Dorman 678-004 Starter Bolt
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Dorman 678-004 Starter Bolt
Dorman 678-004 is a starter bolt. It is for for Use With GM 2.0L/ 2.5L/ 3.4L Engines.
Features & Benefits
- Flange
- Mounting Bolt
- Carbon Steel
- Hex Style
Specifications
| Manufacturer Part Number | 678-004 |
| Type | Starter Bolt |
| UPC | 019495681045 |
| Weight | 1.89 lb |
| Dimensions | 4.81 x 3.63 x 2.19 in |
| Application | For Use With GM 2.0L/ 2.5L/ 3.4L Engines |
| Size | 10 Millimeter Head Diameter |
Frequently Asked Questions
What size is this starter bolt?
This is size 10 Millimeter Head Diameter. Check the brand's size chart when fit is critical.
What are the key construction details?
Dorman features carbon Steel. See Features & Benefits and Specifications for the full list.
How much does this product weigh?
This item weighs approximately 1.89 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

