ABS SL 3428 Brake Hose

ABS SL 3428 Brake Hose

The ABS SL 3428 Brake Hose is a high‑performance hydraulic line designed for front and rear braking systems in a wide range of automotive models, particularly those from the Mazda 323 series. Manufactured with precision engineering, this hose delivers reliable pressure transmission while resisting heat, abrasion, and chemical degradation.

Design & Construction

The hose features a multi‑layer construction that includes an inner PTFE (polytetrafluoroethylene) liner for low friction and excellent sealing properties. Surrounding the liner is a reinforced braided steel wire layer that provides tensile strength and prevents kinking under load. The outer sheath is made from a durable, weather‑resistant elastomer that protects against UV exposure, ozone, and temperature extremes.

Key design attributes:

• Inner Liner: PTFE for smooth flow and chemical resistance.
• Reinforcement: Stainless steel braid to maintain shape under pressure.
• Outer Sheath: High‑grade elastomer with UV stabilizers.
• Threaded Ends: Standard M10x1.0 banjo fittings for quick installation.

Material Quality & Durability

The ABS SL 3428 is engineered to withstand continuous pressure cycles up to 300 psi (pounds per square inch) without compromising integrity. Its PTFE core resists hydrocarbon solvents, brake fluid additives, and temperature fluctuations ranging from -40°C to +120°C. The braided steel layer ensures that the hose can endure flexing and vibration typical in automotive environments.

Compatibility & Fitment

This brake hose is specifically designed for:

• Mazda 323 II, III Hatchback (Front & Rear)
• Mazda 323 IV Family (Front & Rear)
• Other vehicles requiring a 440 mm length and M10x1.0 banjo fittings.

It is available in both left‑hand and right‑hand versions, ensuring correct orientation for front or rear application. The hose’s dimensions match the original equipment specifications, allowing for seamless replacement without modification to existing brake lines.

Installation Guidelines

1. Preparation: Clean all mating surfaces with a solvent to remove oil, dirt, and old sealant.
2. Threading: Apply a thin layer of brake fluid or anti‑seize compound to the banjo threads before screwing into the caliper or wheel cylinder.
3. Connection: Tighten the banjo fittings to the recommended torque (typically 12–15 Nm) using a calibrated torque wrench.
4. Bleeding: After installation, bleed the brake system to remove air pockets and ensure optimal hydraulic performance.

Performance Characteristics

The ABS SL 3428 delivers consistent pressure transmission with minimal fluid loss. Its low‑friction PTFE core reduces drag, while the reinforced braid maintains structural integrity under high braking loads. The hose’s resistance to thermal expansion ensures that brake pedal feel remains stable across temperature variations.

Key Performance Metrics

• Maximum operating pressure: 300 psi
• Temperature range: -40°C to +120°C
• Length: 440 mm (standard)
• Thread size: M10x1.0 banjo

Maintenance & Inspection