Dorman H38139 Brake Hydraulic Hose - Front Right

Dorman H38139 Brake Hydraulic Hose

Dorman H38139 is a brake hydraulic hose engineered for specific front-right applications on Chevrolet S10, Chevrolet S10 Blazer, GMC S15, GMC S15 Jimmy, and 1991 Oldsmobile Bravada. It is built to match the original hose’s fit, function, and performance for a direct brake repair on the listed vehicles.

Key Features

• Flexible brake hose with EPDM rubber construction and a black outer sleeve
• Front-right fitment for specific Chevrolet, GMC, and Oldsmobile applications
• Banjo end 1 fitting with 10 mm thread diameter
• End 2 uses male and female treated-steel fittings with 3/4 in-16 external and 3/8 in-24 internal dimensions
• Bracket included with stamped steel bracket material
• Gaskets or seals included for brake line connection points
• Overall length: 20 in; axis 1 length: 17.5 in

Detailed Description

This Dorman brake hydraulic hose is precision-engineered as an OE-style replacement for the front-right brake circuit on 1983-1990 Chevrolet S10, 1983-1990 Chevrolet S10 Blazer, 1983-1990 GMC S15, 1983-1990 GMC S15 Jimmy, and 1991 Oldsmobile Bravada with external threads on end. The hose uses treated-steel end fittings, an EPDM rubber hose body, and a stamped-steel bracket to match the original routing and connection style. Part number H38139 is also referenced in aftermarket catalogs under cross-reference numbers such as 18J2307 and 87-44031 for the same application.

Common Repair Uses

• Restoring brake fluid flow to a damaged or leaking front-right hose
• Replacing a cracked, swollen, or weathered rubber brake line
• Correcting soft brake pedal feel caused by hose deterioration
• Repairing corrosion at the hose fittings or bracket area
• Addressing brake warning symptoms tied to restricted hydraulic flow

Installation Notes and Tips

Verify the vehicle position before installation, since this hose is listed for the front right only. Compare the banjo end, thread sizes, bracket style, and overall length against the original hose before removal. Replace worn gaskets or seals during installation, and inspect adjacent hard lines, calipers, and mounting points for corrosion or damage. Proper brake bleeding is required after installation to remove air from the hydraulic system.

Quality Assurance

Dorman designs this brake hydraulic hose to match the fit, function, and performance of the original part on the specified vehicles and positions. The construction uses rubber hose material, treated-steel fittings, and included seals to support a durable brake repair on compatible Chevrolet S10, GMC S15, and Oldsmobile Bravada applications.