Skip to product information
1 of 6

2X Front Extended Brake Line 89340S for GMC C15 C25 K15 K25 Suburban 1971-1991

2X Front Extended Brake Line 89340S for GMC C15 C25 K15 K25 Suburban 1971-1991

Regular price $87.59
Regular price Sale price $87.59
Sale Sold out
Quantity

2X Front Extended Brake Line 89340S for GMC C15 C25 K15 K25 Suburban 1971-1991

This pair of front extended brake lines, cross-referenced as 89340S, is designed for GMC C15, C25, K15, K25, and Suburban models from 1971 to 1991, delivering reliable hydraulic pressure to your front calipers.

Overview

These front extended brake lines replace worn or short original hoses, providing a direct connection between the chassis and front brake calipers. They are built to restore firm pedal feel and safe stopping power on classic GMC pickup trucks and Suburbans. This set of two front extended brake lines ensures both sides are replaced at once for balanced braking.

Built For Performance

  • Extended length accommodates lifted suspensions or stock routing on 1971-1991 GMC trucks
  • Stainless steel braided exterior resists abrasion and corrosion
  • Includes banjo fittings and sealing washers for a secure connection
  • Reinforced PTFE inner core prevents expansion under high brake pressure
  • OEM cross-reference 89340S matches factory specifications

Fits These Machines

  • for GMC C15 (1971-1991)
  • for GMC C25 (1971-1991)
  • for GMC K15 (1971-1991)
  • for GMC K25 (1971-1991)
  • for GMC Suburban (1971-1991)

On-The-Job Use

  • Daily driving on classic GMC pickups needing dependable brake response
  • Off-road or lifted trucks where extended length is required
  • Restoration projects replacing aged rubber hoses
  • Trailer towing where consistent brake performance is critical

Specs At A Glance

Part Number(s) 89340S
Quantity 2
Type Front extended brake line
Material Stainless steel braided

Good To Know

Q: Will these fit a stock height truck? A: Yes, the extended length works for both stock and slightly lifted applications, giving extra slack without causing kinks.

Q: Are the correct fittings included? A: Each line comes with banjo fittings and sealing washers, ready for a direct bolt-on installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.

Get it between -

View full details