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Parts Listing
SP
Special Order
◆
Not Serviced by Dayton Parts Product Illustration/Photo Follows Popular
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71
Dana
Reference
www.daytonparts.comfor continuing updates.
Dana
55 Series Suspension
Key
No.
Part
Number
Description
No.
Req.
OEM
Reference
Remarks
1
◆
Hanger, Center; Old Style
2
●
2
338-1510
Equalizer; Old Style
2 B55534, 5506
3
334-1063
Shaft & Bearing; Old Style
2 L4325
●
4
321-311
Bearing; Old Style
4 L1325, 5525
5
334-1054
Shaft; Old Style; 1
³⁄₄
"OD X 7
¹⁄₂
"Lg
2 K1410, 5524-A
Obsolete
6
334-455
Washer, Compression; 1 1/6"ID x 4"OD x
¹⁄₄
"Thk
4 H241, 5522
7
334-209
Bolt; 1"-8 x 2
¹⁄₂
"Lg
2 H80025, 5530A Old Style
✔✔
8
SLN-107
Nut, Lock; 1"-14
10
New Style; OE Used Coarse Thread
9
SFW-100
Washer, Flat; 1"ID
2 H230, 5522-1
10
338-1702
Hanger
4 B55517
Undermount; Obsolete
●
338-1522
Hanger, LF-RR
2 B55512, 5501
Flangemount
●
338-1523
Hanger, RF-LR
2 B55522, 5502
Flangemount
11
338-1703
Hanger
4 B55580, 5503U-1 Undermount; Obsolete
●
338-1524
Hanger
4 B55533, 5503A-1 Flangemount; Obsolete
12
◆
Pad, Wear; Replacement
4 K2303
●
13
334-1066
Assembly, Retainer
4 L3049
Incl. Bolt & Retainer Pad
✔✔ ●
14
338-1509
Assembly, Equalizer; New Style
2 B55536, 5506-1
15
334-1061
Shaft & Bearing; New Style
2 L4025
●
16
321-312
Bearing; New Style
2 L1425
17
334-476
Bolt; 1"-14 x 8"Lg
2 H80080, 5530-1 OE Used Coarse Thread
●
18
338-202
Plate, Top Clamp; U-Bolt; 4"W x 5
³⁄₈
"Lg c/c; 4" x 6"
Axle
4 K1114, T4069
Obsolete
●
338-203
Plate, Top Clamp; U-Bolt; 3
⁷⁄₈
"W x 5
⁷⁄₈
" c/c; 5" Rd.
& Eaton 5" Sq. Axles
4 K1014, 5514
●
338-1530
Plate, Top; 5" Square Axles
4 K1244, 5515-201 For 5" Square Axles
✔✔ ●
338-381
Saddle, U-Bolt; Fabricated; 3"W x 7
¹⁄₂
"Lg
4 K1215, 7029-00 Can Use 338-200; All Axles; U-Bolts Down
19
338-1711
Bracket, Torque Rod/Seat; 1"; 5" Round Axle
4 E550104, W260-10 Obsolete
●
338-1531
Bracket, Torque Rod/Seat; 1
¹⁄₂
"; 5" Round Axles
4 E550153
338-1532
Bracket, Torque Rod/Seat; 2
¹⁄₄
"; 5" Round Axles
4 E550223
Obsolete
338-1712
Bracket, Torque Rod/Seat; 1"; 5" Square Axles
4 E555301, 5511-22L Obsolete
338-1713
Bracket, Torque Rod/Seat; 1"; 4"x 6" Axles
4 E546103
Obsolete
20
361-568
Kit, U-Bolt; Round Bend, Grade 8
8 H75010
⁷⁄₈
" x 5
¹⁄₈
" x 10
⁷⁄₈
" R
✔
361-258
Kit, U-Bolt; Round Bend, Grade 8
8 H75015
⁷⁄₈
" x 5
¹⁄₈
" x 11
⁷⁄₈
" R
361-559
Kit, U-Bolt; Round Bend, Grade 8
8 H75025
⁷⁄₈
" x 5
¹⁄₈
" x 12
⁷⁄₈
" R
✔
361-254
Kit, U-Bolt; Round Bend, Grade 8
8 H75035
⁷⁄₈
" x 5
¹⁄₈
" x 13
⁷⁄₈
" R
361-558
Kit, U-Bolt; Round Bend, Grade 5
8 H75055
⁷⁄₈
" x 5
¹⁄₈
" x 15
⁷⁄₈
" R
361-509
Kit, U-Bolt; Round Bend, Grade 5
8
⁷⁄₈
" x 5
¹⁄₈
" x 17
⁷⁄₈
" R
21
345-695
Torque Rod, Adjustable; 14"-18
¹⁄₂
"Lg
2 M109101, 55150 Use 321-147 Bushings, Not Included
345-860
Torque Rod, Adjustable; 18
¹⁄₂
"-21
³⁄₈
"Lg
2 M109102, W260-150 Use 321-147 Bushings, Not Included
22
345-784
Torque Rod, Rigid; 16
¹⁄₂
"Lg c/c
2 M209465, 55139M Use 345-695
345-785
Torque Rod, Rigid; 16
³⁄₄
"Lg c/c
2 M209467, 55139P Use 345-695
345-728
Torque Rod, Rigid; 17
¹⁄₂
"Lg c/c
2 M209475, 55139,
55139L
Use 345-695
345-786
Torque Rod, Rigid; 17
³⁄₄
"Lg c/c
2 M209477, 55139H Use 345-695
✔✔
23
334-253
Assembly, Bolt & Bushing
8
Incl. 334-644 Bolt, 321-147 Bushings &
Hdwe.
✔✔ ●
24
321-147
Bushing; 1"ID x 1
³⁄₄
"OD x 2
¹¹⁄₁₆
"Lg
16 L1132, 5532
321-147U
Bushing, Urethane
16
25
334-644
Bolt; 1"-14 x 6
³⁄₄
"Lg
8
OE Used Coarse Thread
✔
26
334-205
Washer, Compression; 1
¹⁄₁₆
"ID x 2
³⁄₄
"OD x
¹⁄₄
"Thk 8 H231, 5534
27
339-155
Kit, Maintenance; Model 55; New Style
1 H75710
Incl. (8)334-253, (2)334-1061 &
(2)334-1066
339-156
Kit, Maintenance; Model 55; Old Style
1 H87550
Obsolete
28
Spring Assembly
Assembly, Spring
4
See Leaf Spring Web Catalog for Details