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Fabco TC-237 Transfer Case Parts List — Every Part Number, In Stock Online

This is the complete factory service parts list for the Fabco TC-237 transfer case (transfer case assembly number 873-0061-001, drawing 873-0061-000) — a two-speed, air-shifted transfer case with a front-axle declutch. Every Fabco part number below links to that exact part at Pro Gear & Transmission, Fabco’s authorized distributor, ready to ship worldwide. Before ordering, check the Fabco nameplate on your transfer case housing and confirm the assembly number matches — or call 877-776-4600 and we’ll identify what you need from the serial number.

TC-237 parts manual (PDF)

Download the free interactive TC-237 Parts Manual (PDF) — every part number is a blue link to that part in our store, each in-stock row has a blue Add to Cart ▶ arrow that drops the part straight into your shopping cart, and the blue numbered balloons on the exploded-view drawing jump to their row in the parts list. Or browse more models on our Fabco manuals page. If your unit is beyond economical repair, we build rebuilt Fabco transfer cases on core exchange with a one-year unlimited-mileage warranty.

Need TC-237 parts or a complete unit? Shop all Fabco transfer case parts or browse complete truck transfer cases in stock at Pro Gear — call 877-776-4600 for discount pricing.

TC-237 service parts list (assembly 873-0061-001)

Item numbers follow the factory exploded-view drawing. Parts marked NLA are no longer available new — the link shows the original listing; call us for the current replacement. Superseded numbers link straight to the current part.

Item Fabco Part # Description Qty
1 233-0274 Bearing Cup 4
2 233-0375 Bearing Cup 1
3 233-0376 Bearing Cup 1
4 233-0377 Bearing Cone 1
5 233-0457 Bearing Cone 1
6 233-0458 Bearing Cup 1
7 233-0479 Bearing Cup 1
8 233-0485 Bearing Cone 4
9 233-0487 Bearing Cone 1
10 233-0497 Bearing Cone 1
11 233-0523 Bearing Cup And Cone Assembly 2
12 233-0545 Bearing Cup 2
13 233-0548 Bearing Cone 2
14 235-0352 Cap, Air Shift Cylinder 2
15 235-0372 Cap, Shift Shaft 1
16 235-0375-002 Cap, Input Shaft Rear 1
17 237-0359 Carrier, Front Output 1
18 237-0587-005 Carrier, Input Seal 1
19 237-0665 Carrier, Rear 1
20 265-0238 Bolt, 7/16-14 UNC x 1 1/4, Grade 5, Hex Head 20
21 265-0239 Bolt, 7/16-14 x 1 Hex Head 16
22 265-0343 Bolt, 1/4-20 x 1/2 Hex Head 8
23 265-0768 Bolt, 7/16-20 x 1 3/8 Grade 8, Drilled HH 2
24 Bolt, 1/4-20 x 3 3/4 Hex Head number illegible in manual — call 877-776-4600 1
25 265-0982 Bolt, 1/4-20 x 4 3/4 Hex Head 4
26 273-0687 Bracket, Lifting 2
27 339-0223 Felt Wiper, Shift Cylinder 2
28 367-0254 Fork, Front Declutch Shift 1
29 367-0268 Fork, Input & Intermediate Shift Shaft 2
30 427-0339 Gasket, Input Carrier 1
31 427-0375 Gasket, Front Output Carrier 1
32 427-0376 Gasket, Declutch Cover Plate 1
33 427-0399 Gasket, Shift Shaft Cap 1
34 427-0552 Gasket, Rear Carrier 1
35 427-0553 Gasket, Housing Cover Plate 1
36 432-0426 Gear, Front Declutch Shift Collar 1
37 432-0554 Gear, 35-Tooth Rear Output Shaft 1
38 432-0556 Gear, 20-Tooth Clutch 2
39 432-0558 Gear, 34-Tooth Direct Drive Intermediate Shaft 1
40 432-0563 Gear, Front Output Shaft 1
41 432-0674 Gear, 19-Tooth Underdrive Input 1
42 432-0675 Gear, 41-Tooth Underdrive 1
43 432-0676 Gear, 35-Tooth Direct Drive Input 1
44 432-0743 Gear, Electronic Speedo Rotor 1
45 432-0744 Gear, Front Declutch 1
46 468-0943-002 Housing, Front Declutch not sold separately — see 468-0943-001 or 468-0943-003 1
47 478-0298 Housing, Transfer Case 1
48 626-0228 Nameplate NLA — call for replacement 1
49 675-0224 O-Ring, Shift Cylinder Adapter supplied as -V14 (Viton) 6
50 675-0326 O-Ring, Piston supplied as -V14 (Viton) 2
52 688-0464 Nut, Shift Piston NLA — call for replacement 2
54 688-0645 Nut, N13 Bearing Lock 1
55 688-0694 Nut, 1 1/2-12 Lock 2
56 688-0697-004 Nut, 1 1/2-12 Lock 2
57 688-0739 Nut, N10 Bearing Lock superseded by 688F-0739 2
58 724-0222 Screw, 3/8-24 Shift Fork Set 2
59 724-0276 Screw, #6 x 5/16 Long Drive 2
61 724-0677 Screw, 7/16-14 x 2 1/4 12-Point Head 6
62 732-0333 Oil Seal, Front Output replaced by 732-0466 1
63 732-0372 Oil Seal, Rear Output 1
64 732-0384 Oil Seal, Input 1
65 736-0747 Ring, Nylon Stop 2
66 742-0799 Shaft, Front Declutch Shift 1
67 742-0877 Shaft, Range Shift NLA — call for replacement 1
71 746-0628 Pin, Indicator Switch Actuating 1
72 753-0232 Piston, Shift 2
76 756-0269 Ring, Input Shaft Rear Spacer NLA — call for replacement 1
77 758-0229 Plug, 3/4 NPT Pipe 2
78 758-0232 Plug, 1/4 NPT Pipe 2
79 758-0274 Plug, 3/4 NPT Magnetic Drain 1
80 758-0328 Plug, 1" Welch 1
81 758-0338 Plug, 1/4 NPT Plastic Shipping 2
82 758-0374-108 Plug, Elect. Speedo Plastic Shipping NLA — call for replacement 1
83 762-0288 Snap Ring 1
84 762-0292 Ring, Split Retaining 3
86 769-0453 Shaft, Input 1
87 769-0467 Shaft, Intermediate 1
88 776-0237 Shaft, Front Output 1
89 776-0358 Shaft, Rear Output 1
90 777-0477 Spring, Front Declutch Shift 1
91 777-0485 Spring, Range Shift 1
92 782-0288 O-Ring, Shift Shaft superseded by 675-0012-V14 2
94 792-0866 Plate, Declutch Cover 1
95 793-1537 Plate, Housing Cover 1
96 798-0245 Switch, Front Declutch Shift Indicator 1
97 836-0223 Vent, Breather 1
99 883-0479 Tube, Range Shift Cylinder Adapter 1
100 883-0482 Tube, Front Declutch Shift Cylinder Adapter 1
101 883-0887-001 Tube, Front Declutch Shift Cylinder, 2.75 Lg 1
102 883-0887-003 Tube, Range Shift Cylinder, 3.813 Lg 1
105 883-0988 Tube, Oil Seal Protector Shipping 3
106 884-0296 Tube, Rear Output Shaft Spacer 1
107 927-0347 Washer, 7/16 SAE Plain 6
108 927-0427 Copper Washer 1
109 927-0643 Washer, Shift Piston 2
110 927-0749 Washer, 7/16-14 Lock 16
111 927-0775-005 Washer, Front Output Shaft 1
112 927-0775-007 Washer, Intermediate Shaft Rear 1
113 927-0828 Washer, Input Shaft 1
114 947-0223 Wire, Lock 3

