---
product_id: 22304330
title: "Dorman 81101 Motor Mount Bolt Kit - Grade 8"
brand: "dorman"
price: "NT$457"
currency: TWD
in_stock: true
reviews_count: 12
category: "Dorman"
url: https://www.desertcart.tw/products/22304330-dorman-81101-motor-mount-bolt-kit-grade-8
store_origin: TW
region: Taiwan
---

# Grade 8 strength Fully threaded 3/8"-16 UNC Precision machined fit Dorman 81101 Motor Mount Bolt Kit - Grade 8

**Brand:** dorman
**Price:** NT$457
**Availability:** ✅ In Stock

## Summary

> 🔩 Bolt in confidence, drive with power.

## Quick Answers

- **What is this?** Dorman 81101 Motor Mount Bolt Kit - Grade 8 by dorman
- **How much does it cost?** NT$457 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/22304330-dorman-81101-motor-mount-bolt-kit-grade-8)

## Best For

- dorman enthusiasts

## Why This Product

- Trusted dorman brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect OEM Fit:** Engineered to match factory specs for seamless installation on select Chevrolet and GMC models.
- • **Unmatched Durability:** Grade 8 stainless steel ensures maximum shear strength of 550 MPa for long-lasting reliability.
- • **Easy Compatibility Check:** Use the garage tool to confirm exact fit by make, model, and trim—never second guess your purchase.
- • **Precision Machined Finish:** Matte machined exterior guarantees a sleek look and corrosion resistance under the hood.
- • **Trusted Quality Assurance:** Backed by over a century of automotive expertise and a limited lifetime warranty for peace of mind.

## Overview

The Dorman 81101 Motor Mount Bolt Kit is a Grade 8 stainless steel replacement bolt designed for select Chevrolet and GMC vehicles. Featuring a fully threaded 3/8"-16 UNC hex head and a precision machined matte finish, it delivers OEM-level fit and durability with a maximum shear strength of 550 MPa. Backed by a limited lifetime warranty and expert craftsmanship, this bolt ensures reliable engine mounting and long service life.

## Description

This engine mount bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Review: Good quality - Was the correct size i needed just haven't gotten them installed yet
Review: Worked for OBS big block - Worked like a charm for big block Chevy into a 1995 C1500 - should work for all OBS big blocks using factory motor mounts. Note that the 4.3 V6 mounts use shorter bolts.

## Features

- Direct replacement - this engine mount bolt matches the fit and function of the factory part on specified years, makes and models
- Ideal solution - this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction - this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000COBCJ2 |
| Best Sellers Rank | #37,390 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Bolts |
| Brand | Dorman |
| Compatible Groove Diameter | 1.75 inches |
| Customer Reviews | 4.4 out of 5 stars 533 Reviews |
| 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 Style | Hexagon |
| 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 Highlight | Fits Select Chevrolet / GMC Models |
| Item Type Name | Dorman 81101: Motor Mount Bolt Kit - Grade 8 |
| Item Weight | 4.48 ounces |
| Manufacturer | Dorman Products |
| Manufacturer Grade | Grade 8 |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Maximum Shear Strength | 550 MPa |
| Metal Type | Stainless Steel |
| Model | 81101 |
| Number Of Items | 1 |
| Number of Packs | 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 Count |
| Warranty Description | Limited Lifetime Warranty |

## Product Details

- **Exterior Finish:** Machined
- **Head Style:** Hexagon
- **Manufacturer Grade:** Grade 8
- **Material:** Stainless Steel
- **Thread Size:** 3/8"-16 UNC

## Images

![Dorman 81101 Motor Mount Bolt Kit - Grade 8 - Image 1](https://m.media-amazon.com/images/I/81xrYsANYvL.jpg)
![Dorman 81101 Motor Mount Bolt Kit - Grade 8 - Image 2](https://m.media-amazon.com/images/I/61raU24GA2L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by G***R on April 24, 2026*

Was the correct size i needed just haven't gotten them installed yet

### ⭐⭐⭐⭐⭐ Worked for OBS big block
*by V***7 on January 7, 2026*

Worked like a charm for big block Chevy into a 1995 C1500 - should work for all OBS big blocks using factory motor mounts. Note that the 4.3 V6 mounts use shorter bolts.

### ⭐⭐⭐⭐⭐ Perfect fit for small block Chevy
*by B***S on July 28, 2026*

Perfect fit for a 1974 GMC P3500 sporting a 350 small block Chevy.

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**Shop now:** [https://www.desertcart.tw/products/22304330-dorman-81101-motor-mount-bolt-kit-grade-8](https://www.desertcart.tw/products/22304330-dorman-81101-motor-mount-bolt-kit-grade-8)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-09-29*