TRW BHN314 Disc-Brake Caliper

TRW BHN314 Disc‑Brake Caliper

The TRW BHN314 Disc‑Brake Caliper is a high‑performance braking component engineered for rear wheel applications on a wide range of light commercial and passenger vehicles. Designed with precision machining and advanced materials, this caliper delivers consistent stopping power, durability, and ease of installation.

Key Design Features

• Aluminum Construction: The caliper housing is fabricated from lightweight yet robust aluminum alloy, reducing unsprung mass while maintaining structural integrity under high thermal loads.
• Dual‑Piston Operation: Equipped with two pistons that provide even pressure distribution across the brake disc, ensuring uniform wear and optimal braking performance.
• Integrated Cooling Channels: Internal cooling passages allow efficient heat dissipation during prolonged braking sessions, mitigating fade and preserving braking efficiency.
• Standardized Mounting Interface: The caliper features a universal mounting bracket compatible with OEM and aftermarket brake systems for Opel, Chevrolet, Vauxhall, and other manufacturers.
• Corrosion‑Resistant Finish: A protective coating resists rust and corrosion, extending the service life even in harsh environmental conditions.

Compatibility Overview

The BHN314 is specifically engineered for rear wheel applications on a variety of models. While the product name remains consistent across languages, its application spans numerous vehicle platforms:

• Rear right calipers for Opel Astra G, Astra CC, and Astra Caravan
• Rear right calipers for Meriva A and Zafira A
• Compatible with Chevrolet and Vauxhall models that share the same chassis architecture as Opel vehicles.
• Applicable to both gasoline and diesel variants, including 1.2L, 1.8L, and 2.0L engines across the 1998‑2003 model years.

Installation Highlights

Installing the BHN314 caliper is straightforward for technicians familiar with standard disc brake systems:

1. Remove Existing Caliper: Detach the old caliper by loosening the mounting bolts and carefully disconnecting the hydraulic line.
2. Prepare the New Caliper: Apply a thin layer of anti‑seize compound to the pistons and ensure the mounting bracket is clean.
3. Mount the Caliper: Align the new caliper with the wheel hub, secure it using the supplied bolts, and torque to manufacturer specifications.
4. Hydraulic Re‑pressurization: Bleed the brake system to eliminate air pockets, ensuring optimal piston movement.
5. Final Inspection: Verify proper alignment, check for leaks, and perform a test drive to confirm braking performance.

Performance Characteristics

The BHN314 delivers reliable stopping power under a variety of driving conditions. Its dual‑piston design ensures balanced pressure distribution, reducing the likelihood of uneven pad wear. The aluminum housing’s thermal conductivity keeps operating temperatures within safe limits, while the integrated cooling channels further enhance heat dissipation during aggressive braking.

Maintenance Tips

• Inspect pistons and seals annually for signs of wear or leakage.
• Replace brake pads when pad thickness falls below manufacturer‑specified minimum.
• Clean the caliper housing periodically to prevent corrosion, especially in coastal or high‑humidity environments.
• Use only OEM or approved aftermarket hydraulic fluid compatible with the vehicle’s braking system.

Why Choose the TRW BHN314?

The combination of lightweight aluminum construction, dual‑piston operation, and proven compatibility across a broad range of vehicles makes the TRW BHN314 Disc‑Brake Caliper an excellent choice for both OEM replacements and high‑performance aftermarket upgrades. Its design prioritizes safety, durability, and ease of service, ensuring that drivers receive consistent braking performance throughout the vehicle’s lifespan.

Technical Specifications Summary

For technicians and vehicle owners seeking a reliable, high‑quality rear disc brake caliper, the TRW BHN314 Disc‑Brake Caliper stands out as a proven solution that blends performance with practicality.