AIRTEK ® with STEERTEK ™ Axle – Blue Bird Buses
FRONT SUSPENSIONS
VEHICLE
VEHICLE
KEY NO. PART NO.
DESCRIPTION
QTY.
KEY NO. PART NO.
DESCRIPTION
QTY.
STEERTEK NXT Axle Assembly, Replaces
1
Air Spring
2
94987-XXX
1
a b
64075-002L 66865-002L
10K
STEERTEK Axle 60952-XXX, See Page 108 for included parts • Vehicles built after January 2025, see Selection Guide on Page 110 • Vehicles built between October 2012 and January 2025, see Selection Guide on Page 111 1 No longer available, see Replacement Guide on Page 114 ******Axle & Kingpin Assembly Left Hand Lower Steering Knuckle Assembly 1
13.2K • 14.6K
2
Air Spring Bracket
2
a b
60850-001 66807-002
10K
13.2K • 14.6K, Replaces 66807-001
3 4 5 6 7 8 9
**½" Hardened Washer
2 2 2 2 2 2 2 1
**½"-13 UNC Nylon Locknut **¾" Hardened Washer **¾"-16 UNF Nylon Locknut
37
64905-XXX
**Hardened Washer
38
**Wide Hardened Washer **½"-13 UNC Nylon Locknut
Includes Key Nos. 37, 41
58900-035 58900-033 58900-031 58900-055 58900-053 58900-051 58900-036 58900-034 58900-032 58900-056 58900-054 58900-052
150 Ackermann Air Brake, Includes Key No. 43 200 Ackermann Air Brake, Includes Key No. 43 250 Ackermann Air Brake, Includes Key No. 43
59427-008
Height Control Valve, Link Mount and
Linkage Assembly 10K, Includes Key Nos. 10a, 11a,12-18
150 Ackermann Hydraulic Brake 200 Ackermann Hydraulic Brake 250 Ackermann Hydraulic Brake
59013-000
*****Height Control Valve Assembly
2
13.2K • 14.6K, Includes Key Nos.10b, 17-18
66825-001
Height Control Valve Linkage Assembly
2
39
Right Hand Lower Steering Knuckle Assembly
1
13.2K • 14.6K, Includes Key Nos.11b, 13-16
Includes Key Nos. 37, 41
10
Height Control Valve
150 Ackermann Air Brake, Includes Key No. 43 200 Ackermann Air Brake, Includes Key No. 43 250 Ackermann Air Brake, Includes Key No. 43
a b
59935-004 60501-000
10K
1 2
13.2K•14.6K
11
Linkage Assembly
150 Ackermann Hydraulic Brake 200 Ackermann Hydraulic Brake 250 Ackermann Hydraulic Brake
a b
59428-001 59428-005 59169-000 59169-003 17491-011 22962-029 59016-000 22962-028 49983-000
10K
1 2 1 1 2 2 2 2 2 2
13.2K•14.6K
12 13 14 15 16 17 18 19
* 5 ⁄ 16 "-18 UNC Stud - 2.07" * 5 ⁄ 16 "-18 UNC Stud - 2.44" 16 "-18 UNC Hex Nut * 5 ⁄ 16 " Hardened Washer * 5 ⁄ * 5 ⁄ 16 "-18 UNC Locknut *¼" Hardened Washer
40
Left Hand Upper Steering Knuckle Assembly
1
Includes Key Nos. 37, 41
60903-016 60903-058 60903-055 60904-002
10K
13.2K 14.6K
41
Right Hand Upper Steering Knuckle Assembly Includes Key Nos. 37, 41 Kingpin Bushing and Bearing Service Kits Axle Set, Includes Kit Nos. 60961-009 & -039
1
*¼"-20 UNC Locknut
Shock Absorber
a b
58913-009L 58913-011L
10K, , Replaces 58913-008
60961-040 60961-009
Left Hand with Composite Thrust Bearing, Includes Key Nos. 35-38, 40-42, Loctite Right Hand with Roller Thrust Bearing, Includes Key Nos. 35-37, 39-42, Loctite
13.2K•14.6K
20
Shock Bracket
2
a b
59423-002 67463-002
10K
60961-039
13.2K•14.6K, Replaces 65000-002
21 22 23 24 25
**¾"-10 UNC Upper Shock Bolt **¾"-10 UNC Lower Shock Bolt **¾" Hardened Washer **¾"-10 UNC Hex Locknut
2 2 8 4 2
42 43 44
59156-000 58937-000 58909-000
Grease Cap Assembly
4 4 4
Retaining Ring Kingpin Bushing
Thrust Bearing Service Kits
Axle Set, Includes Kit Nos. 60961-632 & -633 Left Hand Composite Thrust Bearing, Includes Key Nos. 38, 40-42, Loctite Right Hand Roller Thrust Bearing, Includes Key Nos. 39-42, Loctite
Shock Spacer
60961-043 60961-041
a b
59946-001 59946-006 64488-002
10K - 0.9" Thick
13.2K•14.6K - 0.5" Thick
26 27 28 29
Front Hanger, Replaces 64488-000
2 2 4 2
60961-042
**M20 x 170 mm Hex Bolt **M20 Hardened Washer
45 46 47
59828-000 64256-000L
Left Hand Composite Thrust Bearing Right Hand Roller Thrust Bearing
1 1
**M20 Locknut
Leaf Spring Assembly Service Kit,Axle Set, Includes Key Nos. 30a, 31a, 32
60961-163
Kingpin Shim
As Req.
60259-001X 60259-002 58910-001 60236-001
0.005" Thickness (Pack of 4)
30
Leaf Spring Assembly
2
0.047" Thickness
a
53487-000
For vehicles built after 11/06, Replaces 66805-001 For vehicles built prior to 11/06
48 49
Kingpin Seal, Replaces 58910-000 5 ⁄ 8 "-11 UNC Socket Head Cap Screw Loctite (Red) Compound Tube
4 4 1 2
b
60512-000 60961-643
Not Shown 60937-000
Rear Shackle Service Kit,Axle Set, Includes Key Nos. 31a, 32
50 51
64246-000
ABS Sensor Sleeve
Tie Rod Assembly, 10K, 5.36" Drop, 1 Includes Key Nos. 52-54, See Selection Guide on Page 115 Tie Rod End Service Kits, See Selection Guide on Page 115 Axle Set, Includes Left Hand and Right Hand Kits
31
Rear Shackle Bracket w/Bushing For vehicles built after 11/06 For vehicles built prior to 11/06
2
a b
66510-001 64316-000 64314-000 64159-000
32 33
Rear Shackle Plate
4 4
Thrust Washer
Left Hand, Includes Key Nos. 52, 54-56 Right Hand, Includes Key Nos. 53-56
10K, Only for vehicles built prior to 11/06
34 35 36
**M20 x 150 mm Hex Bolt **M20 Hardened Washer
4 8 4
**M20 Locknut
17
Reference Lit. No. SP-172 | 1-866-755-5968
For all ( * ) see Notes on Page 111
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