Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-079		2500lbs	4

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 4 Individual leaf thickness -4/.360 Main leaf A length - 12-9/16” Main leaf B length - 12-9/16" Bushing - Two Nylon Included Capacity - 2500lbs Arch - 3-5/8” Shipping weight - 14lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-054		3500lbs	7

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 7 Individual leaf thickness -7/.360 Main leaf A length - 14” Main leaf B length - 14" Bushing - Two Nylon Included Capacity - 3500lbs Arch - 4-1/4” Shipping weight - 25lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-053		3000lbs	6

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 6 Individual leaf thickness -6/.360 Main leaf A length - 14” Main leaf B length - 14" Bushing - Two Nylon Included Capacity - 3000lbs Arch - 4-1/4” Shipping weight - 20lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-052		2500lbs	5

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 5 Individual leaf thickness -5/.360 Main leaf A length - 14” Main leaf B length - 14" Bushing - Two Nylon Included Capacity - 2500lbs Arch - 4-1/4” Shipping weight - 17lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-051		2000lbs	4

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 4 Individual leaf thickness -4/.360 Main leaf A length - 14” Main leaf B length - 14" Bushing - Two Nylon Included Capacity - 2000lbs Arch - 4-1/4” Shipping weight - 15lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-050		1500lbs	3

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 3 Individual leaf thickness -3/.360 Main leaf A length - 14” Main leaf B length - 14" Bushing - Two Nylon Included Capacity - 1500lbs Arch - 4-1/4” Shipping weight - 11lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-049		1000lbs	2

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 2 Individual leaf thickness -2/.360 Main leaf A length - 14” Main leaf B length - 14" Bushing - Two Nylon Included Capacity - 1000lbs Arch - 4-1/4” Shipping weight - 10lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-037		705lbs	2

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 2 Individual leaf thickness -2/.323 Main leaf A length - 15” Main leaf B length - 17-3/4" Bushing - One Nylon Included Capacity - 705lbs Arch - 4-7/8” Shipping weight - 10lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-035		650lbs	3

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 3 Individual leaf thickness -3/.259  Main leaf A length - 15-5/8” Main leaf B length - 15-5/8" Bushing - Two Nylon Included Capacity - 650lbs Arch - 4” Shipping weight - 10lbs What is included: One leaf spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
UNA-024		1100lbs	4

Leaf Spring Specifications: Width -   1-3/4“ Number of leaves - 4 Individual leaf thickness -4/.291 Main leaf A length - 14-1/2” Main leaf B length - 19-1/2” Bushing - One Nylon Included Capacity - 1100lbs Arch - 4-1/4” Shipping weight - 13lbs What is included: One leaf spring

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

OEM # E0TA5560AZB / E0TZ5560K /  EOTZ5560AD

This BRAND NEW Rolling Lobe Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-9069  Goodyear Part Number - 1R12-069  Contitech Part Number -   Automann Part Number - AB1DK231-9069  Power10 Part Number - AB-9069  Firestone Bellows Number - 1T15M-4  Goodyear Bellows Number -...

This BRAND NEW Rolling Lobe Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-9780  Goodyear Part Number - 1R12-268 / 1R12-303  Contitech Part Number -   Automann Part Number - AB1DF23-9780  Power10 Part Number -  AB-9780  Firestone Bellows Number -  1T15ZR-6  Goodyear...

This BRAND NEW Rolling Lobe Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-9366  Goodyear Part Number - 1R12-487  Contitech Part Number -   Automann Part Number - AB1DK23H-9366  Power10 Part Number -  AB-9366  Firestone Bellows Number -  1T15M-2  Goodyear Bellows Number...

This BRAND NEW Rolling Lobe Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-377-9781 / W01-358-9781  Goodyear Part Number - 1R12-603  Contitech Part Number -   Automann Part Number - AB1DF23-9781  Power10 Part Number -  AB-9781  Firestone Bellows Number -  1T15ZR-6  Goodyear Bellows...

This BRAND NEW Rolling Lobe Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-9622  Goodyear Part Number - 1R11-221  Contitech Part Number -   Automann Part Number - AB1DK20G-9622  Power10 Part Number -  VM1-9622, AB-9622  Firestone Bellows Number -   Goodyear Bellows Number...

