sierra 1500 or 2007+ New Body Style

What’s Included in This Combo?

1. Heavy-Duty Front Bumper Assembly: 2.5mm cold-rolled steel face bar, dual-layer reinforcement bar, left/right mounting brackets, lower valance, pre-stamped fog light holes, and license plate mounts. Available in Triple-Chrome Plated or Matte Black Powder Coat. 2. Premium Front Grill Assembly: High-impact UV-stabilized ABS shell with honeycomb or billet insert, GMC emblem mount, and hood latch provision. Available in Chrome with Black Honeycomb or Full Gloss/Matte Black. 3. Complete Hardware Kit: All bolts, clips, and retainers for direct bolt-on installation.

Why Upgrade Your 99-06 Sierra HD Front End?

The factory bumper on your Sierra HD was built for 2000s standards. After 20 years of job sites, salt, and towing, it rusts at the seams and bends under winch or plow stress. Our replacement uses thicker steel than economy replacements and goes through a 5-stage anti-rust process: acid wash, zinc phosphate, E-coat primer, powder primer, and final topcoat. The result is a bumper that protects against low-speed impacts and will not sag, flex, or rust through. The triple-plated chrome won’t bubble, and the black powder coat resists scratches, UV fading, and rock chips – perfect for lifted Duramax builds, work trucks, and show trucks. Our grill is the centerpiece. We use UV-stabilized ABS that will not fade to grey or crack in winter. The honeycomb design is not just for the aggressive Sierra HD look – it provides 12% more airflow than restrictive base model grills, helping lower intake and transmission temperatures when towing heavy loads with your LB7, LLY, or LBZ Duramax. Your truck runs cooler and looks brand new.

Key Features & Benefits

• True OEM Fitment: Built from factory CAD data and 3D scanned GM tooling. Even fender gaps, flush alignment, no slotting holes.
• Heavy-Gauge Steel Bumper: 2.5mm steel face bar vs 1.8mm on cheap eBay bumpers. Real protection.
• Corrosion Proof: 5-stage coating + E-coat inside and out for salt-belt durability.
• Functionality Retained: Fog lights, tow hooks, license plate, and air dam channels for cooling are all fully compatible.
• DIY Bolt-On: No cutting, welding, or fabrication. Install in 2-3 hours with basic hand tools. 55 ft-lbs torque on main brackets.
• Color Match Guarantee: When ordered as a combo, your bumper and grill are from the same finish batch – no mismatched chrome or black shades.

Installation: Direct Bolt-On For Your Driveway

You do not need a body shop. Remove 4 top grill bolts and clips, pull grill forward. Support bumper with jack, remove 6 main bracket bolts (3 per side), disconnect fog light wiring. Transfer fog lights to new bumper, lift new bumper, loosely tighten, align gaps, then torque to spec. Snap in new grill. All instructions included with QR code to video install for 1999-2006 GMC Sierra HD.