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This is an authentic manufacturer sourced replacement part designed for use with Dewalt grinders. It helps to provide an air tight seal for the gearbox. It is made out of rubber material and it is sold individually. To complete this repair you will need a spanner wrench.
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We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Damaged ring & pinion
Earl from Royal Palm Beach, Florida
Flange was missing. The tool was otherwise in good shape.
Eric from KETCHIKAN, Alaska
| Brand | Model Number | Description |
|---|---|---|
| Craftsman | CMCG450B | Sander Grinder - 20v Brshls 4-1/2 Gri |
| Craftsman | CMCG451B | Angle Grinder - Angle Grinder |
| DeWALT | D28065 | Angle Grinder - Small Angle Grinder |
| DeWALT | D28065N | Angle Grinder - Small Angle Grinder |
| DeWALT | D28066 | Angle Grinder - Angle Grinder |
| DeWALT | D28066N | Angle Grinder - 5in/6in Rattail Sag |
| DeWALT | D28110 | Angle Grinder - Grinder |
| DeWALT | D28110K | Angle Grinder - 4-1/2 Sm.Ang.Grndr |
| DeWALT | D28111-B3 | Grinder - 4-1/2 Small Angle Grinder |
| DeWALT | D28111S-B3 | Grinder - 4-1/2 Angle Grinder |
| DeWALT | D28111SK-B3 | Grinder - 4-1/2 Small Angle Grinder |
| DeWALT | D28112 | Angle Grinder - Grinder |
| DeWALT | D28112-B3 | Grinder - 4-1/2 Grinder |
| DeWALT | D28114 | Angle Grinder - Grinder |
| DeWALT | D28114-AR | Grinder - 4-1/2 Small Angle Grinder |
| DeWALT | D28114N | Angle Grinder - Grinder |
| DeWALT | D28115 | Angle Grinder - Grinder |
| DeWALT | D28115N | Angle Grinder - Grinder |
| DeWALT | D28131 | Angle Grinder - Grinder |
| DeWALT | D28140 | Angle Grinder - Grinder |
| DeWALT | D28144 | Angle Grinder - Grinder |
| DeWALT | D28144N | Angle Grinder - Grinder |
| DeWALT | D28402 | Angle Grinder - Small Angle Grinder |
| DeWALT | D28402-B3 | Grinder - 4 1/2 Small Angle Grinder |
| DeWALT | D28402B | Grinder - 4 1/2 Small Angle Grinder |
| DeWALT | D28402BW | Angle Grinder - 4-1/2 Grinder |
| DeWALT | D28402K | Angle Grinder - 4-1/2 Small Angle Grinder |
| DeWALT | D28402N | Angle Grinder - Small Angle Grinder |
| DeWALT | DC411 | Chop Saw - 18V Cut Off Tool |
| DeWALT | DC411B | Saw - 20145 |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
