Truck Components Online
  •  HOME   •  About Us   •  Contact Us   •  Line Sheet   •  U-Bolt Order Form   •  Hotsy Quote Request   •  Blog   •  My Account
  » BRAKE & WHEEL
  » CLUTCHES
  » DRIVELINE
  » ENGINE
  » FASTENERS
  » HITCH AND COUPLING
  » SPRINGS
  » STEERING
  » SUSPENSION
  » TOOLS
  » TRAILER
  » TRANSMISSION
  » VEHICLE ACCESSORIES
  » HOTSY
  » AUTOMANN
  » DAYTON PARTS
  » GAUMERS
  » HELLWIG
  » ROADMASTER
  » TRISEAL
  » TUFF COUNTRY
  » 0 - 24.99
  » 25 - 49.99
  » 50 - 99.99
  » Over $100
Super Duty Coil Spring 350-1207SD
350-1207SD Super Duty Coil Spring 350-1207SD
Super Duty Coil Spring 351-860SD
351-860SD Super Duty Coil Spring 351-860SD
Super Duty Coil Spring 350-7226SD
350-7226SD Super Duty Coil Spring 350-7226SD
Used Equipment for sale
Used Equipment for sale


This site protected by Trustwave's Trusted Commerce program
Home > SUSPENSION > MEDIUM/HEAVY DUTY TRUCKS, TRAILERS & FIRE SUSPENSIONS > MACK  > ST34 TAPER LEAF SPRING REAR
 

ST34 TAPER LEAF SPRING REAR

 

Mack - ST34 Taper Leaf Spring Rear Suspension

 
ST34 TAPER LEAF SCHEMATIC
 
 

Mack - ST34 Taper Leaf Spring Rear Suspension

 
 
 

Key

Part
Number

Description

No.
Req.

OEM
Reference

1

338-1784

Seat Trunnion

2

39QK432A

1

338-1783

Seat Trunnion

2

39QK430A

2

338-710

Trunnion; Clamp Half

2

39QK431

2

338-712

Trunnion; Clamp Half

2

39QK37C

3

338-1786

Saddle Trunnion

2

39QK434

4

325-118

Bushing, 8 3/4" Trunnion; 3 1/2"ID x 4 7/16"OD x 6 5/16"Lg.

2

10QK219P3

4

325-120

Bushing, Urethane; 8 3/4" Trunnion

2

10QK276

4

325-120U

Bushing, Urethane; 8 3/4" Trunnion

2

—

4

325-117

Bushing, 8 3/16" Trunnion; 3 1/2"ID x 4 7/16"OD x 5 9/16"Lg.

2

10QK219P,P1

4

325-117U

Bushing, Urethane 8 3/16" Trunnion

2

—

5

334-480

Spacer, Inner; 3 1/2"ID x 4 1/8"OD x 7/16"Thk.

2

44RU2223P2

5

334-1178

Spacer, Inner; 3 1/2"ID x 4 1/8"OD x 1/2"Thk.

2

44RU2223P1

5

334-481

Spacer, Inner; 3 1/2"ID x 4 7/8"OD x 3/8"Thk.

2

44RU2224

6

334-479

Spacer, Outer; 3 1/2"ID x 4 1/8"OD x 1 3/4"

2

44RU2221P2

6

334-1179

Spacer, Outer; 3 1/2"ID x 4 1/8"OD x 2 1/4"

2

44RU221P1

7

334-579

Bolt Assembly; 3/4"-16 x 5 1/2"Lg.

2

3AX1525

8

338-1600

Plate, Lower U-Bolt Clamp

—

8QK44

9

361-212


U-Bolt Kit; Special Bend, Grade 8

1-1/8X4X13MR

4

7QK3164

10

334-1212

Bolt Assembly, 1 1/8"-12 x 13 1/4"Lg.

2

3AX1894PL

11

SUW-118

U-Bolt Washer; 1 1/8"

4

—

12

DN-118

Deep Nut; 1 1/8"-12, Grade C

2

21AX781

13

RB-84

Bushing; 1 1/4"ID x 2 1/2"OD x 4"Lg.

4

10QK146

13

RB-187

Bushing; 1"ID x 2 1/2"OD x 4"Lg.

4

10QK260

13

RB-174

Bushing; 1"ID x 2 1/2"OD x 4"Lg.

4

—

14

334-718

Service Kit, Alignment; 1 3/8" Dia. Eccentric

4

—

15

334-553

Collar, Eccentric; 1 3/8" Dia Lobe

8

8QD262

15

334-1604

Collar, Eccentric Alignment; 1 1/4" Dia Lobe

—

8QD261

16

334-1396

Bolt; 7/8"-14 x 7 1/2"Lg.

4

3AX1050

16

327-477

Bolt; 1"-14 x 7 3/4"Lg.

4

3AX1993

16

327-319

Bolt, 1 1/4"-12 x 7"Lg.

4

3AX1682

17

SLN-107

Lock Nut; 1"-14

4

—

17

334-192

Nut, Lock; 1 1/4"-12

4

—

18

338-1787

Insulator Box; 5 7/8" Deep

4

52QK442P2, 52QK447P2

19

325-110

Insulator, Standard; 1 3/4" Dowel, 70 Durometer

4

10QK36B

20

338-729

Spacer; 3"W x 4"Lg. x 1 1/2"Thk.

8

13QK246

21

325-112

Insulator; 1 3/4" Dowel, 70 Durometer

4

10QK365A

22

Insulator Box Bolt, 7/8"-14 Thread

12

—

23

334-150

Washer, Hard Flat; 7/8"

12

—

24

SLN-106

Lock Nut; 7/8"-14

12

—

25

Insulator Box Cap Screw, 7/8"-9 Thread

4

—

26

Torque Rod, OEM Fixed Length

2

—

26

Torque Rod, Uni-Rod

2

—

26

Torque Rod, 2 Piece Ultra Rod Components

2

—

27

321-132

Bushing, Straddlemount; 2 3/4"OD x 4 3/8" C/L to C/L

4

1688-227720

27

321-132U

Bushing, Urethane

4

—

27

321-131

Bushing; 2 17/32"OD x 4 3/8" C/L to C/L

4

1688-227710

28

M74003

Shock Absorber

2

—

29

401754

Shock Bushing, 1"ID

8

—

30

—

Spring Assembly

—

—