Hendrickson Primaax EX 232/462/692, 262/522/782
Firemaax EX 242/482, 272/542
Air Suspension Parts


Help Identify My Primaax or Firemaax Suspension

Various Hendrickson Primax EX & Firemaax EX Air Suspension Breakdown
Key
No.
Part
Number
Description No.
Req.
OEM
Number
Remarks
1 338-2237 Hanger 2 67706 8.5" - 10.5" Ride Height
  Hanger 2 67222 10" Ride Height, Mack & Volvo
  Hanger, LH 1 67299-1 12.5", 14.4", 15.5" Ride Height/ IH & Cat EX232, 13" Ride Height/ KW EX232/262T
  Hanger, RH 1 67299-2 12.5", 14.4", 15.5" Ride Height/ IH & Cat EX232, 13" Ride Height/ KW EX232/262T
2 334-1698 Pivot Bushing Service Kit 2 60632-20, 60632-8 Includes Collars, (1) Axle
334-1698 Pivot Bushing Service Kit 2 60691-720 Includes Collars, (1) Beam End, 1-1/4" Bolt
3 MHS237 Alignment Service Kit 2 60632-19, 60632-6 1" Bolt, Includes Collars
  Alignment Service Kit, Severe Service 1 60632-15 1-1/4" Bolt
4 334-1712 Bolt Assembly
1"-8 x 7-1/2" Long
2 60632-18, 60632-5  
5   Bracket, Top Cap 2    
6 361-627 U-Bolt Kit 4   3/4" x 9" Long
361-661 U-Bolt Kit 4   3/4" x 10" Long
361-662 U-Bolt Kit 4   3/4" x 11" Long
361-663 U-Bolt Kit 4   3/4" x 12" Long
7   Bracket, Bottom Cap 2    
8   Axle Spacer 2    
9   Beam 2   Must order U-Beam Assembly
10   Cross Tube 1   Must order U-Beam Assembly
11   U-Beam Assembly 1 67249-xxx  
12 TRB5031 Pivot Bushing 2 58648 Use with MHS237, Key 3
321-523 Pivot Bushing 4 70425-1  
13 321-388 D-Pin Bushing 2 60383 Use w/ 3/4" Bolts
321-512 D-Pin Bushing 2 65381 Use w/ 7/8" Bolts
14 334-626 Bolt Assy
3/4"-10 x 5" Long
4 21867-36  
334-1117 Bolt Assy
3/4"-16 x 5-1/2" Long
4 21777-26  
334-1701 Bolt Assy
7/8"-14 x 5-1/2" Long
4 30418-9  
  Bolt Assy
7/8"-14 x 5" Long
4 30418-11  
15 280-9865 Air Spring 2 67043-2 Primaax 8.5"-10.5" Ride Ht; KW EX232, 10" Ride Ht
67392-002 Air Spring 2 67392-2 Firemaax 8.5"-10.5" Ride Ht
67234-002 Air Spring 2 67234-2 IH EX232, 9"-10.5" Ride Ht
67247-002 Air Spring 2 67247-2 Primaax EX262, 8.5"-10.5" Ride Ht; KW EX262, 10" Ride Ht/ EX262S, 8.5" & 10" Ride Ht
68056-002 Air Spring 2 68056-2 Firemaax EX272, 8.5"-10.5" Ride Ht; IH Primaax EX262, 9" Ride Ht; CAT 262S
67391-002 Air Spring 2 67391-2 Primaax, 12.5", 14.4", 15.5" Ride Ht; KW EX232T
67044-002 Air Spring 2 67044-2 KW EX262; 15.5" Ride Ht
67923-002 Air Spring 2 67923-2 IH & CAP EX232T; 13" Ride Ht
  Air Spring 2 68070-2 Caterpillar & IH
16   Upper Air Spring Bracket 2 65031-3 14.4" Ride Height
  Upper Air Spring Bracket 2 65031-4 15.5" Ride Height
17   Lower Air Spring Bracket 2 60911-2  
