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Ingersoll-Rand 2112 1/2" Drive Air Impact Wrench Repair Parts

IR 2112 1/2" Drive Parts List
Item Part Number Part Description IR Equivalent
1 9228 Cylinder 2112-3
2 8706 Front End Plate 2112-11
3 8101 Front Rotor Bearing 2131-97
3A 8294 Rear Rotor Bearing R00H-97
4 2454 Vane Packet (set of 6 Vanes) 2112-42-6
5 8130 Rotor 2112-53
6 8750 Rear Rotor Bearing Retainer 4E-6
7 8590 Motor Gasket 2112-283
8 Anvil Assembly
8125 for 2112 and 2112S 2112-A626
8131 for 2121 2112-A726
for 2121-2 2125-A414-2
9 Socket Retainer
8296 for 2112 and 2112S 1702-425
8088 for 2121 and 2121-2 231-425A
10 Socket Retainer O-ring
8261 for 2112 and 2112S 1702-426
8270 for 2121 and 2121-2 R1A-159
11 8832 Hammer Case Screw (4) 2112-638
Hammer Frame Assembly 2112-A703
12 8129 Hammer Frame 2112-703
13 8514 Hammer Pin (2) 2112-704
14 9204 Hammer (2) 2112-724
15 8136 Hammer Case Assembly 2112-727
16 8831 Hammer Case Bushing 2112-641
17 Grease Fitting D0F9-879
18 8764 Hammer Case Gasket 2112-36
19 8584 Housing Assembly 2112-A40
20 Housing Label 2112-99
20A Warning Label WARNING-2-99
21 Nameplate
for 2112 2112-301
for 2112S 2112S--301
for 2121 and 2121-2 2121-301
22 8128 Inlet Bushing Assembly 2131-A565
23 8740 Inlet Bushing Screen 5RA-61
24 9144 Inlet Retainer Clip 2131-57
25 8592 Inlet Parts Kit 2131-K303
25A 8747 Washer ---
25B 8745 Inlet Bushing Seal ---
25C 8739 Tilt Valve Spring ---
25D 8725 Tilt Valve ---
25E 8734 Tilt Valve Seat ---
25F 8744 Tilt Valve Seat Support ---
25G 8746 Tilt Valve Seat Retainter ---
26 8122 Trigger Assembly 2131-A93
27 8770 Trigger O-ring ---
28 8771 Reverse Valve Assembly 2131-A329
29 8771T Reverse Valve O-ring (top) ---
30 8771B Reverse Valve O-ring
(bottom) (blue) ---
31 8787 Button Kit 2112-K75
32 Forward Button ---
33 Reverse Button ---
34 8784 Power Management Dial 2112-A249
35 9571 Power Management Dial Seal 2112-248
36 8594 Inlet Clip Removal Tool 2131-322
37 Silencer (4) (2112S only) 2131S-310
Grease (1 lb) (for external lubrication of the impact mechanism) 115-1LB
Grease 1 lb (for lubrication when disassembling and assembling the impact mechanism) 105-1LB
Grease 8 lb (for lubrication when disassembling and assembling the impact mechanism) 105-8LB
Protective Cover 2112-P32
Grease Gun R000A2-228
Seal Kit (includes: 7, 18, 25B, 27, 29, 30 and 35) 2112-K36
Tune-up Kit (includes: 3, 3A, 4, 6, 7, 9, 10, 18, 23, 25, 27, 29, 30 and 35) 2112-TK2
Hammer Kit (for 2112 and 2112S) (includes: 11 [4], 14 [2], 18, and Anvil Assembly part number 2112-A626) 2112-THK1
Hammer Kit (for 2121) (includes: 11 [4], 14 [2], 18 and Anvil Assembly part number 2112-A726) 2121-THK1
Hammer Kit (for 2121-2) (includes: 11 [4], 14 [2], 18 and Anvil Assembly part number 2125-A414-2) 2121-THK1-2


Century Tool & Equipment is in no way affiliated with the above manufacturers. The parts advertised for sale are not always genuine parts, but are parts made for or by Century Tool & Equipment. Reference to said numbers are for your convenience only. We reserve the right to substitute genuine parts in place of Century Tool & Equipment parts.
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100-1Lb Ingersoll-Rand 1 Lb. Standard-Duty Grease For Impact Tools 100-1Lb Ingersoll-Rand 1 Lb. Standard-Duty Grease For Impact Tools

1 lb. Can tool lube. Standard-duty impact wrench grease. Thicker longer lasting grease for assembling the hammer mechanism. Provides longer life and smoother operation than standard lubricants.

Discontinued See 105-1LB
105-4T Ingersoll Rand Metallic Housing Grease 4 oz. Tube 105-4T Ingersoll-Rand Metallic Housing Grease 4 oz. Tube

105-4T Ingersoll Rand Metallic Housing Grease 4 oz. Tube. Metallic housing impact wrench grease. For use with GTH-1 grease gun.

