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Dorman H381342 Brake Hydraulic Hose - Front Left or Front Right
Reliable Brake Hydraulic Hose for Chevrolet and GMC Vehicles
The Dorman H381342 brake hydraulic hose is designed to provide dependable brake fluid transfer for select Chevrolet and GMC models. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety for your vehicle's braking system.
- Compatible with Chevrolet Blazer, GMC Jimmy, Chevrolet S10, and GMC Sonoma
- Constructed with EPDM rubber hose material and a black rubber outer sleeve
- Includes gaskets for a secure and leak-free installation
- Ends feature treated steel fittings: banjo fitting on one end and female fitting on the other
- Overall length of 11.88 inches with a flexible design for optimal fitment
Durable Construction and Precise Fitment
This Dorman brake hydraulic hose (part number H381342) is built with EPDM rubber, 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—one banjo fitting with a 10 mm thread diameter and one female fitting with a 7/16 in-24 inside diameter—ensuring a secure connection to your vehicle's brake system. The included gaskets help maintain a tight seal, preventing leaks and maintaining brake system integrity.
Compatible Vehicles and Applications
This brake hydraulic hose is specifically designed for use with the following vehicles:
- Chevrolet Blazer
- GMC Jimmy
- Chevrolet S10
- GMC Sonoma
It is ideal for replacing worn or damaged brake hoses that can cause brake fluid leaks, reduced braking efficiency, or spongy brake pedal feel.
Common Issues Addressed by This Brake Hose
- Brake fluid leaks due to cracked or deteriorated hoses
- Reduced brake responsiveness caused by hose swelling or internal damage
- Brake pedal softness or sponginess from compromised hydraulic lines
- Corrosion or damage to fittings leading to fluid loss
- Wear from abrasion or environmental exposure
Installation Notes and Tips
Installation of the Dorman H381342 brake hydraulic hose requires basic mechanical skills and proper tools. Ensure the vehicle is securely lifted and supported before beginning. When removing the old hose, take care to avoid contaminating the brake system with dirt or debris. Replace the gaskets included with the new hose to ensure a leak-free seal. After installation, bleed the brake system thoroughly to remove any air and restore proper brake function.
Quality Assurance and Warranty
Dorman manufactures this brake hydraulic hose to meet or exceed OEM specifications for fit, form, and function. The use of treated steel fittings and EPDM rubber materials supports long-term durability and resistance to brake fluid and environmental factors. This part comes with a limited warranty against defects in materials and workmanship, providing confidence in its reliability for your Chevrolet or GMC vehicle.
| Brand | Dorman |
| Part Number | H381342 |
| Axis 1 Length | 11.5 |
| Bracket Included | No |
| 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 | Rubber |
| Overall Length | 11.88 |
| Package Contents | 1 Brake Hose; Gaskets |
This part fits 40 vehicles. Search below:
| Year | Make | Model | # Doors | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Chevrolet | Blazer | 4 Door | RWD | Front Left | |
| 2005 | Chevrolet | Blazer | 2 Door | RWD | Front Left | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2005 | Chevrolet | Blazer | 4 Door | RWD | Front Right | |
| 2005 | Chevrolet | Blazer | 2 Door | RWD | Front Right | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2004 | Chevrolet | Blazer | 4 Door | RWD | Front Left | |
| 2004 | Chevrolet | Blazer | 2 Door | RWD | Front Left | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2004 | Chevrolet | Blazer | 4 Door | RWD | Front Right | |
| 2004 | Chevrolet | Blazer | 2 Door | RWD | Front Right | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2004 | GMC | Jimmy | 4 Door | RWD | Front Left | |
| 2004 | GMC | Jimmy | 2 Door | RWD | Front Left | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2004 | GMC | Jimmy | 4 Door | RWD | Front Right | |
| 2004 | GMC | Jimmy | 2 Door | RWD | Front Right | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2003 | Chevrolet | Blazer | 4 Door | RWD | Front Left | |
| 2003 | Chevrolet | Blazer | 2 Door | RWD | Front Left | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2003 | Chevrolet | Blazer | 4 Door | RWD | Front Right | |
| 2003 | Chevrolet | Blazer | 2 Door | RWD | Front Right | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2003 | Chevrolet | S10 | RWD | Front Left | ||
| 2003 | Chevrolet | S10 | RWD | Front Right | ||
| 2003 | GMC | Jimmy | 4 Door | RWD | Front Left | |
| 2003 | GMC | Jimmy | 2 Door | RWD | Front Left | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2003 | GMC | Jimmy | 4 Door | RWD | Front Right | |
| 2003 | GMC | Jimmy | 2 Door | RWD | Front Right | wo/RPO Code Z87 (Low Rider Package); wo/RPO Code ZR2 (High Wider Package) |
| 2003 | GMC | Sonoma | RWD | Front Left | ||
| 2003 | GMC | Sonoma | RWD | Front Right | ||
| 2002 | Chevrolet | Blazer | RWD | Front Left | ||
| 2002 | Chevrolet | Blazer | RWD | Front Right | ||
| 2002 | GMC | Jimmy | RWD | Front Left | ||
| 2002 | GMC | Jimmy | RWD | Front Right | ||
| 2001 | Chevrolet | Blazer | RWD | Front Left | ||
| 2001 | Chevrolet | Blazer | RWD | Front Right | ||
| 2001 | GMC | Jimmy | RWD | Front Left | ||
| 2001 | GMC | Jimmy | RWD | Front Right | ||
| 2000 | Chevrolet | Blazer | 4 Door | RWD | Front Left | 11th Digit of VIN is K |
| 2000 | Chevrolet | Blazer | 2 Door | RWD | Front Left | |
| 2000 | Chevrolet | Blazer | 4 Door | RWD | Front Right | 11th Digit of VIN is K |
| 2000 | Chevrolet | Blazer | 2 Door | RWD | Front Right | |
| 2000 | GMC | Jimmy | 4 Door | RWD | Front Left | 11th Digit of VIN is K |
| 2000 | GMC | Jimmy | 2 Door | RWD | Front Left | |
| 2000 | GMC | Jimmy | 4 Door | RWD | Front Right | 11th Digit of VIN is K |
| 2000 | GMC | Jimmy | 2 Door | RWD | 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.