Meritor MX-140/MX-160 Front Drive Steer Axle Parts Manual
MX -17/19/21 -140 and MX -21/23 -160
Item 50Item 93Item 91Item 94Item 92Item 90Item 86Item 88Item 84Item 27Item 88Item 83Item 89Item 85Item 24Item 87Item 22Item 20Item 17Item 26Item 25Item 23Item 20Item 21Item 15Item 13Item 19Item 18Item 16Item 17Item 14Item 10Item 12Item 75Item 70Item 72Item 71Item 76Item 77Item 52Item 69Item 51Item 48Item 78Item 49Item 50Item 74Item 80Item 53Item 66Item 47Item 71Item 73Item 46Item 63Item 65Item 72Item 42Item 82Item 95Item 45Item 61Item 59Item 44Item 64Item 62Item 37Item 34Item 60Item 58Item 43Item 35Item 57Item 32Item 36Item 30Item 33Item 31Item 38Item 55Item 56Item 54Item 39Item 40Item 41Item 42Item 28Item 1Item 29Item 2Item 3Item 6Item 5Item 7Item 8Item 67Item 81
Item 104Item 109Item 108Item 106Item 105Item 100Item 98Item 107Item 99Item 102Item 103Item 98Item 101Item 97Item 96Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | Wheel Nut | 10 | See Page 9; *9 + 1 CTI Wheel Nut (83); * (LH); For CTI Equipped Axles; * (RH) | Call for availability | ||
| 2 | 3219P5034 | Brake Drum | 2 | Stud Pilot, 13 .19” Bolt Circle | $1,544.44 | Add to Cart |
| 2 | 3219R5036 | Brake Drum | 2 | Stud Pilot, 1 1 .25” Bolt Circle | Call for availability | |
| 2 | 3219N5786 | Brake Drum | 2 | Hub Pilot, 335 m m Bolt Circle | $1,329.72 | Add to Cart |
| 2 | 3219A5799 | Brake Drum | 2 | Hub Pilot, 285 .75 m m Bolt Circle | Call for availability | |
| 3 | 1199N1860 | Grease Fitting | 2 | $117.00 | Add to Cart | |
| 4 | S266P2 | Capscrews Cover Plate | 8 | $15.20 | Add to Cart | |
| 5 | 1229K1597P | Washers Cover Plate | 8 | $172.00 | Add to Cart | |
| 6 | 3262L1052 | Cover Plate | 2 | Call for availability | ||
| 7 | 10X1594 | Capscrews Drive Flange | 16 | $69.40 | Add to Cart | |
| 8 | 1229U1503 | Washers Drive Flange | 16 | $113.00 | Add to Cart | |
| 9 | A3270V1036 | Drive Flange | 2 | Call for availability | ||
| 10 | 5X1050 | Felt Drive Flange | 2 | $187.60 | Add to Cart | |
| 10 | 1205N2146 | Retainer Drive Flange | 2 | $275.60 | Add to Cart | |
| 12 | 1227K1025 | Outer Adjusting Nut | 2 | $52.19 | Add to Cart | |
| 13 | 1229L2560 | Lock Washer | 2 | $92.72 | Superseded by R002560Add to Cart | |
| 14 | 1227D1018 | Inner Adjusting Nut | 2 | $45.70 | Add to Cart | |
| 15 | 52393 | Outer Bearing Cone | 2 | CTI Equipped Axles | $428.13 | Add to Cart |
| 16 | 52618 | Outer Bearing Cup | 2 | CTI Equipped Axles | $60.66 | Add to Cart |
| 17 | Hub Assembly | 2 | See Page 10; Contains 15 19 and 23; ,; (ABS Equipped) | Call for availability | ||
| 18 | Wheel Studs | 10 | See Page 9; *9 + 1 CTI Wheel Stud (84); * (LH); For CTI Equipped Axles; * (RH) | Call for availability | ||
| 19 | 52618 | Inner Bearing Cup | 2 | $60.66 | Add to Cart | |
| 20 | 52400 | Inner Bearing Cone | 2 | $162.89 | Add to Cart | |
| 21 | A1205P2434 | Grease Seal | 2 | Non CTI Equipped Axles | $60.61 | Add to Cart |
| 21 | A1205T2490 | Grease Seal | 2 | CTI Equipped Axles | $199.23 | Add to Cart |
| 22 | 1199T3166 | Oil Seal Sleeve Outer | 2 | DO NOT USE With CTI Equipped; Axles | $453.80 | Add to Cart |
