Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
42-813	Rear	1,650lbs	4/1

OEM # E0TA5560AZB / E0TZ5560K /  EOTZ5560AD

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-646	Front	4,000lbs	PD/2

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-835	Rear	11,500lbs	2/1/PD

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-1567-T	Rear	1,900lbs	2/1

OEM # 25976356 Your suspension is one of the most critical components in your truck, don't take a gamble with subpar off brand springs. If you're looking for a new replacement OEM spec leaf spring for your 07 - 18 Chevrolet Silverado or GMC Sierra because your truck just doesn't ride or...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-1269-T	Rear	2,025 lbs	4/1

OEM # 15711753

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-1221-T	Rear	1425 lbs	2/1

OEM # 15033928 Your suspension is one of the most critical components in your truck, don't take a gamble with subpar off brand springs. If you're looking for a new replacement OEM spec leaf spring for your 99 - 06 Chevrolet Silverado or GMC Sierra because your truck just doesn't ride or haul like...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1263-T	Rear	3,000lbs	4/1

OEM # F81Z5560CA / 81A5580CD *This spring offers a 750lbs (1500lbs both sides total) upgrade to the stock capacity for the Excursion as well as around a 2" to a 2-1/2" increase in rear height. This is the perfect way to do a small lift and made good capacity and rate gains...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1291-T	Rear	750lbs	1

OEM # F81Z5560BB / F81A5560BD   This is a direct replacement for the stock single leaf helper spring.