Air Trac

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
1	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	345-196	Torque Rod, Rigid, 17.34" Long, 0°/10°	2	03-04119, 924170	with 5/8" Mounting Hardware at Axle Bracket
5	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
6	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
	338-2382	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
	338-2383	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
19	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
20	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

21 Items

Dayton Parts 334-1194 Poly Spring Roller Kit for Peterbilt Air Trac Rear Suspension — Dayton Parts 334-1194 Poly Spring Roller Kit for Peterbilt Air Trac Rear Suspension Part Number: 797-3341194 $40.95 Not Yet Rated

Atro TR75-41327 Torque Rod, 17-5/16" C to C, Replaces Peterbilt 03-04327, 924175, C65-6016-000010440 — Atro TR75-41327 Torque Rod, 17-5/16" C to C, Replaces Peterbilt 03-04327, 924175, C65-6016-000010440 Part Number: 049-TR7541327 $254.59 Not Yet Rated

Dayton Parts 321-132 Straddlemount Torque Rod Bushing, 2-3/4" OD, 4-3/8" C to C, 5/8" Bolt Holes — Dayton Parts 321-132 Straddlemount Torque Rod Bushing, 2-3/4" OD, 4-3/8" C to C, 5/8" Bolt Holes Part Number: 797-321132 $47.04 Not Yet Rated

Dayton Parts 338-718 U-Bolt Saddle, Petebilt Air Leaf, OEM# 03-01656 — Dayton Parts 338-718 U-Bolt Saddle, Petebilt Air Leaf, OEM# 03-01656 Part Number: 797-338718 $37.23 Not Yet Rated

PTP 361167PTP U-Bolt Kit, 1" x 4" x 15-3/4" Pete Semi-Round Bend, Petebilt Air Leaf — PTP 361167PTP U-Bolt Kit, 1" x 4" x 15-3/4" Pete Semi-Round Bend, Petebilt Air Leaf Part Number: 797-361167 $47.58 Not Yet Rated

Meritor M85033 Shock Absorber — Meritor M85033 Shock Absorber Part Number: 320-85033 $84.68 Not Yet Rated

Euclid GAFF18566 1" ID Polyurethane Shock Absorber Bushing, Requires 2 bushings per end — Euclid GAFF18566 1" ID Polyurethane Shock Absorber Bushing, Requires 2 bushings per end Part Number: 270-GAFF18566 $10.56 Not Yet Rated

Spring Pro 889069 Air Bag, Replaces Peterbilt 03-01649, 03-02456, and 03-04759 — Spring Pro 889069 Air Bag, Replaces Peterbilt 03-01649, 03-02456, and 03-04759 Part Number: 280-9069 $112.58

1

Ratings Snapshot

5

out of 5

Would recommend this product.

Euclid E-7868 Air Spring Stud Assembly, Peterbilt Air Leaf & Air Trac, OEM# 03-02425 — Euclid E-7868 Air Spring Stud Assembly, Peterbilt Air Leaf & Air Trac, OEM# 03-02425 Part Number: 270-E7868 $9.30 Not Yet Rated

Atro TR75-41059 Peterbilt Torque Rod, Polyurethane Bushings, 22-7/8" C to C — Atro TR75-41059 Peterbilt Torque Rod, Polyurethane Bushings, 22-7/8" C to C Part Number: 049-TR7541059 $240.95 Not Yet Rated

Dayton Parts 321-131 Torque Rod Bushing, 2-17/32" OD, 4-3/8" C to C — Dayton Parts 321-131 Torque Rod Bushing, 2-17/32" OD, 4-3/8" C to C Part Number: 797-321131 $44.65 Not Yet Rated

Atro TS34000 Torque Rod Bushing, Polyurethane, 4-3/8" Hole Spacing, 5/8" Holes — Atro TS34000 Torque Rod Bushing, Polyurethane, 4-3/8" Hole Spacing, 5/8" Holes Part Number: 049-TS34000 $87.73 Not Yet Rated