This BRAND NEW Rolling Lobe Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-9307  Goodyear Part Number - 1R12-095  Contitech Part Number -   Automann Part Number - AB1DK23F-9307  Power10 Part Number -   Firestone Bellows Number -  1T15M-0, 1T15M-0.5  Goodyear Bellows Number...

This BRAND NEW Rolling Lobe Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-9422  Goodyear Part Number - 1R11-028  Contitech Part Number -   Automann Part Number - AB1DK20D-9422  Power10 Part Number - AB-9422  Firestone Bellows Number -   Goodyear Bellows Number - 566-22-3-021  Contitech...

This BRAND NEW Double Convoluted Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-6897  Goodyear Part Number - 2B9-229  Contitech Part Number -   Automann Part Number - ABSP2B12R-6897  Power10 Part Number - AB-6897  Firestone Bellows Number - 20F was 20  Goodyear Bellows Number - 578-92-3-202...

This BRAND NEW Double Convoluted Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-7325  Goodyear Part Number - 2B8-150 / 2B8-153 / 2B8-550  Contitech Part Number -   Automann Part Number - ABSP2B08RA-7325  Power10 Part Number -   Firestone Bellows Number - 26C was 26  Goodyear...

This BRAND NEW Double Convoluted Style air spring is OE Spec and conforms to the following part numbers:    Firestone Part Number - W01-358-6910  Goodyear Part Number - 2B9-200  Contitech Part Number -   Automann Part Number - ABSP2B12R-6910  Power10 Part Number - AB-6910  Firestone Bellows Number - 20F was 20  Goodyear Bellows Number - 578-92-3-202  Contitech...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-2051	Rear	6,785	10

Note: This spring is only for use on the F550 Chassis Cab. It does not fit the F550 Pickup

This part fits the following make/models:   1957 - 1959 C10 Front and Rear Springs 1957 - 1959 C20 Front Springs (3400/3500/3700 Series - not Double Duty) 1955 - 1959 C20 Front Springs (3400/3500/3700 Series) 1955 - 1959 C30 Front Springs (3800 Series)

This part fits the following make/models: 1992 - 1998 F-350 Dually 1992 - 1998 F-350 Cab & Chassis This is a BRAND NEW Rear Leaf spring hanger for 1992 - 1998 Ford F-350 Dual Rear Wheel with 2-1/4" springs. What's In The Box: 1 Hanger

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1741-XL	Rear	750lbs	1

Features: This leaf is specifically made for the rear spring on Ram Promaster Vans based on OE Spec design and SRI specifications. They are fully tapered just like the original springs and have correct arch to match so that they won't dig into the existing leaves. *Adding non-tapered leaves with your existing tapered...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1337HD	Rear	14,000lbs	6/4

This is a heavy duty upgrade to the rear spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-792	Front	3,825lbs	7

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-2069HD	Rear	5,325lbs	5/1

This is a heavy duty upgrade to the rear spring

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
22-1567HD	Rear	2,235lbs	3/1

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
34-1487	Rear	1,700lbs	3/1/Wedge

This is a direct replacement for the stock 4 leaf spring.

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
34-1431	Rear	1,800lbs	3/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1477	Rear	1,800lbs	3/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1501	Rear	2,200lbs	4/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1335HD	Rear	3,600lbs	5/1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-183	Rear	1,700lbs	5

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-1341	Rear	2,470lbs	3/1PD

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
34-800	Front	1,900lbs	6

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-1749	Rear	675lbs	1

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-623HD	Rear	4,000lbs	10

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

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
43-485	Rear	2,400lbs	6/3

This is a direct replacement/upgrade for the OEM factory spring.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-701HD	Rear	4,295lbs	6/1

This is a Heavy Duty upgrade for the stock springs. Its perfect for plowing and other heavy duty applications.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-695HD	Rear	3,100lbs	7

This is a direct heavy duty upgrade for the OEM factory spring. 

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-630	Front	2,250lbs	2

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-571	Rear	2,450lbs	4/1

This is a direct replacement/upgrade for the OEM factory spring.

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-516	Front	2,200lbs	2/PD

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
43-723	Rear	1,655lbs	3/1

This is a Standard Duty replacement for the stock three leaf spring.