721
Reference
www.daytonparts.comfor continuing updates.
Parts Listing
SP
Special Order
◆
Not Serviced by Dayton Parts Product Illustration/Photo Follows Popular
Most Popular
Neway
Neway
TS/US/USR
Single Point
Trailer Suspensions
Key
No.
Part
Number
Description
No.
Req.
OEM
Reference
Remarks
●
1
338-422
Bracket, Trunnion Shaft; 2
¹⁄₂
" Height
2 910 01 054
Standard; All 4" Trunnion Shafts
✔ ●
338-497
Bracket, Trunnion Shaft; 4
¹⁄₂
" Height
2 910 01 055
✔ ●
338-421
Bracket, Trunnion Shaft; 6
¹⁄₂
" Height
2 910 01 056
●
338-425
Bracket, Trunnion Shaft; 8
¹⁄₂
" Height
2 910 01 058
2
334-382
Shaft; 4"OD x 48"Lg x
¹⁄₂
"Thk Wall
1 910 38 003,
910 38 004
✔
334-383
Shaft, 4"OD x 48"Lg x
³⁄₄
"Thk Wall
1 910 38 130
3
334-798
Assembly, Bolt;
³⁄₄
"-16 x 4"Lg
4 9418882
Incl. Bolt & Hdwe.
✔✔
4
325-137
Bushing; 4"ID x 5"OD x 8
³⁄₄
"Lg
2 910 08 022
Rubber
●
325-137U
Bushing, Urethane; 4"ID x 5"OD x 8
³⁄₄
"Lg
2
325-206
Bushing
2 910 08 036
TS660/A, TS680/A & TS6100/A
325-220
Bushing
2 900 08 043,
900 08 004
TSF Models; 2-Pc. Bushing Assy.
●
339-257
Kit, Service; Trunnion Connection
2 481 00 147, SRK-52-1 TSF Models; Incl. Bushing Assy. & Thrust
Washers
✔✔ ●
5
338-1351
Cap, Trunnion
2 910 10 047
4" Trunnion Shafts
✔✔ ●
6
338-1350
Seat, Trunnion
2 910 01 051
4" Trunnion Shafts
✔ ●
7
338-1352
Saddle, U-Bolt; Square
2 910 01 021
✔ ●
338-1353
Saddle, U-Bolt; Round
2 910 01 022
TS550, TS560, TS5500 & TS5600
8
361-560
Kit, U-Bolt; Square Bend, Grade 8
4 900 42 796,
900 41 690
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 11" S
✔✔
361-561
Kit, U-Bolt; Square Bend, Grade 8
4 900 41 696
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 11
¹⁄₂
" S
361-563
Kit, U-Bolt; Square Bend, Grade 8
4 900 41 698
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 12" S
✔✔
361-236
Kit, U-Bolt; Square Bend, Grade 8
4 900 41 700,
900 41 698
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 12
¹⁄₂
" S
✔
361-238
Kit, U-Bolt; Square Bend, Grade 8
4 900 41 706
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 14
¹⁄₂
" S
✔
361-601
Kit, U-Bolt; Round Bend, Grade 8
4 900 41 474
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 13" R
✔✔
361-565
Kit, U-Bolt; Round Bend, Grade 8
4 900 41 478
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 14" R
✔✔
361-234
Kit, U-Bolt; Round Bend, Grade 8
4 900 41 482,
900 41 484
1
¹⁄₈
" x 5
¹¹⁄₁₆
" x 15
¹⁄₂
" R
✔✔ ●
9
338-1363
Seat; 5" Round Axle
4 910 01 044
●
338-1556
Seat; 5" Square Axle
4 915 01 063
Use w/338-876
✔✔ ●
10
338-876
Pad, Seat Repair; Fabricated
4 910 01 049
✔ ●
338-1818
Pad, Seat Repair; Cast
4 910 01 049
✔✔ ●
11
338-1348
Cap, Spring End; 2 Main Spring
4 910 10 043
✔✔ ●
338-1349
Cap, Spring End; 3 Main Spring
4 910 10 038
●
12
325-139
Pad; 4
⁵⁄₈
"W x 5
¹⁄₈
"Lg x
⁵⁄₈
"Thk
4 910 28 013
Use 325-238
✔ ●
325-139U
Pad, Urethane
4
✔✔ ●
325-142
Pad; 4
⁵⁄₈
"W x 5
¹⁄₄
"Lg x
¹³⁄₁₆
"Thk
4 910 28 089
✔ ●
325-142U
Pad, Urethane; 4
⁵⁄₈
"W x 5
¹⁄₄
"Lg x
¹³⁄₁₆
"Thk
4
●
325-207
Pad, Rubber; 4
⁵⁄₈
"W x 7
¹⁄₂
"Lg x 11 /16"Thk
4 910 28 057
TS660/A, 680/A & 6100/A
✔ ●
325-238
Pad, Rubber; 4
⁵⁄₈
"W x 6
¹⁄₂
"Lg x
⁵⁄₈
"Thk w/Groove 4 910 28 152
TS; Rubber; Heavy Duty
●
13
338-1397
Pad, End; Fabricated
4 910 01 038
Use 338-1557
✔✔ ●
338-1557
Pad, End; Heavy Duty
4 910 01 038
●
14
334-1111
Plate, Spacer; 1
¹¹⁄₁₆
" x 9
¹⁄₂
" X
⁵⁄₃₂
"Thk
8 910 31 570
SP
Plate, Spacer; 3 Holes
8 910 31 571
✔ ●
15
338-1354
Cap, Spring End; 5" Round Axle
4 910 01 033
For (3) Main Springs
●
338-1355
Cap, Spring End; 5" Round Axles
4 910 10 041
For (2) Main Springs
SP
Cap, Axle Seat/End; 5" Square Axles
4 910 01 188
✔✔
16
361-240
Kit, U-Bolt; Round Bend, Grade 8
8 900 41 067
⁵⁄₈
" x 5
¹⁄₈
" x 8
¹⁄₈
" R
361-244
Kit, U-Bolt; Square Bend, Grade 8
8 900 42 544
⁵⁄₈
" x 5
¹⁄₈
" x 9
³⁄₈
" S
✔✔
361-246
Kit, U-Bolt; Round Bend, Grade 8
8 900 41 324
1" x 5
¹⁄₈
" x 10
⁷⁄₈
" R
✔
361-516
Kit, U-Bolt; Round Bend, Grade 8
8 900 41 354
1" x 5
¹⁄₈
" x 12
⁷⁄₈
" R
✔
17
334-1103
Assembly, Bolt;
³⁄₄
"-10 x 3"Lg
16 930 03 585
Incl. Bolt & Hdwe.
✔
334-1104
Assembly, Bolt,
⁵⁄₈
"-18 x 2
¹⁄₂
"Lg
16 930 03 359
Incl. Bolt & Hdwe.
18
339-207
Kit, Service; Axle Connection; 5" Round
2 481 00 042, SRK-25 (1) Axle; Incl. 338-1818
339-249
Kit, Service; Axle Connection; 5" Round
2 481 00 020, SRK-23 (1) Axle; Wear Pad Not Included
19
Spring Assembly
Assembly, Spring
2
See Leaf Spring Web Catalog for Details