Skip to product information
1_1cb636e2-1c5f-41ba-88cf-99734939e4fb - Northline Parts

Front Stainless Brake Lines for 1971-1978 GMC K25 Jimmy Chevrolet 4-6" 89340S

Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$85.19
Sale price  $85.19 Regular price 

In Stock

Ships Nationwide in 2–4 business days.

Questions? We're here to help!

Talk with a parts expert today

Call us

I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Front Stainless Steel Brake Lines for 1971-1978 GMC K25 & Chevrolet Jimmy (4-6" Lift)

Upgrade your classic rig's stopping power and safety with these high-performance front stainless steel brake lines. Designed specifically for 1971-1978 GMC K25 and Chevrolet Jimmy models equipped with a 4 to 6-inch lift, these aftermarket lines provide superior durability and a more responsive braking feel compared to standard factory rubber hoses. Whether you're hitting the trails or cruising the highway, these lines are built to withstand pressure and environmental wear while ensuring your lifted truck performs at its best.

Key Features & Benefits

  • Braided stainless steel construction prevents line expansion under heavy braking for a firmer, more consistent pedal feel.
  • Corrosion-resistant outer layer ensures long-lasting performance and protection against the elements.
  • Extended length is specifically engineered to accommodate 4-6 inch suspension lifts safely.
  • High-quality aftermarket replacement offers a perfect blend of performance and value without the OEM price tag.

Compatible Models

  • 1971-1978 GMC K25
  • 1971-1978 Chevrolet Jimmy
  • Fits vehicles with 4" to 6" suspension lift kits

Product Specifications

  • Part Number: 89340S
  • Placement on Vehicle: Front (Driver and Passenger Sides)
  • Material: Braided Stainless Steel
  • Product Type: Aftermarket Replacement

Frequently Asked Questions

Is this an OEM part?
No, this is a high-quality aftermarket replacement part designed to provide enhanced performance and durability compared to the original factory equipment.

How do I confirm compatibility?
To ensure a perfect fit, verify that your vehicle falls within the 1971-1978 year range and is equipped with a 4-6" suspension lift. You can also match the reference part number 89340S with your current vehicle requirements.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

Need Any Help?

Work 1-on-1 With An Expert For:

  • The Right Part Selection
  • Our Best Pricing Tiers
  • Priority Customer Support
  • White Glove Installations
  • Flexible Payment Options

Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

Complete This Form

You may also like

Keywords (Used as search references only) View IP policy.