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Dorman H66707 Brake Hydraulic Hose - Front Left or Front Right
Reliable Brake Hydraulic Hose for Select GM Vehicles
The Dorman H66707 brake hydraulic hose is designed to provide dependable brake fluid transfer for a range of Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety in your vehicle's braking system.
- Compatible with Buick LeSabre, Pontiac Firebird, Chevrolet Camaro, GMC Jimmy, and other select models
- Overall length of 12.62 inches for precise fitment
- Constructed with EPDM rubber hose and black rubber outer sleeve for durability
- Ends feature treated steel fittings: male 7/16 in-20 thread and female 3/8 in-24 inside diameter
- Flexible hose design allows for reliable brake fluid flow under various driving conditions
Durable Construction and Precise Fitment
The Dorman H66707 brake hydraulic hose is built with an EPDM rubber hose core, known for its resistance to heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends of the hose are equipped with treated steel fittings—male on one end and female on the other—to ensure secure connections within the brake system. With an overall length of 12.62 inches, this flexible hose is designed to fit specific models including the Chevrolet Blazer, Pontiac Grand Prix, Buick Riviera, and GMC C10 Suburban, among others.
Applications and Common Issues Addressed
- Replacement of worn or cracked brake hydraulic hoses causing fluid leaks
- Resolving brake pedal softness due to hose expansion or damage
- Addressing brake fluid contamination from deteriorated hose materials
- Fixing brake system failures related to improper hose fitment or damage
- Upgrading aging brake lines to maintain braking system integrity
Installation Notes and Tips
When installing the Dorman H66707 brake hydraulic hose, ensure the vehicle is securely lifted and supported. Carefully remove the old hose, avoiding contamination of the brake fluid system. Verify that the male 7/16 in-20 and female 3/8 in-24 fittings match the vehicle’s brake line connections. Use appropriate brake line wrenches to prevent damage to fittings during removal and installation. After installation, bleed the brake system thoroughly to remove air and restore proper brake function.
Quality Assurance and Warranty
Dorman manufactures the H66707 brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of treated steel fittings and EPDM rubber materials ensures durability and resistance to common brake system stresses. While mounting hardware, brackets, and gaskets are not included, the hose is designed for direct replacement applications. Dorman typically offers a limited warranty on their brake hoses; please refer to the product packaging or official documentation for specific warranty details.
| Brand | Dorman |
|---|---|
| Part Number | H66707 |
| Bracket Included | No |
| Color | Black |
| Describe Type | Flexible Hose |
| End 1 Fitting Material | Treated Steel |
| End 1 Fitting Type | Male |
| End 1 Thread Diameter | 7/16 in-20 |
| End 2 Fitting Inside Diameter | 3/8 in-24 |
| End 2 Fitting Material | Treated Steel |
| End 2 Fitting Type | Female |
| Gasket Or Seal Included | No |
| Hose Material | EPDM Rubber |
| Jacket Included | No |
| Mounting Hardware Included | No |
| Outer Sleeve Material | Rubber |
| Overall Length | 12.62 |
| Package Contents | 1 Brake Hose |
This part fits 66 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1974 | Chevrolet | Nova | Front Left | |
| 1974 | Chevrolet | Nova | Front Right | |
| 1974 | Oldsmobile | Omega | Front Left | |
| 1974 | Oldsmobile | Omega | Front Right | |
| 1973 | Chevrolet | Nova | Front Left | |
| 1973 | Chevrolet | Nova | Front Right | |
| 1973 | Oldsmobile | Omega | Front Left | |
| 1973 | Oldsmobile | Omega | Front Right | |
| 1972 | Chevrolet | Nova | Front Left | |
| 1972 | Chevrolet | Nova | Front Right | |
| 1971 | Chevrolet | Nova | Front Left | |
| 1971 | Chevrolet | Nova | Front Right | |
| 1970 | Chevrolet | Blazer | Front Left | w/Rear Wheel Drive (RWD) |
| 1970 | Chevrolet | Blazer | Front Right | w/Rear Wheel Drive (RWD) |
| 1970 | Chevrolet | Nova | Front Left | |
| 1970 | Chevrolet | Nova | Front Right | |
| 1970 | GMC | Jimmy | Front Left | w/Rear Wheel Drive (RWD) |
| 1970 | GMC | Jimmy | Front Right | w/Rear Wheel Drive (RWD) |
| 1969 | Chevrolet | Blazer | Front Left | w/Rear Wheel Drive (RWD) |
| 1969 | Chevrolet | Blazer | Front Right | w/Rear Wheel Drive (RWD) |
| 1969 | Chevrolet | Camaro | Front Left | |
| 1969 | Chevrolet | Camaro | Front Right | |
| 1969 | Pontiac | Firebird | Front Left | |
| 1969 | Pontiac | Firebird | Front Right | |
| 1968 | Chevrolet | C10 Suburban | Front Left | |
| 1968 | Chevrolet | C10 Suburban | Front Right | |
| 1968 | Chevrolet | C20 Suburban | Front Left | |
| 1968 | Chevrolet | C20 Suburban | Front Right | |
| 1968 | Chevrolet | Camaro | Front Left | |
| 1968 | Chevrolet | Camaro | Front Right | |
| 1968 | Pontiac | Bonneville | Front Left | |
| 1968 | Pontiac | Bonneville | Front Right | |
| 1968 | Pontiac | Catalina | Front Left | |
| 1968 | Pontiac | Catalina | Front Right | |
| 1968 | Pontiac | Firebird | Front Left | |
| 1968 | Pontiac | Firebird | Front Right | |
| 1968 | Pontiac | Grand Prix | Front Left | |
| 1968 | Pontiac | Grand Prix | Front Right | |
| 1967 | Buick | LeSabre | Front Left | |
| 1967 | Buick | LeSabre | Front Right | |
| 1967 | Chevrolet | C10 Suburban | Front Left | |
| 1967 | Chevrolet | C10 Suburban | Front Right | |
| 1967 | Chevrolet | C20 Suburban | Front Left | |
| 1967 | Chevrolet | C20 Suburban | Front Right | |
| 1967 | Chevrolet | Camaro | Front Left | |
| 1967 | Chevrolet | Camaro | Front Right | |
| 1967 | Pontiac | Bonneville | Front Left | |
| 1967 | Pontiac | Bonneville | Front Right | |
| 1967 | Pontiac | Catalina | Front Left | |
| 1967 | Pontiac | Catalina | Front Right | |
| 1967 | Pontiac | Firebird | Front Left | |
| 1967 | Pontiac | Firebird | Front Right | |
| 1967 | Pontiac | Grand Prix | Front Left | U.S.A. Market |
| 1967 | Pontiac | Grand Prix | Front Right | U.S.A. Market |
| 1966 | Buick | LeSabre | Front Left | |
| 1966 | Buick | LeSabre | Front Right | |
| 1966 | Buick | Riviera | Front Left | |
| 1966 | Buick | Riviera | Front Right | |
| 1966 | Pontiac | Bonneville | Front Left | |
| 1966 | Pontiac | Bonneville | Front Right | |
| 1966 | Pontiac | Catalina | Front Left | |
| 1966 | Pontiac | Catalina | Front Right | |
| 1966 | Pontiac | Grand Prix | Front Left | |
| 1966 | Pontiac | Grand Prix | Front Right | |
| 1965 | Buick | LeSabre | Front Left | |
| 1965 | Buick | LeSabre | Front Right |
* 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.