18   Air Spring Gusset 1 59479-3 (a) If equipped
  Air Spring Gusset 1 59479-4 (b) If equipped
19   Torque Rod Fastener Kit 2 49176-32 5/8" x 8", One Rod
  Torque Rod Fastener Kit 2   5/8" x 8", 3/4" x 6", One Rod
20 TS43442 Shim, 1/16" Thick, 4-3/8" C/C   49689  
21   Torque Rod Assy 2    
22   Track Rod 1 72000-xxxS Ultra-Rod Plus, Specify Length, 321-500 Bushing
  Track Rod 1 62250-xxx Indiana Phoenix/Terex Advance, Specify Length, 321-223 & 321-361 Bushings
  Track Rod 1 62000-620 Oshkosh; 321-223 Bushing
  Track Rod 1 67428-565 KW EX262, 10" Ride Height
  Track Rod 1 72000-560C KW EX262; 10" Ride Height; 262S 8.5" & 10"; 232/262T 15.5"; 321-500 Bushing
  Track Rod 1 62011-xxxN IH EX232T, 13" Ride Height; Specify Length, 321-223 Bushing
23 321-500 Bushing, 4-3/8" C/C x 5/8" Bolts   64400-2  
321-223 Bushing, 4-3/8" C/C x 5/8" Bolts   47691  
321-361 Bushing, Taper Pin   64809  
321-366 Bushing, 4-3/8" C/C x 3/4" Bolts   69210 EX262/272 Axle End
24 338-181 Track Rod Frame Bracket 1 22186 For 5/8" Bolts
25   Frame Mounted Axle Stop 1 60593-1 (a) EX232; 8.5" Ride Height
  Frame Mounted Axle Stop 1 60593 (a) Except EX232; 8.5" Ride Height
  Frame Mounted Axle Stop 1 64692-xxx (b), (c); Specify Fore/Aft Axle & Make; 12.5", 14.4" & 15.5" Ride Height
  Frame Mounted Axle Stop 1 65570-1 (c) IH & CAT 232EX; 13" Ride Height
  Frame Mounted Axle Stop 1 69580, 69581 (d) KW EX232/262T; 15.5" Ride Height
26 341-60657-4 Shock Absorber 2 60657-4  
  Shock Absorber 2 60665-13, 60665-15 EX262 Specify Drum or Disc Brake
341-60657-3 Shock Absorber 2 60657-3 KW EX232 10" Ride Ht; Except Triaxle; IH 9" & 10.5"
341-60657-5 Shock Absorber 6 60657-5 KW EX232 10" Ride Ht; Triaxle
M65504 Shock Absorber 4 60657-7 Mack EX232/462/692
27   Upper Shock Frame Bracket 2 67463-2 Cast
  Upper Shock Frame Bracket 2 59423-1 Stamped
  Upper Shock Frame Bracket 2 67463-6 Mack/Volvo
28   Shock Fastener Service Kit 2 50754-30 Primaax EX232 & Firemaax EX242; 4.25/6
  Shock Fastener Service Kit 2 50754-29 Primaax EX262/262S & Firemaax EX272; 4.25/7
  Shock Fastener Service Kit 2 50754-12 KW EX232/262T; 15.5" Ride Ht 3.75/6
29 171H218OE Height Control w/Dump 1 57977  
30 4810025 Linkage Assy 1   3-5/8" - 19-5/8" Range
31   HCV Linkage Bracket 1 60921  
32 334-1701 Bolt Assembly
7/8"-14 x 5-1/2" Long
2 58821-12 Torque Rod Bolt Assy, Axle End IH
33   Torque Rod Spacer 4 67045-xxx IH 232EX; 9", 10.5"; Specify Spacer Thickness
34   S-Cam Bracket 4 64508-xxx Check part number on component
35   S-Cam U-Bolt 4 64202