Peterbilt Air Trac
Drive Axle Suspension Parts


Peterbilt Air Leaf Suspension Exploded View
Key
No.		 Part
Number		 Description No.
Req.		 OEM
Number		 Remarks
1 338-1240 Hanger 2 01-44406
01-48280-M002 		Pre 07/93, Replaced by PE6G
PE6G Hanger 2 01-48280-M004 Latest Design, Includes Wear Pad
2 PE10I Wear Pad Assembly 2 03-07296  
3 334-1194 Hanger Spacer Assembly
5/8"-13 x 7-1/2" Bolt 		2   Includes Bolt, Roller, and Hardware
4 334-1195 Roller 2 03-04623  
5 TMR517 Torque Rod, Rigid, 17.34" Long, 0°/10° 2 03-04119, 924170 with 5/8" Mounting Hardware at Axle Bracket
345-211 Torque Rod, Rigid, 17.34" Long, 0°/10° 2 03-04327, 924175 with 3/4" Mounting Hardware at Axle Bracket
6 321-132 Bushing, Straddlemount
2-3/4" OD x 4-3/8" C to C 		4 227720 5/8" Bolt Holes
321-265 Bushing, Straddlemount
2-3/4" OD x 4-3/8" C to C 		4 227723 3/4" Bolt Holes
7 535-TS43442 Shim
1/16" Thick, 4-3/8" C to C 		4 03-02726-001  
8 334-764 Bolt Assembly
5/8"-18 x 7" Long 		4   Includes Bolt and Hardware
9 N/A Stud 4 03-01767 Can use 334-1188
334-1433 Flange Bolt
3/4"-10 x 2-1/4" Long 		4 27-00286-009  
334-1188 Flange Bolt
5/8"-11 x 2-1/4" Long 		4 27-00702-009  
10 338-811 Air Spring Paddle, LH 1 03-06747L, 03-02559L Cast Iron, Through 1999
PD003 Air Spring Paddle, LH 1 03-08163L Steel, 2000+
N/A Air Spring Paddle, LH 1 03-07346L Aluminum
338-812 Air Spring Paddle, RH 1 03-06747R, 03-02559R Cast Iron, Through 1999
PD004 Air Spring Paddle, RH 1 03-08163R Steel, 2000+
N/A Air Spring Paddle, RH 1 03-07346R Aluminum
11 N/A Camber Spacer   03-02730-002  
12 N/A Spacer
4" Wide x 9" Long x 1/8" Thick 		  03-04106  
13 338-718 U-Bolt Saddle, Iron 2 03-01656 OE is Aluminum
14 361-167 U-Bolt Kit
1" x 4" 15-7/8" Peterbilt Semi-Round 		4 03-3134-151 Includes U-Bolt and Hardware
15 85311 Shock Absorber 2 03-07421  
85033 Shock Absorber 2 03-07423  
Various Shock Absorber 2   Cross Reference Number on Shock Absorber
16 E-7529 Shock Absorber Bushing, 1" 8   Polyurethane
17 9069 Air Spring 2 03-04759  
18 334-823 Stud Assembly
1/2"-20/13 x 5" Long 		2 03-02425, 27-00173 Includes Stud, lockwasher, and nut
19 345-210 Torque Rod, 22.875" Long C to C, 0°/0° 2 03-04059  
345-241 Torque Rod, 22.810" Long C to C, 0°/0° 2 03-04251  
20 321-131 Bushing, Rubber
2-17/32" OD x 4-3/8" C to C 		4   5/8" Bolt Holes
321-131U Bushing, Polyurethane
2-17/32" OD x 4-3/8" C to C 		4    
21 338-779 Torque Rod Frame Bracket 2 33783 3/4" Bolt Holes
22 Various Height Control Valve 1    
23 Various Linkage Assembly 1    
24 SCB-260 Center Bolt
3/4"-16 x 4-1/4" Long 		2 03-02583 Special Head
25 75125 Spring Assembly 1 03-02432  
1 2
1 2