Dorman 999-888 Frame Crossmember
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Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$294.52
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
This frame crossmember replaces an original equipment part damaged by corrosion or impact. Made of durable steel for a reliable, long-lasting repair, this part matches the factory dimensions for an accurate and true frame repair.
- Ideal replacement - this frame crossmember is a direct replacement for the original crossmember
- Dimensionally precise - this crossmember matches the original part's dimensions for an accurate and true repair
- Durable construction - this crossmember is made of steel for a long-lasting repair
- Quality tested - this crossmember has undergone vehicle try-on, material, and corrosion testing to ensure proper fit and long-lasting durability
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2010 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2010 | Chevrolet | Silverado 3500 HD | Rear | Spare Tire Crossmember | |
| 2010 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2010 | GMC | Sierra 3500 HD | Rear | Spare Tire Crossmember | |
| 2009 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2009 | Chevrolet | Silverado 3500 HD | Rear | Spare Tire Crossmember | |
| 2009 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2009 | GMC | Sierra 3500 HD | Rear | Spare Tire Crossmember | |
| 2008 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2008 | Chevrolet | Silverado 3500 HD | Rear | Spare Tire Crossmember | |
| 2008 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2008 | GMC | Sierra 3500 HD | Rear | Spare Tire Crossmember | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | Rear | Spare Tire Crossmember | |
| 2007 | Chevrolet | Silverado 3500 Classic | Rear | Spare Tire Crossmember | |
| 2007 | GMC | Sierra 2500 HD Classic | Rear | Spare Tire Crossmember | |
| 2007 | GMC | Sierra 3500 Classic | Rear | Spare Tire Crossmember | |
| 2006 | Chevrolet | Avalanche 2500 | Rear | Spare Tire Crossmember | |
| 2006 | Chevrolet | Silverado 2500 (Mexico) | Rear | Spare Tire Crossmember | |
| 2006 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2006 | Chevrolet | Silverado 3500 | Rear | Spare Tire Crossmember | |
| 2006 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2006 | GMC | Sierra 3500 | Rear | Spare Tire Crossmember | |
| 2005 | Chevrolet | Avalanche 2500 | Rear | Spare Tire Crossmember | |
| 2005 | Chevrolet | Silverado 2500 (Mexico) | Rear | Spare Tire Crossmember | |
| 2005 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2005 | Chevrolet | Silverado 3500 | Rear | Spare Tire Crossmember | |
| 2005 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2005 | GMC | Sierra 3500 | Rear | Spare Tire Crossmember | |
| 2004 | Chevrolet | Avalanche 2500 | Rear | Spare Tire Crossmember | |
| 2004 | Chevrolet | Silverado 2500 | Rear | Spare Tire Crossmember | |
| 2004 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2004 | GMC | Sierra 2500 | Rear | Spare Tire Crossmember | |
| 2004 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2003 | Chevrolet | Avalanche 2500 | Rear | Spare Tire Crossmember | |
| 2003 | Chevrolet | Silverado 2500 | 78.0 Inch BedLength; Extended Cab Pickup | Rear | Spare Tire Crossmember |
| 2003 | Chevrolet | Silverado 2500 | 96.0 Inch BedLength | Rear | Spare Tire Crossmember |
| 2003 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2003 | GMC | Sierra 2500 | 78.0 Inch BedLength; Extended Cab Pickup | Rear | Spare Tire Crossmember |
| 2003 | GMC | Sierra 2500 | 96.0 Inch BedLength | Rear | Spare Tire Crossmember |
| 2003 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2002 | Chevrolet | Avalanche 2500 | Rear | Spare Tire Crossmember | |
| 2002 | Chevrolet | Silverado 2500 | 78.0 Inch BedLength; Extended Cab Pickup | Rear | Spare Tire Crossmember |
| 2002 | Chevrolet | Silverado 2500 | 96.0 Inch BedLength | Rear | Spare Tire Crossmember |
| 2002 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember | |
| 2002 | GMC | Sierra 2500 | 78.0 Inch BedLength; Extended Cab Pickup | Rear | Spare Tire Crossmember |
| 2002 | GMC | Sierra 2500 | 96.0 Inch BedLength | Rear | Spare Tire Crossmember |
| 2002 | GMC | Sierra 2500 HD | Rear | Spare Tire Crossmember | |
| 2001 | Chevrolet | Silverado 2500 | 78.0 Inch BedLength; Extended Cab Pickup | Rear | Spare Tire Crossmember |
| 2001 | Chevrolet | Silverado 2500 | 96.0 Inch BedLength | Rear | Spare Tire Crossmember |
| 2001 | Chevrolet | Silverado 2500 HD | Rear | Spare Tire Crossmember |
Product Specifications
| Configuration: | One Piece |
|---|---|
| Grade Type: | Standard Replacement |
| Length: | 41.5 in |
| Material: | Steel |
| Material Thickness: | 3 mm |
| Mounting Hardware Included: | Yes |
| Mounting Hole Diameter: | 12 mm |
| Mounting Hole Quantity: | 16 |
| Package Contents: | Crossmember; Mounting Hardware |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Selling Package Quantity UOM: | Piece |
| Universal Or Specific Fit: | Specific |
| Width: | 19.5 in |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 12479977 | GENERAL MOTORS |
| 12479978 | GENERAL MOTORS |
| 15200476 | GENERAL MOTORS |
| 15200477 | GENERAL MOTORS |
| 15200480 | GENERAL MOTORS |
| 15200481 | GENERAL MOTORS |
| 15200492 | GENERAL MOTORS |
| 15932671 | GENERAL MOTORS |
| 15932672 | GENERAL MOTORS |
| 15932673 | GENERAL MOTORS |
| 15932674 | GENERAL MOTORS |
| 15932675 | GENERAL MOTORS |
| 15932676 | GENERAL MOTORS |
| 15932677 | GENERAL MOTORS |
| 15932678 | GENERAL MOTORS |
| 15932679 | GENERAL MOTORS |
| 15932680 | GENERAL MOTORS |
| 15932682 | GENERAL MOTORS |
| 15932683 | GENERAL MOTORS |
| 15932684 | GENERAL MOTORS |
| 15932685 | GENERAL MOTORS |
| 15932686 | GENERAL MOTORS |
| 15939698 | GENERAL MOTORS |
| 15939700 | GENERAL MOTORS |
| 15939738 | GENERAL MOTORS |
| 25779562 | GENERAL MOTORS |
| 25779563 | GENERAL MOTORS |