This part fits the following make/models: 2004 - 2011 GMC Canyon 2004 - 2001 Chevy Colorado 2006 - 2010 Hummer H3 2009 - 2010 Hummer H3T This is a BRAND NEW OEM Spec rear leaf spring shackle for Canyon/Colorado Models and H3 Hummer from 2004 - 2011. Its an aftermarket heavy...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-213	Rear	2,500lbs	5/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-485	Rear	2,775lbs	7

*The 22-485 is a lower arch spring than the 22-489.  For a higher arched spring you can view the 22-489 by clicking HERE*This spring was not originally offered and is an upgrade for the Colorado and Canyon.The centerbolt on the Colorado and Canyon is originally 5/16 and installing this spring...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1321	Rear	575lbs	1

This is a helper spring for the stock 4 leaf spring.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1549	Rear	4,000lbs	9

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1503	Rear	1,800lbs	4/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-623	Rear	3,235lbs	10

*1978 - 1991 E-350 except passenger vans. This is a direct replacement/upgrade for the OEM factory spring. 

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-1419HD	Rear	1,600lbs	4

*This spring originally came on the 4wd model, and while it is compatible with the 2wd model it will sit taller than stock.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-489	Rear	2,775lbs	7

*This spring was not originally offered and is an upgrade for the Colorado and Canyon. The centerbolt on the Colorado and Canyon is originally 5/16 and installing this spring will require modification to the centerbolt head or axle seat hole as it comes with a 3/8 centerbolt.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-499	Rear	3,390lbs	8

*This spring was not originally offered and is an upgrade for the Colorado and Canyon. The centerbolt on the Colorado and Canyon is originally 5/16 and installing this spring will require modification to the centerbolt head or axle seat hole as it comes with a 3/8 centerbolt.