Shims and bearing spacer rings

Items 68–70 and 73–75 in the list above are select-at-assembly shims and bearing spacer rings, sized to set bearing preload and end play. The available thicknesses:

Fabco Part # Description Qty
744-1322 Shim, .030 Thick, Coral
744-2322 Shim, .015 Thick, Pink
744-3322 Shim, .005 Thick, Blue
744-4322 Shim, .002 Thick, Red
744-0278 Shim, .030 Thick, Coral
744-0279 Shim, .015 Thick, Pink
744-0282 Shim, .005 Thick, Blue
744-0283 Shim, .002 Thick, Red
744-0369-001 Shim, .002 Thick (1 Notch)
744-0369-002 Shim, .005 Thick (2 Notches)
744-0369-003 Shim, .015 Thick (3 Notches)
744-0369-004 Shim, .030 Thick (4 Notches)
756-0233-003 Ring, Bearing Spacer
756-0233-004 Ring, Bearing Spacer
756-0233-005 Ring, Bearing Spacer
756-0233-006 Ring, Bearing Spacer
756-0233-007 Ring, Bearing Spacer
756-0233-008 Ring, Bearing Spacer
756-0233-009 Ring, Bearing Spacer
756-0268-001 Ring, Bearing Spacer
756-0268-002 Ring, Bearing Spacer
756-0268-003 Ring, Bearing Spacer
756-0268-004 Ring, Bearing Spacer
756-0268-005 Ring, Bearing Spacer
756-0268-006 Ring, Bearing Spacer
756-0268-007 Ring, Bearing Spacer
756-0268-008 Ring, Bearing Spacer
756-0268-009 Ring, Bearing Spacer
756-0268-010 Ring, Bearing Spacer

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All Fabco transfer cases rebuilt by Pro Gear are covered with a one year, unlimited mileage warranty. *See

warranty. All other warranties are that of the manufacturer.

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