Product Description: Brand New Heavy Duty version of the OE spec U-bolt plate for vehicles using either the 3.5" or 4" axle tube diameter Fits: 1999 - 2010 - F-250 Superduty 1999 - 2010 - F-350 Superduty 2000 - 2006 - Excursion  What's In The Box: 1 U-bolt Plate

This part fits the following make/models: 1999 - 2010 Ford SuperDuty trucks using 16mm rear eyebolts This is a BRAND NEW Rear Leaf spring Shackle for 1999 - 2010 Ford superduty trucks using 16mm rear eyebolts. This is NOT a Dorman part. This is made by an actual SRI OE Spec...

This part fits the following make/models: 1999 - 2010 F-250 Superduty w/ 3.5" axle tube diameter 2000 - 2006 Excursion 2009 - 2013 E-250 2009 - 2013 E-350 w/ 3.5" axle tube diameter Heavy Duty version of the OE spec U-bolt plate for vehicles with 3.5" axle tube diameters What's In...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1681HD	Rear	4,400lbs	5/1

This is a Heavy Duty replacement for the stock leaf spring.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1855	Rear	2,700lbs	2/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1705	Rear	3,600lbs	4

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1849	Rear	2,700lbs	2/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1279	Rear	525lbs	1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1681	Rear	2,700lbs	4/1

This is a Heavy Duty replacement for the stock leaf spring.