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Dorman 680-104CD Exhaust Manifold Nut
Durable Brass Exhaust Manifold Nuts for Chevrolet Corvette
The Dorman 680-104CD exhaust manifold nuts are designed specifically for Chevrolet Corvette models, providing reliable fastening for your vehicle's exhaust manifold. Crafted from brass, these hex nuts offer corrosion resistance and a precise fit to maintain exhaust system integrity.
- Material: Brass for corrosion resistance and durability
- Thread Direction: Clockwise for standard installation
- Hex Size: 9/16 inch for compatibility with common tools
- Thread Type: Coarse SAE threads for secure fastening
- Inside Diameter: 0.31 inches ensuring proper fit
- Height and Depth: 0.628 inches for consistent engagement
- Seat Type: Ball seat for optimal sealing on exhaust manifold studs
- Package Contents: Set of 6 hex nuts
Product Details and Specifications
The Dorman 680-104CD exhaust manifold nuts are manufactured from brass, providing a natural corrosion-resistant finish that withstands the high-temperature environment of the exhaust system. These nuts feature a standard grade with coarse SAE threads and a ball seat type, which helps ensure a tight seal on the exhaust manifold studs. The hex design with a 9/16 inch size allows for easy installation and removal using standard hand tools. With a height and depth of 0.628 inches, these nuts provide consistent thread engagement without the need for washers or locking features.
Compatible Vehicles and Applications
These exhaust manifold nuts are compatible with Chevrolet Corvette models, making them a suitable replacement part for maintaining or repairing the exhaust system. The Dorman 680-104CD part number corresponds directly to the hardware specifications required for proper fitment on Corvette exhaust manifolds, ensuring secure fastening and reliable performance.
- Replacement for worn or damaged exhaust manifold nuts
- Prevents exhaust leaks caused by loose or stripped nuts
- Restores proper exhaust manifold sealing and alignment
- Helps maintain exhaust system integrity and performance
- Ideal for routine maintenance or exhaust system repairs
Installation Notes and Tips
When installing the Dorman 680-104CD exhaust manifold nuts, ensure the exhaust manifold studs are clean and free of debris to promote proper thread engagement. Use a 9/16 inch wrench or socket to tighten the nuts clockwise to the manufacturer’s specified torque settings. Since these nuts do not include washers or locking features, verify that the threads are in good condition to prevent loosening during operation. Avoid over-tightening to prevent damage to the studs or nuts.
Quality Assurance and Warranty
Dorman exhaust manifold nuts are manufactured to meet industry standards for fit and function. While these nuts are not heat hardened or ACQ rated, their brass construction offers natural resistance to corrosion in exhaust environments. The Dorman 680-104CD part is backed by Dorman’s quality control processes to ensure consistent performance. Please refer to Dorman’s warranty policy for specific coverage details.
| Brand | Dorman |
|---|---|
| Part Number | 680-104CD |
| ACQ Rated | No |
| Color | Brass |
| Depth | 0.628 |
| FQA Compliant Fastener | No |
| Friction Material Thickness | Brass |
| Heat Hardened | No |
| Height | 0.628 |
| Hex Size | 9/16 |
| Inside Diameter | 0.31 |
| Locking | No |
| Material | Brass |
| Metric Or SAE | SAE |
| Nut Grade | Standard |
| Package Contents | 6 Hex Nuts |
| Seat Type | Ball |
| Shouldered End | No |
| Thread Direction | Clockwise |
| Thread Location | Inside |
| Thread Type | Coarse |
| Type | Hex |
| Washer Attached | No |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1982 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1981 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1980 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1979 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1978 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1977 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1976 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1975 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1974 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1973 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1972 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1971 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1970 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1969 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1968 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1967 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1966 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1965 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1964 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1963 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1962 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1961 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1960 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1959 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1958 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1957 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1956 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1955 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1954 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
| 1953 | Chevrolet | Corvette | N/A | Nut Only; Exhaust Pipe |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.