ABS 421142 Brake Caliper

ABS 421142 Brake Caliper – Overview

The ABS 421142 Brake Caliper is a high‑performance component designed for the front right side of various automotive platforms, including Opel, Saab, Cadillac, and Vauxhall. It serves as an integral part of the vehicle’s braking system, translating hydraulic pressure into mechanical force that clamps the brake pads against the rotor to slow or stop the wheel.

Key Functional Attributes

• Material Composition: Constructed from lightweight yet durable aluminum alloy, ensuring optimal heat dissipation and reduced unsprung mass.
• Design Geometry: Engineered with a dual‑pivot mounting arrangement that provides precise pad alignment and consistent braking performance across varying road conditions.
• Hydraulic Compatibility: Fully compatible with standard ABS hydraulic circuits, enabling seamless integration into existing brake systems without the need for additional adapters or modifications.
• Thermal Management: Features a vented caliper body that promotes airflow around the rotor surface, mitigating heat buildup during prolonged braking sessions such as hill descents or spirited driving.

Vehicle Compatibility Matrix

The ABS 421142 Brake Caliper is engineered to fit a broad spectrum of models. Below is an exhaustive list of supported vehicles:

Installation and Maintenance Guidelines

Although the product is a finished component, proper installation ensures longevity and optimal braking performance.

1. Preparation: Verify that the wheel hub and rotor are clean. Remove any debris or old brake pad shims before mounting.
2. Mounting Procedure: Align the caliper with the pre‑drilled holes on the vehicle’s suspension arm. Secure using the supplied bolts, tightening to the manufacturer’s torque specifications.
3. Brake Pad Installation: Insert new brake pads into the caliper housing, ensuring that the pad faces are correctly oriented. Use a pad spreader if necessary to maintain even contact with the rotor.
4. Hydraulic System Check: After installation, bleed the braking system to eliminate air pockets and confirm consistent pedal feel.
5. Periodic Inspection: Inspect for signs of wear such as uneven pad wear patterns or caliper piston movement. Replace components promptly if anomalies are detected.

Performance Characteristics

The ABS 421142 Brake Caliper delivers consistent stopping power through its robust design and material selection. Key performance metrics include:

• Brake Force Distribution: Evenly balanced between front wheels, contributing to vehicle stability during deceleration.
• Heat Resistance: Maintains structural integrity up to temperatures exceeding 400 °C, preventing brake fade under high‑load conditions.
• Weight Reduction: Lightweight construction reduces unsprung mass by approximately 12% compared to standard cast iron calipers, enhancing ride quality and handling dynamics.

Technical Specifications Summary

Common Terminology and Language Variants

The product is referenced across multiple languages and markets, often under different nomenclature. Below are the most frequently encountered terms:

• English: Brake Caliper, ABS 421142
• Spanish: Pinza de freno, Pinza de travão
• German: Bremssattel, Remklauw
• French: Étrier de frein, Pinça de travão (Portuguese)
• Italian: Pinza di freno

Conclusion

The ABS 421142 Brake Caliper exemplifies engineering precision tailored for high‑performance braking across a diverse range of vehicles. Its aluminum construction, vented design, and compatibility with standard ABS systems make it an indispensable component for drivers seeking reliable stopping power without compromising vehicle dynamics.