- Home
- Freightliner Parts
- Freightliner Columbia 112/120 Parts
- Freightliner Columbia 112/120 Frame & Chassis
- Freightliner Columbia 112/120 Frame Nut Covers
Freightliner Columbia 112/120 Frame Nut Covers
Frequently Asked Questions About Freightliner Columbia 112/120 Frame Nut Covers
Will these frame nut covers fit my specific Freightliner Columbia model year?
These frame nut covers are designed to fit Freightliner Columbia 112 and 120 models from 2001 to 2011. However, mid-year production changes can affect compatibility. We recommend checking your existing frame rail bolt pattern and measuring the spacing between mounting holes before ordering. Most Columbia models use standard 3/4" or 7/8" frame bolts, but some specialty configurations may vary.
What material are these nut covers made from, and will they rust or corrode?
Our frame nut covers come in two primary materials: chrome-plated ABS plastic and 304 stainless steel. The chrome ABS options provide an affordable solution with good weather resistance but may show wear after 2-3 years of heavy use. The stainless steel versions offer superior durability and won't rust, making them ideal for trucks operating in harsh weather conditions or road salt environments. Both materials are significantly more durable than painted steel alternatives.
Do I need to remove my wheels or frame components to install these nut covers?
No wheel removal is required for installation. These nut covers are designed to install directly over existing frame bolts and nuts. You'll need to remove any existing covers or caps, clean the bolt heads of dirt and grease, then press or twist the new covers into place. Some drivers find using a rubber mallet helps seat them properly. The entire installation typically takes 30-45 minutes for a complete set.
How many nut covers do I need for a complete set on my Columbia?
A standard Freightliner Columbia 112/120 typically requires 24-32 frame nut covers for full coverage of the visible frame rails, depending on your wheelbase and configuration. Short wheelbase models usually need 24 pieces, while extended wheelbase trucks may require up to 32. Count the exposed frame nuts on both sides of your truck before ordering to ensure complete coverage.
What styles and finishes are available, and which looks best with my truck?
Frame nut covers are available in several styles including smooth dome, pointed bullet, and flanged designs. Finish options include mirror chrome, brushed stainless, and powder-coated black. Chrome and stainless steel are most popular for trucks with existing chrome accessories, while black covers complement trucks with blacked-out themes. The pointed bullet style tends to give a more aggressive appearance, while smooth dome covers provide a cleaner, classic look.