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Dorman 700-257BX Bumper Impact Absorber Bracket Bolt - Front
Durable Bumper Impact Absorber Bracket Bolt for Chevrolet and Oldsmobile
The Dorman 700-257BX bumper impact absorber bracket bolt is engineered to provide reliable fastening for your vehicle's body components. Designed specifically for Chevrolet Celebrity and Oldsmobile Cutlass models, this bolt ensures secure attachment and long-lasting performance.
- Constructed from heat-hardened steel for enhanced strength
- Black phosphate finish for corrosion resistance
- Metric M8-1.25 x 30 mm size with coarse thread type
- Includes attached washer for improved load distribution
- Grade 9.8 bolt for high tensile strength
- Hex head drive with 13 mm tool size for easy installation
- Thread length of 25.4 mm with 1.25 thread pitch
- Package contains 10 bolts for multiple repairs
Technical Details and Specifications
The Dorman 700-257BX is a body bolt designed to secure bumper impact absorber brackets on select Chevrolet and Oldsmobile vehicles. Made from heat-hardened steel, this bolt offers durability under stress and resistance to wear. The black phosphate finish helps protect against rust and corrosion, extending the service life of the fastener. Featuring a coarse metric thread (M8-1.25) and a thread length of 25.4 mm, it provides a secure fit with reliable torque retention. The attached washer enhances load distribution, reducing the risk of damage to mounting surfaces. The hex head design with a 13 mm tool size allows for straightforward installation and removal.
Compatible Vehicles and Applications
This bumper impact absorber bracket bolt is compatible with the following vehicles:
- Chevrolet Celebrity
- Oldsmobile Cutlass Cruiser
- Oldsmobile Cutlass Salon
- Oldsmobile Cutlass Supreme
It is intended for use in securing bumper impact absorber brackets, ensuring proper alignment and attachment of bumper components.
Common Issues Addressed by This Bolt
- Loose or missing bumper bracket fasteners causing misalignment
- Corroded or damaged bolts compromising bumper stability
- Wear from vibration leading to fastener failure
- Replacement during bumper repair or restoration
- Ensuring proper torque and secure fit for impact absorption
Installation Notes and Tips
- Use a 13 mm hex socket or wrench for installation
- Ensure threads are clean and free of debris before installation
- Do not overtighten to avoid stripping threads or damaging components
- Verify proper torque specifications for your specific vehicle model
- Replace all related fasteners if multiple bolts show signs of wear
Quality Assurance and Warranty
Dorman manufactures this bumper impact absorber bracket bolt to meet or exceed OEM specifications for fit and function. The heat-hardened steel construction and phosphate finish contribute to its durability and corrosion resistance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman's official documentation for complete warranty information.
| Brand | Dorman |
| Part Number | 700-257BX |
| Bolt Grade | 9.8 |
| Callout Size | M8-1.25 X 30 mm |
| Color | Black |
| Friction Material Thickness | Phosphate |
| Head Drive Type | Hex |
| Head Tool Size | 13 |
| Heat Hardened | Yes |
| Length | 30 mm |
| Material | Steel |
| Package Contents | 10 Bolts |
| Partial Thread | No |
| SAE or Metric | Metric |
| Thread Diameter | 8 |
| Thread Length | 25.4 |
| Thread Pitch | 1.25 |
| Thread Type | Coarse |
| Threads Per Inch | 1.25 |
| Type | Body Bolt |
| Washer Attached | Yes |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Body Type | # Doors | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Oldsmobile | Cutlass Salon | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1987 | Oldsmobile | Cutlass Supreme | Sedan | 4 Door | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box |
| 1987 | Oldsmobile | Cutlass Supreme | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1986 | Oldsmobile | Cutlass Salon | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1986 | Oldsmobile | Cutlass Supreme | Sedan | 4 Door | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box |
| 1986 | Oldsmobile | Cutlass Supreme | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1985 | Chevrolet | Celebrity | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box | ||
| 1985 | Chevrolet | Celebrity | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1985 | Oldsmobile | Cutlass Salon | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1985 | Oldsmobile | Cutlass Supreme | Sedan | 4 Door | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box |
| 1985 | Oldsmobile | Cutlass Supreme | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1984 | Chevrolet | Celebrity | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box | ||
| 1984 | Chevrolet | Celebrity | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1984 | Oldsmobile | Cutlass Supreme | Sedan | 4 Door | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box |
| 1984 | Oldsmobile | Cutlass Supreme | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1983 | Oldsmobile | Cutlass Cruiser | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box | ||
| 1983 | Oldsmobile | Cutlass Supreme | Sedan | 4 Door | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box |
| 1983 | Oldsmobile | Cutlass Supreme | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box | ||
| 1982 | Oldsmobile | Cutlass Cruiser | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box | ||
| 1982 | Oldsmobile | Cutlass Supreme | Sedan | 4 Door | Front | M8 x 1.25 Thread; Energy Absorber Bracket; Dorman; Package Quantity: 10; Packaging Type: Box |
| 1982 | Oldsmobile | Cutlass Supreme | N/A | Front Bumper; Package Quantity: 10; Packaging Type: Box |
* 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.