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Dorman H73278 Brake Hydraulic Hose
Reliable Brake Hydraulic Hose for Dodge, Mercury, and Oldsmobile Vehicles
The Dorman H73278 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Dodge, Mercury, and Oldsmobile models. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety in your vehicle's braking system.
- Constructed with EPDM rubber hose material for flexibility and resistance to heat and chemicals
- Black outer sleeve made of rubber for added protection and durability
- Ends feature treated steel fittings: male fitting with 7/16 in-20 thread diameter and female fitting with 3/8 in-24 inside diameter
- Overall hose length of 13.8 inches to match specific vehicle requirements
- Includes one brake hydraulic hose per package; mounting hardware and brackets are not included
Durable Construction and Precise Fitment
This Dorman brake hydraulic hose (part number H73278) is manufactured with an EPDM rubber hose core that offers excellent flexibility and resistance to brake fluid, heat, and environmental factors. The black rubber outer sleeve adds an extra layer of protection against abrasion and wear. Both ends of the hose are equipped with treated steel fittings—male on one end and female on the other—to ensure secure and leak-free connections. The 13.8-inch length is tailored to fit specific models, including Dodge Challenger, Charger, Dart, Ramcharger, Mercury Marauder, and Oldsmobile Cutlass, Colony Park, and Starfire, among others.
Compatible Vehicles and Applications
This brake hydraulic hose is compatible with a range of Dodge, Mercury, and Oldsmobile vehicles, including:
- Dodge Challenger and Charger (1998 models)
- Dodge Dart and Ramcharger
- Mercury Marauder
- Oldsmobile Cutlass, Colony Park, and Starfire
- Chevrolet W100, W200, and W300 trucks
Common Issues Addressed by This Brake Hose
- Brake fluid leaks caused by cracked or worn hoses
- Reduced brake responsiveness due to hose deterioration
- Swelling or bulging of old brake hoses under pressure
- Corrosion or damage to fittings leading to fluid loss
- Incompatibility or improper fit of replacement hoses
Installation Notes and Tips
- Ensure the vehicle is securely lifted and supported before beginning brake hose replacement
- Inspect all brake system components for wear or damage during installation
- Use proper tools to avoid damaging the treated steel fittings
- Bleed the brake system thoroughly after hose installation to remove air
- Verify hose length and fitting types match the original equipment specifications
Quality Assurance and Warranty Information
Dorman manufactures the H73278 brake hydraulic hose to meet or exceed OEM standards for fit, form, and function. The use of EPDM rubber and treated steel fittings ensures durability and reliable performance under normal operating conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman's official warranty policy for complete information.
| Brand | Dorman |
| Part Number | H73278 |
| 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 | 13.8 |
| Package Contents | 1 Brake Hose |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1975 | Dodge | Ramcharger | 4WD | Front Left Inner | |
| 1975 | Dodge | Ramcharger | 4WD | Front Right Inner | |
| 1975 | Dodge | W100 | Front Left Inner | ||
| 1975 | Dodge | W100 | Front Right Inner | ||
| 1975 | Dodge | W200 | Front Left Inner | ||
| 1975 | Dodge | W200 | Front Right Inner | ||
| 1975 | Dodge | W300 | Front Left Inner | ||
| 1975 | Dodge | W300 | Front Right Inner | ||
| 1974 | Dodge | Ramcharger | Front Left Inner | w/4 Wheel Drive (4WD) | |
| 1974 | Dodge | Ramcharger | Front Right Inner | w/4 Wheel Drive (4WD) | |
| 1971 | Dodge | Challenger | Rear Left | ||
| 1971 | Dodge | Challenger | Rear Right | ||
| 1971 | Dodge | Dart | Rear Left | ||
| 1971 | Dodge | Dart | Rear Right | ||
| 1970 | Dodge | Charger | Rear Left | ||
| 1970 | Dodge | Charger | Rear Right | ||
| 1970 | Dodge | Dart | Rear Left | ||
| 1970 | Dodge | Dart | Rear Right | ||
| 1969 | Mercury | Colony Park | Front Left | To 4/01/69 | |
| 1969 | Mercury | Colony Park | Front Right | To 4/01/69 | |
| 1969 | Mercury | Marauder | Front Left | ||
| 1969 | Mercury | Marauder | Front Right | ||
| 1964 | Oldsmobile | 98 | Front Left | ||
| 1964 | Oldsmobile | 98 | Front Right | ||
| 1963 | Oldsmobile | 98 | Front Left | ||
| 1963 | Oldsmobile | 98 | Front Right | ||
| 1963 | Oldsmobile | Cutlass | Front Left | ||
| 1963 | Oldsmobile | Cutlass | Front Right | ||
| 1963 | Oldsmobile | Starfire | Front Left | ||
| 1963 | Oldsmobile | Starfire | Front Right | ||
| 1962 | Oldsmobile | Cutlass | Front Left | ||
| 1962 | Oldsmobile | Cutlass | Front Right | ||
| 1962 | Oldsmobile | Starfire | Front Left | ||
| 1962 | Oldsmobile | Starfire | Front Right | ||
| 1961 | Oldsmobile | Starfire | Front Left | ||
| 1961 | Oldsmobile | Starfire | 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.