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Dorman 700-257BX Bumper Impact Absorber Bracket Bolt - Front
| Brand | Dorman 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 |
| Fits | Oldsmobile and Chevrolet · 21 vehicles |
Corrosion-tested strength. Built from steel with a phosphate finish for lasting durability.
Heat-hardened construction. Helps deliver the strength needed for secure fastening.
Integrated washer. Simplifies installation with a ready-to-use body bolt design.
Cross-references 11501188 for the same application. See all 1.
Dorman 700-257BX Bumper Bracket Bolts
Dorman 700-257BX bumper impact absorber bracket bolts are built for front bumper energy absorber bracket service on select GM vehicles. These metric body bolts use durable steel construction, a black phosphate finish, and corrosion-tested materials to support strength and long-term service life.
Key Features
- Steel body bolt with black phosphate finish
- Metric M8-1.25 x 30 mm callout size
- Hex head with 13 mm tool size
- Grade 9.8 bolt with heat-hardened construction
- Washer attached for secure fastening
- Coarse thread, 1.25 thread pitch
- Body hardware for front bumper impact absorber bracket applications
Product Details
This Dorman bumper impact absorber bracket bolt is a direct-fit body fastener for front bumper energy absorber bracket service on applications such as the Chevrolet Celebrity, Oldsmobile Cutlass Supreme, Oldsmobile Cutlass Cruiser, and Oldsmobile Cutlass Salon. The M8 x 1.25 thread specification, 30 mm length, and hex-drive head make it a practical replacement when restoring bumper mounting hardware on these vehicles. Part number 700-257BX is also referenced as an OE-style replacement for the same application.
Common Uses
- Replacing corroded or damaged front bumper bracket bolts
- Restoring secure attachment at the energy absorber bracket
- Addressing stripped or weakened body fasteners
- Repairing bumper hardware after front-end service
- Matching metric bumper bolt specifications on select GM models
Installation Notes
Verify thread size, pitch, length, and head tool size before installation. Use the correct 13 mm hex tool and confirm the fastener seats properly against the bracket and body mounting surface. For best results, compare the original bolt specification to the vehicle service information before tightening.
Quality Assurance
Dorman manufactures these bolts using durable materials and corrosion-tested construction to help maintain required strength and longevity in body hardware applications. Part number 700-257BX is built for consistent fitment on confirmed front bumper and energy absorber bracket applications.
| 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 |
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