| 23 | 3237V1062 | Abs Tone Ring | 2 | ABS Equipped Axles Only | $373.77 | Add to Cart |
| 24 | S21022A2 | Capscrews Brake Assembly | 24 | $8.10 | Add to Cart | |
| 25 | 1229W1557 | Washers Brake Assembly | 24 | $34.00 | Add to Cart | |
| 26 | QP616565 | Brake Assembly | 1 | See Figure 2 for individual; (LH); components | $1,610.48 | Add to Cart |
| 26 | QP616566 | Brake Assembly | 1 | (RH) | $1,467.18 | Add to Cart |
| 27 | Spindle Assembly | 1 | See Page 10; ABS Equipped Axles Contains 22; (LH); ,; 30 31 32; (RH); , ,; CTI Equipped Axles Contains 30; ,; 31 32 91; , , | Call for availability | ||
| 28 | A2237B1328 | Abs Sensor Assembly | 2 | ABS Equipped Axles Only | $76.54 | Add to Cart |
| 29 | 2237Q1005 | Abs Clip | 2 | ABS Equipped Axles Only | Call for availability | |
| 30 | 1225S1189 | Abs Bushing | 2 | ABS Equipped Axles Only | Call for availability |
Figure 1 (cont .)
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 31 | 1229U4623 | Thrust Washer | 2 | $50.08 | Add to Cart | |
| 32 | 3280S6649 | Oil Seal Sleeve Inner | 2 | $35.19 | Add to Cart | |
| 33 | A1205Z1534 | Grease Seal Axle Shaft | 2 | $33.17 | Add to Cart | |
| 34 | 3111U3323 | Steering Knuckle | 1 (LH) | (LH) | $3,200.57 | Add to Cart |
| 34 | 3111V3324 | Steering Knuckle | 1 (RH) | (RH) | $3,099.34 | Add to Cart |
| 34 | 3111P3318 | Steering Knuckle | 1 (LH) | With Power Assist; (LH) | $5,247.58 | Add to Cart |
| 34 | 3111Q3319 | Steering Knuckle | 1 (RH) | With Power Assist; (RH) | $3,297.00 | Add to Cart |
| 34 | 3111R3320 | Steering Knuckle | 1 (RH) | With Power Assist Ball Down; (RH) | Call for availability | |
| 35 | 26X243 | Steering Stop Adjusting Screw | 2 | $250.60 | Add to Cart | |
| 36 | N3121 | Steering Stop Adjusting Nut | 2 | $26.10 | Add to Cart | |
| 37 | 2237A1223 | Abs Bushing Rubber | 2 | ABS Equipped Axles Only | $50.54 | Add to Cart |
| 38 | A1228X1220 | Thrust Bearing | 2 | $410.63 | Add to Cart | |
| 39 | 3262G1255 | Lower Knuckle Cap | 2 | $804.51 | Add to Cart | |
| 40 | 1229V1556 | Washers Lower Knuckle Cap | 4 | $36.30 | Add to Cart | |
| 41 | S21218A2 | Capscrews Lower Knuckle Cap | 8 | $44.06 | Add to Cart | |
| 42 | 1199B3226 | Grease Fitting | 4 | $88.80 | Add to Cart | |
| 43 | 1205A1743 | Grease Seal Upper Cap/Steering Arm | 2 | $44.48 | Add to Cart | |
| 44 | 2803G2789 | Shim | 0 .003” Thickness | $91.90 | Add to Cart | |
| 44 | 2803H2790 | Shim | 0 .005” Thickness | $108.20 | Add to Cart | |
| 44 | 2803J2792 | Shim | 0 .010” Thickness | $106.60 | Add to Cart | |
| 45 | Steering Arm | 2 | See Page 11 | Call for availability | ||
| 46 | 1229M1625 | Washers Steering Arm | 8 | $41.80 | Add to Cart | |
| 47 | S21422A2 | Capscrews Steering Arm | 12 | $54.36 | Add to Cart | |
| 48 | NL2101 | Nut Air Brake Chamber | 4 | $91.80 | Add to Cart | |
| 49 | 1229U1503 | Washers Air Brake Chamber | 4 | $113.00 | Add to Cart | |
| 50 | 3299Y6681 | Chamber Bracket | 1 (LH) | (LH) | $189.87 | Add to Cart |
| 50 | 3299Z6682 | Chamber Bracket | 1 (RH) | (RH) | $169.22 | Add to Cart |
| 50 | 3299J6978 | Chamber Bracket | 1 (LH) | CTI Equipped Axles; (LH) | Call for availability | |
