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Reference
www.daytonparts.comfor continuing updates.
Parts Listing
SP
Special Order
◆
Not Serviced by Dayton Parts Product Illustration/Photo Follows Popular
Most Popular
Peterbilt
Four Spring
(Early Production)
Tandem Suspension
Peterbilt
Key
No.
Part
Number
Description
No.
Req.
OEM
Reference
Remarks
✔ ●
1
338-840
Hanger
4 01-42518
2
334-560
Assembly, Bolt; Rebound;
¹⁄₂
"-13 x 5"Lg
4
Incl. Bolt, 3
⁷⁄₁₆
"Lg Tube & Hdwe.
●
3
338-759
Hanger
2 01-26604
●
4
334-464
Shaft; 2
¹⁄₂
"OD x 48
¹⁄₂
"Lg, 2
¹⁄₄
"-12 Thread
1 1AAA79
✔ ●
5
338-717
Equalizer
2 03-03328
Use 322-119 Bushings & 334-558 Rebound Kit
338-1827
Assembly, Equalizer
2
Incl. 338-717 Equalizer, (2)322-119 Bushings &
Rebound Hdwe.
✔✔ ●
6
322-119
Bushing; 2
¹⁵⁄₃₂
"ID x 3
³⁄₃₂
"OD x 2
¹⁄₄
"Lg
4 03-02099
Urethane
✔
7
334-558
Assembly, Bolt; Rebound;
¹⁄₂
"-20 x 4
³⁄₄
"Lg
4
Incl. Bolt, 3
¹⁄₈
"Lg Tube & Hdwe.
8
334-1095
Washer; 2
⁹⁄₁₆
"ID x 4"OD x
¹⁄₄
"Thk
2 900 36 080
●
9
334-1432
Assembly, Cross Shaft Nut
2
Incl. Pinch Bolt, 334-502 & 334-551; Obsolete
●
10
334-502
Nut, Cross Shaft; 2
¹⁄₄
"-12 Thread
2 03-01758
Obsolete
11
334-551
Assembly, Bolt;
³⁄₈
"-24 x 2
³⁄₄
"Lg
2
Incl. 334-537 Bolt & Hdwe.
✔
12
345-186
Torque Rod, Rigid; 19
¹⁄₈
"Lg c/c, 10°/5°
4 03-01781
Tubular Design; Replaces Cast Aluminum Style;
Incl. (2)321-223 Bushings
✔✔ ●
13
321-223
Bushing; 2"OD x 4
³⁄₈
" c/c x
⁵⁄₈
" Bolts
8 47691
14
◆
Torque Rod, Rigid; Cast Aluminum
4 03-01764
Use 345-186
●
15
322-120
Bushing; 1
³⁄₈
"ID x 2
¹⁄₈
"OD x 2
⁹⁄₁₆
"Lg
8 03-01766
Cast Aluminum Torque Rod Only; Obsolete
●
16
334-1189
Pin, Torque Rod
8 03-01768
Cast Aluminum Torque Rod Only; Obsolete
✔✔ ●
17
334-526
Shim;
¹⁄₁₆
"Thk 4
³⁄₈
" c/c
AR 49689
18
334-764
Assembly, Bolt;
⁵⁄₈
"-18 x 7"Lg
4
Incl. Bolt & Hdwe.
19
334-1188
Bolt, Flange Head;
⁵⁄₈
"-11 x 2
¹⁄₄
"Lg
8 27-00702-009
Flanged Head
●
20
338-753
Bracket, Torque Rod Seat; LR-RR; 4°
2 03-02864M002
Rockwell SQHD; 4
¹⁄₄
" x 5"
●
338-754
Bracket, Torque Rod Seat; LF-RF; 4°
2 03-02865M002
Rockwell SQHD; 4
¹⁄₄
" x 5"
21
338-752
Clamp, U-Bolt; Axle
8 03-01765
Obsolete
22
See Chart
Wedge, Camber
AR
See Chart on Page 1091
●
23
334-470
Cap, U-Bolt
8 03-01766
Obsolete
●
24
338-1601
Plate, Saddle; U-Bolt
4 03-01769
Obsolete
✔✔
25
361-196
Kit, U-Bolt; Round Bend, Grade 8
8 03-3133-152
³⁄₄
" x 3" x 15
⁵⁄₈
" R
26
Spring Assembly
Assembly, Spring
4
See Leaf Spring Web Catalog for Details