Price $14.03
105-4T-6 Ingersoll Rand Metallic Housing Grease Pack (6 Pack) 105-4T-6 Ingersoll-Rand Metallic Housing Grease Pack (6 Pack)

Box of 6 4 oz. Tubes of IR Number 105 Grease. Metallic housing impact wrench grease. For use with GTH-1 grease gun. (6 Pack) 1.

Price $79.85
105-LBK1 Ingersoll-Rand Air Care Kit For IRT105 Metallic Housing 105-LBK1 Ingersoll-Rand Air Care Kit For IRT105 Metallic Housing

Ingersoll Rand Air Care Kit includes GTH-1 Grease tube head, 10Z4 4oz. Bottle of #10 Air Tool Oil and 115-4T 4oz. Tube #115 Tool Grease.

Price $42.20
115-1LB Ingersoll-Rand 1Lb. Can Composite Housing Impact Wrench Grease 115-1LB Ingersoll-Rand 1Lb. Can Composite Housing Impact Wrench Grease

1 lb. Can tool lube. Composite housing impact wrench grease. Thicker longer lasting grease for assembling the hammer mechanism. Provides longer life and smoother operation than standard lubricants.

Unavailable
115-4T Ingersoll Rand Composite Grease 4 oz. Tube 115-4T Ingersoll-Rand Composite Grease 4 oz. Tube

115-4T Ingersoll Rand Composite Grease 4 oz. Tube. Composite housing impact wrench grease. For use with GTH-1 or other grease gun.

Price $11.44
115-LBK1 Ingersoll-Rand Composite Grease & Oil Air Care Kit 115-LBK1 Ingersoll-Rand Composite Grease & Oil Air Care Kit

115-LBK1 Ingersoll-Rand Composite Grease & Oil Air Care Kit includes GTH-1 Grease tube head, 10Z4 4oz. Bottle of #10 Air Tool Oil and 115-4T 4oz. Tube #115 Tool Grease.

Price $36.80
2454 2112-42 Rotor Vane Equivalent 2454 2112-42 Rotor Vane Equivalent Sold Each

Made In The USA2454  2112-42 Rotor Vane Equivalent - Sold Each

Price $1.78
8088 231-425A Socket Retainer 1/2" Equivalent 8088 231-425A Socket Retainer 1/2" Equivalent

Made In The USA8088 231-425A Socket Retainer 1/2" Equivalent

Price $2.40
8101 2131-97 Bearing Equivalent 8101 2131-97 Bearing Equivalent

Made In The USA8101  2131-97 Bearing Equivalent

Price $6.00
8122 2131-D93 / (-A93) Trigger With O-Ring 8122 2131-D93 / (-A93) Trigger With O-Ring

Made In The USA8122 2131-D93 / (-A93) Trigger With O-Ring (SUB 8979). For o-ring only see 8770.

Price $10.00
8128 2131-D565 (-A565) Bushing Assembly 8128 2131-D565 (-A565) Bushing Assembly

Made In The USA8128  2131-D565 (-A565) Bushing Assembly. Includes inlet Bushing, 8624 Inlet parts kit, and 9144 Inlet Retainer Clip.

Price $36.30
8129 2112-703 Ingersoll-Rand Hammer Frame Assembly 8129 2112-703 Ingersoll-Rand Hammer Frame Assembly

Made In The USA8129 2112-703 Ingersoll-Rand Hammer Frame Assembly

Price $68.59
8130 2112-53 Rotor 8130 2112-53 Rotor

Made In The USA8130  2112-53 Rotor

Price $74.96
8131 2112-A726 Ingersoll-Rand 1/2" Anvil Assembly 8131 2112-A726 Ingersoll-Rand 1/2" Anvil Assembly

Made In The USA8131 2112-A726 Ingersoll-Rand 1/2" Anvil Assembly

Price $84.15
8270 R1A-159 Retainer O-ring 1/2" Equivalent 8270 R1A-159 Retainer O-ring 1/2" Equivalent

Made In The USA8270 R1A-159 Retainer O-ring 1/2" Equivalent

Price $0.36
8514 2112-704 Hammer Pin 8514 2112-704 Hammer Pin

Made In The USA8514  2112-704 Hammer Pin

Price $6.00
8584 2112-A40 Housing Assembly 8584 2112-A40 Housing Assembly

Made In The USA8584  2112-A40 Housing Assembly

Price $69.95
8590 2112-283 Motor Gasket 8590 2112-283 Motor Gasket

Made In The USA8590  2112-283 Motor Gasket

Price $4.28
8592 2131-K303 Inlet Parts Kit Equivalent 8592 2131-K303 Inlet Parts Kit Equivalent

Made In The USA8592 2131-K303 Inlet Parts Kit Includes, 8725 Throttle Valve, 8734 Throttle Valve Seat, 8739 Throttle Valve Spring, 8744 Valve Seat Support, 8745 O-Ring (Black), 8746 Valve Seat Retainer, 8747 Inlet Washer.

