How it works — 3 easy steps
Confirm your year, make, model, cab and bed match this kit's fitment.
Remove the old rusted lines and drop in the pre-bent, pre-flared NiCopp replacements — no cutting or flaring.
Connect the pre-installed fittings, bleed the brakes, and you're back on the road.
Description
EZ-Fit NiCopp Brake Line Kit — Silverado & Sierra 2500 Extended-Cab Short Bed 4WD (2003-2004)
Give your HD GM pickup the corrosion-proof stopping power it deserves. The AGS EZ-Fit NiCopp® kit is precision-bent and location-tagged for 2003-2004 Chevrolet Silverado 2500 and GMC Sierra 2500 extended-cab, short-bed, four-wheel-drive trucks, so every tube clips into factory holders with zero guesswork. Made from nickel-copper alloy that shrugs off salt yet hand-tweaks easily for perfect alignment, each line arrives pre-flared with OEM-style zinc-plated fittings—no coil wrestling or flaring tools required. Clip, thread, torque, bleed; your truck is back to a rock-solid pedal in a single afternoon.
Key Features & Benefits
Exact 4WD Routing – CNC bends mirror the Ext-Cab short-bed 4×4 frame; no “close-enough” loops.
NiCopp® Alloy Tubing – DOT-approved, rust-proof, burst-rated to 10 000 PSI, heat-safe to 1 800 °F, yet easily hand-formable.
Pre-Flared with OEM Threads – Double flares and metric fittings install using basic hand tools.
Complete System Coverage – Master-cylinder, ABS block, front, rear, crossover, and over-axle lines plus new clips where required.
DIY-Friendly Tags & Guide – Every tube is clearly labeled and matched to an illustrated diagram, slashing install time.
Lifetime Durability – Resists salt spray, towing vibration, and chassis flex—engineered to outlast the truck.
Upgrade your 2003-2004 Silverado or Sierra 2500 with EZ-Fit NiCopp and hit the road—or the job site—confident that your brake lines are as tough as the work you demand from your truck.
Specifications
| Material | NiCopp (copper-nickel) alloy |
| Lines | Pre-bent & pre-flared to factory routing |
| Fittings | Correct fittings installed / included |
| Cutting / flaring | Not required — ready to install |
| Coverage | Complete hard-line replacement for the listed vehicle |
EZ-Fit Adjustable Tubing Straightener 3/16" to 3/8"
Brake & Fuel Line Bending Pliers - 3/16" & 1/4" O.D. Tubing
Tubing Bender 3/16" and 1/4"
Sil-Glyde Silicone Brake Lubricant