Dorman 628-100 Clutch Hydraulic Line

Clutch Hydraulic Line for Manual Transmission Service

This Dorman clutch hydraulic line is built to match the fit and function of the original line on specified vehicles. It is made from polymers for durability and reliable performance in manual transmission clutch hydraulic systems.

Compatible with 1988-1991 Chevrolet C1500, C2500, C3500, K1500, K2500, and K3500, as well as 1988-1991 GMC C1500, C2500, C3500, K1500, K2500, and K3500 applications. Part number 628-100 is a direct-fit replacement for common clutch line service needs on these trucks.

Key Features

• Clutch hydraulic line for manual transmission components
• Polymer construction for durability
• 53-inch length for specified vehicle routing
• Male threads on both ends
• 0.27 in. outside diameter
• Installation hardware included
• Designed to match original fit and function

Detailed Description

Dorman 628-100 is a clutch hydraulic line engineered for specified Chevrolet and GMC truck applications from 1988-1991. It follows the original line layout and connection style, with male-threaded ends and a 53-inch overall length to support proper routing in the clutch hydraulic system. The polymer line construction is selected for dependable service in manual transmission use, and the included hardware helps support a complete replacement installation. This part cross-references OE-style replacement numbers such as 15585421 and 85-100 for the same application.

Common Problems This Part Can Address

• Cracked or leaking clutch hydraulic line
• Soft or inconsistent clutch pedal feel caused by hydraulic loss
• Difficulty disengaging the clutch due to line failure
• Fluid seepage at threaded connections
• Restoration of worn or damaged factory clutch plumbing

Installation Notes and Tips

Verify the vehicle’s clutch hydraulic routing, thread style, and line length before installation. Inspect the master cylinder and slave cylinder connections for wear or contamination, and bleed the hydraulic system after replacement to remove air from the line. Confirm fitment for your specific Chevrolet C1500, GMC K2500, or other listed truck before final assembly.

Quality Assurance

Dorman designs this clutch hydraulic line to match original fit and function on the listed vehicles. The part number 628-100 is built for direct replacement service in compatible Chevrolet and GMC manual transmission applications.