| 50 | 3299K6979 | Chamber Bracket | 1 (RH) | (RH) | Call for availability | |
| 51 | 1229U1503 | Washers Chamber Bracket | 8 | $113.00 | Add to Cart | |
| 52 | S21012A2 | Capscrews Chamber Bracket | 8 | Call for availability | ||
| 53 | V863276D30 | Air Brake Chamber (See Original Axle | 2 | Type 30 Chamber | $385.95 | Add to Cart |
| 53 | V993276X24 | Air Brake Chamber (See Original Axle Spec For Chamber Needed) | 2 | Type 24 Chamber | $338.83 | Add to Cart |
| 54 | A3144X1090 | Tie Rod End | 1 (LH) | Standard Track / Wide Track; (LH) | $197.32 | Add to Cart |
| 54 | A3144Y1091 | Tie Rod End | 1 (RH) | (RH) | $176.97 | Add to Cart |
| 55 | A3102D4424 | Cross Tube W/Clamps | 1 | Standard Track | Call for availability | |
| 55 | A3102S4439 | Cross Tube W/Clamps | 1 | Wide Track | Call for availability | |
| 56 | A13102D4424 | Tie Rod Assembly | 1 | Standard Track | Call for availability | |
| 56 | A13102S4439 | Tie Rod Assembly | 1 | Wide Track | Call for availability | |
| 57 | 3299E6713 | Camshaft Bracket | 2 | $38.26 | Add to Cart | |
| 58 | 1229W1505 | Washers Camshaft Bracket | 4 | $305.00 | Add to Cart | |
| 59 | S28102 | Capscrews Camshaft Bracket | 4 | 5 | $38.10 | Add to Cart |
| 60 | A3105V282 | Retainer Assembly | 2 | Call for availability | ||
| 61 | 10X1423 | Screws Self Tapping | 8 | $2.24 | Add to Cart | |
| 62 | 1229B1848 | Spacing Washer (Outer) | $144.00 | Add to Cart | ||
| 63 | A23275A1249S | Automatic Slack Adjuster | 2 | Call for availability | ||
| 64 | 1229J868 | Retainer | 2 | Call for availability | ||
| 65 | 1229X1116 | Camshaft Snap Ring | 2 | $143.00 | Add to Cart | |
| 66 | Axle Shaft Assembly | 2 | See Page 12 | Call for availability | ||
| 67 | A1205T2750 | Oil Seal Axle Shaft | 2 | Replaces A-1205-A-1535 | $55.06 | Add to Cart |
| 68 | 1229U4623 | Thrust Washer Axle | 2 | $50.08 | Add to Cart | |
| 69 | 1825X310 | Inner Axle Shaft Bushing | 2 | $140.04 | Add to Cart | |
| 70 | Housing Assembly | 1 | See Bill of Materials | Call for availability | ||
| 71 | 1250V1218 | Socket Plug | 4 | $8.12 | Add to Cart | |
| 72 | 1225U1191 | King Pin Bushing | 4 | $71.24 | Add to Cart | |
| 73 | 1250E473 | Lube Fill Plug | 1 | $16.72 | Add to Cart | |
| 74 | 1250E473 | Lube Drain Plug | 1 | $16.72 | Add to Cart | |
| 75 | A1199P1394 | Breather Assembly | 1 | $175.80 | Superseded by A1199W4053Add to Cart | |
| 76 | Carrier Assembly | 1 | See Bill of Materials | Call for availability | ||
| 77 | 1229U1503 | Washers Carrier Housing | 12 | $113.00 | Add to Cart | |
| 78 | 10X1594 | Capscrews (Short) Carrier Housing | 8 | $69.40 | Add to Cart | |
| 78 | 10X1600 | Capscrews (Long) 160 Carrier Housing | 4 | $28.92 | Add to Cart | |
| 78 | 10X1605 | Capscrews (Long) 140 Carrier Housing | 4 | $8.23 | Add to Cart | |
| 80 | Yoke | 1 | See Bill of Materials | Call for availability | ||
| 81 | 1229N1730 | Washer Yoke | 1 | $52.70 | Add to Cart | |
| 82 | 40X1233 | Nut Yoke | 1 | $17.72 | Add to Cart | |
| 83 | Cti Wheel Nut | 1 (LH) | See Page 9; CTI Equipped Axles Only; (LH); (RH) | Call for availability | ||
| 84 | Cti Wheel Stud | 1 (LH) | See Page 9; CTI Equipped Axles Only; (LH); (RH) | Call for availability | ||
