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🔧 Bolt up your ride with confidence—because every detail counts!
The 81101 Motor Mount Bolt Kit by Dorman is a Grade 8 stainless steel replacement bolt designed for select Chevrolet and GMC vehicles. Featuring a machined hex head and fully threaded design, it offers OEM-level fit and durability with a maximum shear strength of 550 MPa. Backed by a limited lifetime warranty and over 100 years of automotive expertise, this bolt ensures reliable engine mounting and long service life.










| ASIN | B000COBCJ2 |
| Best Sellers Rank | #45,156 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Replacement Bolts |
| Brand | Dorman |
| Compatible Groove Diameter | 1.75 Inches |
| Customer Reviews | 4.4 4.4 out of 5 stars (518) |
| Drive System | Rear-Wheel Drive |
| Exterior Finish | Machined |
| Fastener Size | 1.75 inches |
| Fastener Type | Hexagon Bolt |
| Finish Types | Matte |
| Global Trade Identification Number | 00037495811019 |
| Grade Rating | Grade 8 |
| Head Type | Hex |
| Included Components | Dorman 81101: Motor Mount Bolt Kit - Grade 8 |
| Item Dimensions | 8.25 x 1.75 x 1.1 inches |
| Item Hardness | Grade 8 |
| Item Type Name | Dorman 81101: Motor Mount Bolt Kit - Grade 8 |
| Item Weight | 4.48 ounces |
| Manufacturer | Dorman Products |
| Manufacturer Grade | Grade 8 |
| Material Type | Stainless Steel |
| Maximum Shear Strength | 550 MPa |
| Metal Type | Stainless Steel |
| Model | 81101 |
| Number Of Items | 1 |
| Number of Pieces | 1 |
| Part Number | 81101 |
| Screw Head Style | Hexagon |
| Set Screw Thread Type | Unified National Coarse (UNC) |
| Size Name | 1 Count (Pack of 1) |
| Thread Class | 3A |
| Thread Coverage | Fully Threaded |
| Thread Size | 3/8"-16 UNC |
| Thread Style | Right Hand |
| Thread Type | Unc |
| UPC | 037495811019 |
| Unit Count | 1.0 Count |
| Warranty Description | Limited Lifetime Warranty |
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