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Dorman H620430 Brake Hydraulic Hose - Front Left
Reliable Brake Hydraulic Hose for Chevrolet and GMC Vehicles
The Dorman H620430 brake hydraulic hose is designed to provide dependable brake fluid transfer for Chevrolet Astra, GMC Astro, and Safari models. Engineered with durable materials and precise fittings, this flexible hose ensures consistent brake performance and safety.
- Compatible with Chevrolet Astra, GMC Astro, and Safari models
- Flexible EPDM rubber hose with a black plastic outer sleeve
- Includes stamped steel bracket and gaskets for secure installation
- End fittings made of treated steel: banjo fitting on one end and female fitting on the other
- Overall length of 22.5 inches with a 20.75-inch axis length
Durable Construction and Design Features
The Dorman H620430 brake hydraulic hose features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black plastic outer sleeve protects the hose from abrasion and environmental damage. This hose includes a stamped steel bracket for mounting stability and gaskets to ensure a leak-free seal. The treated steel fittings—banjo type on one end with a 10 mm thread diameter and female fitting on the other with a 7/16 in-24 inside diameter—are designed for secure connections within the brake system.
Applications and Problem Solving
This brake hydraulic hose is intended for use in the brake systems of Chevrolet Astra, GMC Astro, and Safari vehicles. It addresses common brake line issues such as:
- Cracked or leaking brake hoses causing fluid loss
- Worn or damaged fittings leading to brake fluid leaks
- Hose deterioration from heat and environmental exposure
- Loose or missing mounting brackets affecting hose stability
- Brake system performance issues due to compromised hose integrity
Installation Notes and Tips
Installation of the Dorman H620430 brake hydraulic hose requires proper brake system knowledge and tools. Ensure the vehicle is safely lifted and supported before beginning. Replace the hose along with the included gaskets to maintain a secure seal. The stamped steel bracket should be mounted firmly to prevent hose movement. Bleed the brake system thoroughly after installation to remove air and restore proper brake function.
Quality Assurance and Warranty
Dorman brake hydraulic hoses are manufactured to meet or exceed OEM specifications for fit, form, and function. The H620430 part undergoes rigorous quality control to ensure durability and reliability in demanding brake system applications. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | H620430 |
| Axis 1 Length | 20.75 |
| Bracket Included | Yes |
| Bracket Material | Stamped Steel |
| Color | Black |
| Describe Type | Flexible Hose |
| End 1 Fitting Material | Treated Steel |
| End 1 Fitting Type | Banjo |
| End 1 Thread Diameter | 10 mm |
| End 2 Fitting Inside Diameter | 7/16 in-24 |
| End 2 Fitting Material | Treated Steel |
| End 2 Fitting Type | Female |
| Gasket Or Seal Included | Yes |
| Hose Material | EPDM Rubber |
| Jacket Included | Yes |
| Mounting Hardware Included | No |
| Outer Sleeve Material | Plastic |
| Overall Length | 22.5 |
| Package Contents | 1 Brake Hose; Gaskets |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2006 | Chevrolet | Astra | Front Left | AWD | |
| 2005 | Chevrolet | Astro | AWD | Front Left | |
| 2005 | GMC | Safari | AWD | Front Left | |
| 2004 | Chevrolet | Astro | AWD | Front Left | |
| 2004 | GMC | Safari | AWD | Front Left | |
| 2003 | Chevrolet | Astro | AWD | Front Left | |
| 2003 | GMC | Safari | AWD | Front Left |
* 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.