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OE Quality
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DormanPart #: 999-979
Dorman 999-979 Frame Crossmember - Rear
16 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
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Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 1500 and Silverado 1500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Frame Crossmember options
Dorman 999-979 Frame Crossmember - Rear
| Brand | Dorman |
|---|---|
| Part Number | 999-979 |
| Material | Acero |
| Material | Steel |
| Length | 36 |
| Configuration | Multi piece |
| Configuration | Múltiples piezas |
| Width | 3 |
| Mounting Hardware Included | No |
| Mounting Hardware Included | Non |
| Universal Or Specific Fit | Específico |
| Universal Or Specific Fit | Specific |
| Grade Type | Reemplazo estándar |
| Grade Type | Standard replacement |
| Material Thickness | 3 |
| Mounting Hole Quantity | 1 |
| Mounting Hole Quantity | 1 ensamble de manguera del calentador |
| Mounting Hole Diameter | 3 |
| Contenidos del paquete | 1 travesaño |
| Contenidos del paquete | Soportes de montaje |
| Package Contents | 1 crossmember |
| Package Contents | Mounting brackets |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Body Type | Bed Length | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2014 | Chevrolet | Silverado 1500 | Standard Cab Pickup | 6' 6" Foot Bed | 4WD | Rear | Shock Crossmember |
| 2014 | GMC | Sierra 1500 | Standard Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2013 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2013 | GMC | Sierra 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2012 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2012 | GMC | Sierra 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2011 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2011 | GMC | Sierra 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2010 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2010 | GMC | Sierra 1500 | Extended Cab Pickup | 6' 6" Foot Bed | Rear | Shock Crossmember | |
| 2009 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 5' 9" Foot Bed | Rear | Shock Crossmember | |
| 2009 | GMC | Sierra 1500 | Extended Cab Pickup | 5' 9" Foot Bed | Rear | Shock Crossmember | |
| 2008 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 5' 9" Foot Bed | Rear | Shock Crossmember | |
| 2008 | GMC | Sierra 1500 | Extended Cab Pickup | 5' 9" Foot Bed | Rear | Shock Crossmember | |
| 2007 | Chevrolet | Silverado 1500 | Extended Cab Pickup | 5' 9" Foot Bed | Rear | Shock Crossmember | |
| 2007 | GMC | Sierra 1500 | Extended Cab Pickup | 5' 9" Foot Bed | Rear | Shock Crossmember |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
159281921592819820858016228320522283205322832054228320552283205722832058228320672577944725857941
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.