The year(s) listed is based on data from many publications and may not include all appropriate years.
| Part Number | Years | Part Name | Description | Application |
|---|---|---|---|---|
| C3UZ 5560-A | 1963 | Spring Assembly - Rear Leaf | 5 leaves, 1025 lbs load rate A= 2-1/4" wide, B= 20-5/8" & C= 27" long, D= 1.37" total thickness Leaf 1 = C3UZ 5563-A, 0.291" thick Leaf 2 = C3UZ 5565-A, 0.291" thick includes 5781 Spring Bushing |
9" rear axle, from serial #350,001 2300 lb and 2780 lb rear axle |
| C4UZ 5560-A | 1963-1966 | Spring Assembly - Rear Leaf | 5 leaves, 1025 lbs load rate A= 2-1/4" wide, B= 20.6" & C= 27" length, D= 1.37" total thickness three leaves @ 0.262" thick, two @ 0.291" thick Leaf 1 = C3UZ 5563-A, 0.291" thick Leaf 2 = C3UZ 5565-A, 0.291" thick Leaf ? C4UZ 5560-A includes 5781 Spring Bushing |
7-1/4" rear axle, before serial #775,001 |
| C5UZ 5560-A | 1963-1966 | Spring Assembly - Rear Leaf | 7 leaves, 1400 lbs load rate A= 2-1/4" wide, B= 20-5/8" & C= 27" long, D= 1-15/16" total thickness three @ 0.262" thick, four @ 9/32" thick Leaf 1 = C3UZ 5563-B, 0.291" thick Leaf 2 = C5UZ 5565-A, 0.291" thick includes 5781 Spring Bushing |
9" rear axle, before serial #775,001 |
| C4UZ 5560-B | 1963-1965 | Spring Assembly - Rear Leaf | 6 leaves, 1230 (1200) lbs load rate A= 2-1/4" wide, B= 20-5/8" & C= 27" long, D= 1.66" total thickness three @ 0.262" thick, three @ 0.291" thick Leaf 1 = C3UZ 5563-B, 0.291" thick Leaf 2 = C3UZ 5565-B, 0.291" thick includes 5781 Spring Bushing |
9" rear axle, from serial #350,001 to serial #775,001 |
| C1UU 5560-D | 1961 | Spring Assembly - Rear Spring | 5 leaves, ??? lbs load rate includes 5781 Spring Bushing |
standard suspension |
| C1UU 5560-E | 1961 | Spring Assembly - Rear Spring | 6 leaves, ??? lbs load rate includes 5781 Spring Bushing |
89A van, 89B bus with Heavy Duty suspension |
| C1UU 5560-F | 1961 | Spring Assembly - Rear Spring | 6 leaves, ??? lbs load rate includes 5781 Spring Bushing |
87A pickup with Heavy Duty suspension |
| C1UU 5560-G | 1961-1963 | Spring Assembly - Rear Spring | 6 leaves, 950 lbs load rate A= 2-1/4" wide, B= 20.62" & C= 27" long, D= 1.64" total thickness two @ 0.237" thick, two @ 0.262" thick, two @ 0.32" thick, Leaf #2 is 0.262" thick Leaf 1 = C1UU 5563-A, C1TT 5563-K, 0.262" thick Leaf 2 = C1UU 5565-A, 0.262" thick includes 5781 Spring Bushing |
7-1/4" rear axle, before serial #350,001 |
| C6TZ 5560-S | 1965-1967 | Spring Assembly - Rear Spring | 7 leaves, 1400 lbs load rate A= 2-1/4" wide, B= 20-5/8" & C= 27" long, D= 1-15/16" total thickness three @ 0.262" thick, four @ 9/32" thick Leaf 1 = C6TZ 5563-R, 0.291" thick Leaf 2 = C5UZ 5565-A, 0.291" thick includes 5781 Spring Bushing |
9" rear axle, from serial #775,001 |
| C6TZ 5560-T | 1965-1967 | Spring Assembly - Rear Spring | 6 leaves, 1230 lbs load rate A= 2-1/4" wide, B= 20-5/8" & C= 27" long, D= 1.66" total thickness three @ 0.262" thick, three @ 0.291" thick Leaf 1 = C6TZ 5563-S, 0.291" thick Leaf 2= C3UZ 5565-B, 0.291" thick includes 5781 Spring Bushing |
9" rear axle, from serial #775,001 |
| C6TZ 5560-U | 1966-1967 | Spring Assembly - Rear Spring | 5 leaves, 1025 lbs load rate, A= 2.25", B= 20.62", C=27", D= 1.37" Leaf 1 = C6TZ 5563-T, 0.291" thick Leaf 2 = C3UZ 5565-A, 0.291" thick includes 5781 Spring Bushing |
7-1/4" rear axle, from serial #775,001 |
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