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3M™ 3" x 4" Orbital Sander Replacement Parts

3M 3
Replacement Parts for all 3"x4" Non-Vac, Central Vac, and Self Generating Vac Orbital Sanders: All Orbits.

View Parts Diagram or the User's Manual.

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3M IDItem DetailUnitQtyShipping UnitPrice 
60440188732Lever Spring Pin A0031Pin1Pin$0.64
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60440188575Lock Ring A0001Lock Ring1Lock Ring$3.93
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60440188708Lower Shaft Balancer 6001ZZ Bearing - 2 Shields A0019Bearing1Bearing$8.36
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60440188849M5 Flanged Nut A0048Nut1Nut$0.60
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60440189342Machined Rotor B0005Rotor1Rotor$16.69
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60440189490Mini Pad Support Assembly C0018Assembly2Bag$24.26
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60440188633Motor Vane A0010Vane5Bag$3.70
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60440189029Muffler Housing A0166Housing1Housing$1.94
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60440188740Muffler Insert A0032Insert2Bag$1.40
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60440188757Muffler Plate A0038Plate1Plate$0.60
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60440188799O-Ring A0042, 5 mm x 2 mmO-Ring1O-Ring$0.60
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60440188807O-Ring A0043, 9 mm x 1-1/2 mmO-Ring1O-Ring$0.60
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60440188815O-Ring A0044, 14 mm x 1-1/2 mmO-Ring1O-Ring$1.03
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60440188823O-Ring A0045, 40 in x 3-1/2 inO-Ring1O-Ring$1.43
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60440188955One-way Valve A0121Valve1Valve$3.33
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60440189292Orbital Sander Lever A1353Lever1Lever$7.47
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60440189318Pad Backing A1357Backing1Backing$22.74
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60440189375Rear End Plate B0017Plate1Plate$14.30
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604401889976900 2RS Bearing - 1 Seal A0161Bearing1Bearing$14.83
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604401890036900 Upper Spindle Bearing A0162Bearing1Bearing$11.52
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60440189524A1359, OS CV Swivel ExhaustExhaust1Exhaust$13.51
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60440189326A1360, CV Swivel Exh AssyAssembly1Assembly$14.93
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60440189417B0102, 3x4 OS Shaft BalancerBalancer1Balancer$81.70
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60440189466B0309, 3x3/16 Shaft BalancerBalancer1Balancer$73.48
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60440188716Ball Bearing - 6000ZZ Upper Shaft Balancer, 2 Shields A0021Bearing1Bearing$9.40
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60440188971Belleville Washer A0126Washer1Washer$0.83
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60440188583Cylinder Assembly A0005Assembly1Assembly$51.85
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60440188898D-Washer A0079, 0.2 ThickD-Washer1D-Washer$0.91
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60440188906D-Washer A0080, .4 ThickD-Washer1D-Washer$0.91
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60440188963Filter A0122Filter1Filter$0.60
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60440128308Filter Bag Adapter 20453, 1 in External Hose Thread x 1 in IDAdaptor1Adaptor$9.24
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60440189367Front End Plate B0016Plate1Plate$14.30
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60440189110Hex Wrench A0864, 2.5 mmWrench1Wrench$1.79
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60440189102Hose Seal A0778, 1 in/28 mmSeal1Seal$1.51
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60440189151Housing A1331, 3 in x 4 inHousing1Housing$50.75
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60440188641Inlet Bushing Assembly A0013Assembly1Assembly$3.89
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60440188930Shim A0108, 0.2 ThickShim1Shim$0.56
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60440189300Shroud Seal A1356Seal1Seal$3.86
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60440189268Snap-On Exhaust Adapter A1350Adaptor1Adaptor$4.20
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60440189250Snap-On Vacuum Cover Plate A1349Plate1Plate$1.24
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60440189045Spacer A0196Spacer1Spacer$0.56
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60440189359Speed Control B0014Control1Control$2.06
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60440189011Spindle Assembly A0163Assembly1Assembly$20.13
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60440189474Spindle B0312Spindle1Spindle$19.25
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60440188609Throttle Control Valve A0007Valve1Valve$1.71
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60440127102Vacuum Bag Inserts 20338Insert10Bag$18.60
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60440188625Valve Seat A0009Seat1Seat$1.03
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60440188666Valve Sleeve A0015Sleeve1Sleeve$3.06
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60440188658Valve Spring A0014Spring1Spring$0.79
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60440188617Valve Stem Assembly A0008Assembly1Assembly$2.12
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60440188831Washer A0047, M5Washer1Washer$0.41
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60440188872Washer A0076, M4Washer4Bag$0.91
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60440188781Woodruff Key A0041Key1Key$2.07
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60440188989Wrench A0146, 17 mmWrench1Wrench$5.12
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60440188773Retaining Ring - External A0040Ring1Ring$0.60
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60440188765Retaining Ring - Internal A0039Ring1Ring$0.60
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60440188914Retaining Ring A0090, 11.9 mm (15/32 in)Ring1Ring$0.64
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60440188922Retaining Ring A0107Ring1Ring$0.60
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60440189037Retaining Ring A0177Ring1Ring$0.83
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60440188948Retaining Sleeve A0120Sleeve1Sleeve$1.20
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60440127144ROS Grip 20342, 2-1/2 in SmallGrip1Grip$8.22
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60440127151ROS Grip 20343, 2-3/4 in MediumGrip1Grip$9.79
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60440127169ROS Grip 20344, 3 in LargeGrip1Grip$11.83
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60440189136ROS Shroud A1230, 3 in x 3/16 in OrbitShroud1Shroud$8.99
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60440188880Screw A0078, M6 x 14Screw1Screw$0.74
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60440189060Screw A0766Screw4Bag$2.22
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60440189078Screw A0767Screw4Bag$2.79
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60440189086Screw A0768Screw4Bag$2.22
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60440189094Screw A0769Screw1Screw$0.87
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60440189201Self-Generated Vacuum Hose Swivel Exhaust Assembly A1338, 1 in/28 mmAssembly1Assembly$16.68
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60440189508Self-Generated Vacuum Hose Swivel Exhaust Assembly A1340, 3/4 inExhaust1Exhaust$15.04
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60440189052Self-Generated Vacuum Retainer A0722Retainer1Retainer$4.55
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60440179228Service Tool Kit 20215Kit1Kit$454.08
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