Price $12.25
8594 2131-322 Inlet Remover 8594 2131-322 Inlet Remover

Made In The USA8594  2131-322 Inlet Remover

Price $30.00
8706 2112-11 End Plate 8706 2112-11 End Plate

Made In The USA8706  2112-11 End Plate

Price $38.89
8725 2131-302 Valve Equivalent 8725 2131-302 Valve Equivalent

Made In The USA8725  2131-302 Valve Equivalent

Price $4.34
8734 2131-303 Valve Seat Equivalent 8734 2131-303 Valve Seat Equivalent

Made In The USA8734  2131-303 Valve Seat Equivalent

Price $3.16
8739 2131-51 Throttle valve spring 8739 2131-51 Throttle valve spring

Made In The USA8739  2131-51 Throttle valve spring

Price $1.45
8740 5RA-61 Inlet bushing screen 8740 5RA-61 Inlet bushing screen

Made In The USA8740 5RA-61 Inlet bushing screen. Now made of stainless.

Price $4.13
8744 2131-Valve seat support 8744 2131-Valve seat support

Made In The USA8744  2131-Valve seat support

Price $2.74
8745 2131-566 O-ring (Black) 8745 2131-566 O-ring (Black)

Made In The USA8745  2131-566 O-ring (Black)

Price $0.63
8746 2131-340 valve seat retainer 8746 2131-340 valve seat retainer

Made In The USA8746  2131-340 valve seat retainer

Price $0.61
8747 2131-286 Inlet Washer 8747 2131-286 Inlet Washer

Made In The USA8747  2131-286 Inlet Washer

Price $1.80
8750 4E-6 Rotor Bearing retainer 8750 4E-6 Rotor Bearing retainer

Made In The USA8750  4E-6 Rotor Bearing retainer

Price $0.78
8764 2112-36 Hammer Case Gasket 8764 2112-36 Hammer Case Gasket

Made In The USA8764  2112-36 Hammer Case Gasket

Price $3.30
8770 2131-158 Trigger O-Ring 8770 2131-158 Trigger O-Ring

Made In The USA8770  2131-158 Trigger O-Ring

Price $0.48
8771 2131-A329 Reversing Valve Assembly 8771 2131-A329 Reversing Valve Assembly

Made In The USA8771  2131-A329 Reversing Valve Assembly. For O-rings only, See 8771T Top O-ring (Black) or 8771B Bottom O-ring (Blue).

Price $28.84
8784 2112-A249 Power Mounting assembly 8784 2112-A249 Power Mounting assembly

Made In The USA8784  2112-A249 Power Mounting assembly

Price $12.72
8787 2112-K75 Button Kit 8787 2112-K75 Button Kit

Made In The USA8787  2112-K75 Button Kit

Price $10.90
8831 2112-641 Bushing 8831 2112-641 Bushing

Made In The USA8831  2112-641 Bushing

Price $4.28
8832 2112-638 Screw 8832 2112-638 Screw

Made In The USA8832  2112-638 Screw

Price $4.28
9144 2131-57 Inlet Retainer Clip 9144 2131-57 Inlet Retainer Clip

Made In The USA9144 2131-57 Inlet Retainer Clip

Price $6.77
9204 2112-724 Hammer 9204 2112-724 Hammer

Made In The USA9204  2112-724 Hammer

Price $28.10
9228 2112-3 Cylinder 9228 2112-3 Cylinder

Made In The USA9228  2112-3 Cylinder

Price $98.75
9571 2112-248 O-ring Power Regulator 9571 2112-248 O-ring Power Regulator

Made In The USA9571  2112-248 O-ring Power Regulator

Price $0.63
9964 2112-TK2 Tune Up Kit Equivalent 9964 2112-TK2 Ingersoll-Rand Tune Up Kit Equivalent

Made In The USA2112-TK2 Tune-up Kit. Used On Ingersoll-Rand Model 2112. The kit contains: Rotor Vanes, Socket Retainer, Bearings, O-Rings, Retainers, Socket Retainers, Motor Gasket, Inlet Parts Kit, Inlet Bushing Screen, Rotor Bearing Retainer and Hammer Case Gasket.

Price $39.75
GTH-1 Ingersoll-Rand Grease Tube Head. Use with 4oz. Tube #115 Tool Grease. GTH-1 Ingersoll-Rand Grease Tube Head

GTH-1 Ingersoll-Rand Grease Tube Head. Use with 4oz. Tube #115 Tool Grease.

Price $19.87
R000A2-228 Ingersoll-Rand Push-Type Hand Grease Gun For Flush Fittings R000A2-228 Ingersoll-Rand Push-Type Hand Grease Gun For Flush Fittings

Made In The USAIngersoll Rand R000A2-228 Push-type hand grease gun for flush-type fittings, holds up to 3 oz of grease.

Price $14.50