OE Quality
60-Day Returns

Dorman H38066 Brake Hydraulic Hose - Front Left
Reliable Brake Hydraulic Hose for Chevrolet and GMC Trucks
The Dorman H38066 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet and GMC truck models. Engineered with durable materials and precise fittings, this brake hose ensures consistent braking performance for your C10, C1500, R10, and R1500 vehicles.
- Compatible with Chevrolet C10, C10 Suburban, C1500, C1500 Suburban, GMC R10, and R1500 models
- Flexible EPDM rubber hose with a black outer sleeve for durability
- Includes stamped steel bracket and gaskets for secure installation
- End fittings made of treated steel with banjo and male/female types
- Overall length of 22.38 inches with precise thread diameters for proper fit
Durable Construction and Precise Fitment
The Dorman H38066 brake hydraulic hose features a flexible EPDM rubber hose material that resists heat, ozone, and brake fluid degradation. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. This hose includes a stamped steel bracket and gaskets to ensure a secure and leak-free connection. The treated steel banjo fitting on one end and male/female fittings on the other provide reliable attachment points compatible with the brake systems of Chevrolet and GMC trucks listed. With an overall length of 22.38 inches and specific thread diameters (10 mm on end 1 and 5/8 in-18 external, 3/8 in-24 internal on end 2), this hose is engineered for precise fitment and optimal brake fluid flow.
Compatible Vehicles and Applications
- Designed for Chevrolet C10 and C10 Suburban models
- Fits Chevrolet C1500 and C1500 Suburban trucks
- Compatible with GMC R10 and R1500 vehicles
- Used to replace worn or damaged brake hydraulic hoses in these models
- Helps maintain proper brake fluid pressure and braking response
Installation Notes and Tips
- Bracket and gaskets are included for a complete installation
- Mounting hardware is not included; reuse existing hardware or source separately
- Ensure all fittings are tightened to manufacturer torque specifications
- Inspect brake lines and fittings for leaks after installation
- Bleed the brake system thoroughly to remove air and ensure proper function
Quality Assurance and Warranty
Dorman manufactures the H38066 brake hydraulic hose to meet or exceed OEM standards for durability and performance. The use of treated steel fittings and stamped steel brackets ensures corrosion resistance and long service life. This part is backed by Dorman's quality assurance processes, providing confidence in its reliability for Chevrolet and GMC truck brake systems. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | H38066 |
| Axis 1 Length | 20.63 |
| 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 | 5/8 in-18 ext; 3/8 in-24 int |
| End 2 Fitting Material | Treated Steel |
| End 2 Fitting Type | Male; Female |
| Gasket Or Seal Included | Yes |
| Hose Material | EPDM Rubber |
| Jacket Included | No |
| Mounting Hardware Included | No |
| Outer Sleeve Material | Rubber |
| Overall Length | 22.38 |
| Package Contents | 1 Brake Hose; Gaskets |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 1987 | Chevrolet | R10 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1987 | GMC | R1500 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1986 | Chevrolet | C10 | GAS | Front Left | |
| 1986 | Chevrolet | C10 Suburban | GAS | Front Left | |
| 1986 | GMC | C1500 | GAS | Front Left | |
| 1986 | GMC | C1500 Suburban | GAS | Front Left | |
| 1985 | Chevrolet | C10 | GAS | Front Left | |
| 1985 | Chevrolet | C10 Suburban | GAS | Front Left | |
| 1985 | GMC | C1500 | GAS | Front Left | |
| 1985 | GMC | C1500 Suburban | GAS | Front Left | |
| 1984 | Chevrolet | C10 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1984 | GMC | C1500 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1983 | Chevrolet | C10 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1983 | GMC | C1500 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1982 | Chevrolet | C10 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1982 | GMC | C1500 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1981 | Chevrolet | C10 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
| 1981 | GMC | C1500 | GAS | Front Left | 11 In. x 2 In. Brakes; w/RPO Code JB1 (Manual Brakes, Front Disc, Rear Drum); w/RPO Code JB3 (Power Brakes, Vacuum Boosted, Front Disc, Rear Drum) |
* 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.