| 85 | 2206D1018 | Elbow | 2 | CTI Equipped Axles Only | $60.92 | Add to Cart |
| 86 | A3196F1072 | Tube Assembly | 2 | CTI Equipped Axles Only | Call for availability | |
| 87 | 2297P3838 | Tube Seat | 2 | CTI Equipped Axles Only | $33.41 | Add to Cart |
| 88 | 1229S4569 | Snap Ring Cti | 4 | CTI Equipped Axles Only | $72.56 | Add to Cart |
| 89 | 2297K6901 | Guide | 4 | CTI Equipped Axles Only | $60.01 | Add to Cart |
| 90 | A1205F2476 | Cti Air Seal | 4 | CTI Equipped Axles Only | $89.93 | Add to Cart |
| 91 | 2297M5655 | Ball Plug | 2 | CTI Equipped Axles Only | Call for availability | |
| 92 | 2206Y1247 | Connector Fitting | 4 | CTI Equipped Axles Only | Call for availability | |
| 93 | A3196L1078 | Tube Assembly | 1 (LH) | CTI Equipped Axles Only; (LH) | Call for availability | |
| 93 | A3196K1077 | Tube Assembly | 1 (RH) | (RH) | Call for availability | |
| 94 | 2206Z1248 | Bulkhead Fitting | 2 | CTI Equipped Axles Only | Call for availability | |
| 95 | 3266J1284 | Upper Knuckle Cap | 1 | For Axles With One Steering Arm; ONLY | $835.85 | Add to Cart |
MX -17/19/21 -140 and MX -21/23 -160
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 96 | 2210R8208 | Camshaft | 1 | LH | $126.00 | Add to Cart |
| 96 | 2210Q8207 | Camshaft | 1 | RH | $204.07 | Add to Cart |
| 97 | 1229X3118 | Washer | 2 | $90.00 | Add to Cart | |
| 98 | 1205Q2123 | Camshaft Seal | 2 | $56.60 | Add to Cart | |
| 99 | 1225B834 | Camshaft Bushing | 1 | $43.20 | Add to Cart | |
| 100 | 1229T4102 | Snap Ring | 1 | $87.00 | Add to Cart | |
| 101 | 1259N274 | Brake Shoe Anchor Pin | 2 | $32.04 | Add to Cart | |
| 102 | 1225B496 | Anchor Pin Bushing | 2 | $41.00 | Add to Cart | |
| 103 | 2258H1230 | Brake Shoe Retaining Spring | 2 | $41.40 | Add to Cart | |
| 104 | A83222P2200 | Brake Shoe And Lining Assembly | 2 | Contains 107 108; , | $330.23 | Add to Cart |
| 105 | A3211M5733 | Brake Spider Assembly | 1 | Contains 98 99 102; , , | $652.46 | Add to Cart |
| 106 | 2258Y1273 | Brake Shoe Return Spring | 1 | $31.38 | Add to Cart | |
| 107 | 2297T7222 | Brake Shoe Roller | 2 | $58.30 | Add to Cart | |
| 108 | 3105B210 | Brake Shoe Roller Retainer | 2 | $35.20 | Add to Cart | |
| 109 | S264B | Dust Shield Capscrew | 6 | $511.00 | Add to Cart | |
| 109 | 3264P1290 | Dust Shield | 1 | Call for availability | ||
| 109 | 3264Q1291 | Dust Shield | 1 | 7 | Call for availability |
Wheel Nuts and Wheel Studs
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| X1423LH | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | Call for availability | ||||
| Y1351 | Wheel Nuts And Wheel Studs - Axle Shipping Wheel Nut (1) | Call for availability | ||||
| X1422RH | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | Call for availability | ||||
| X1350 | Wheel Nuts And Wheel Studs - Axle Shipping Wheel Nut (1) | Call for availability | ||||
| X2271LH | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | Call for availability | ||||
| X2270RH | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | Call for availability | ||||
| X2353LH | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | Call for availability | ||||
| M117 | Wheel Nuts And Wheel Studs - Axle Shipping Wheel Nut (1) | Call for availability | ||||
| X2354RH | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | Call for availability | ||||
| N118 | Wheel Nuts And Wheel Studs - Axle Shipping Wheel Nut (1) | Call for availability | ||||
| 13X1005 | Wheel Nuts And Wheel Studs - Axle Shipping Wheel Nut (1) | Call for availability | ||||
| 20X2392 | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | $78.16 | Add to Cart | |||
| 13X1006 | Wheel Nuts And Wheel Studs - Axle Shipping Wheel Nut (1) | Call for availability | ||||
| 20X2390 | Wheel Nuts And Wheel Studs - And Wheel Be Installed For For Final Assembly Wheel Stud (18) | $63.88 | Add to Cart |
Hub Assemblies Spindle Assemblies
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| A1333D4190 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | Call for availability | ||||
| A1333F4140 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $3,671.36 | Add to Cart | |||
| A333D4190 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | Call for availability | ||||
| A333F4140 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $2,458.87 | Add to Cart | |||
| A1333C4189 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | Call for availability | ||||
| A1333G4141 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | Call for availability | ||||
| A333C4189 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | Call for availability | ||||
| A333G4141 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $2,413.07 | Add to Cart | |||
| A1333Q4229 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | Call for availability | ||||
| A1333P4228 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $2,939.22 | Add to Cart | |||
| A333Q4229 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | Call for availability | ||||
| A333P4228 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $2,546.25 | Add to Cart | |||
| A1333S4231 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | No longer available - Call for replacement | ||||
| A1333R4230 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $1,648.18 | Add to Cart | |||
| A333S4231 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $1,293.04 | Add to Cart | |||
| A333R4230 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $3,015.20 | Add to Cart | |||
| A3213W1817 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | No longer available - Call for replacement | ||||
| A3213U1815 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $1,508.29 | Superseded by A13213U1815Add to Cart | |||
| A13213U1815 | Hub Assemblies Spindle Assemblies - Hub Assembly (17) | $1,508.29 | Add to Cart |
This is the complete factory parts breakdown for the Meritor MX-140/MX-160 Front Drive Steer Axle, with every part in the manual matched to our live inventory. We stock 105 of the 166 parts above; click any part number to view it, or add it straight to your cart. Click a number on any diagram to jump to that part.
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