INA ZC-C743 Engine Timing Chain

Engine Timing Chain for Honda and Acura

INA ZC-C743 is a silent-style engine timing chain built for valve train service on select Honda and Acura applications. It uses 136 links and is engineered to meet or exceed OE quality and performance expectations for timing system repair.

Key Features

• Silent chain design for smooth timing operation
• 136-link construction
• Heat-treated plates and pins for controlled hardness and durability
• OE-style replacement for timing chain service
• Part number: ZC-C743

Detailed Description

INA ZC-C743 is an engine timing chain for the valve train system, built with heat-treated chain plates and pins to support consistent wear resistance and long-term performance. This silent chain design is used in timing system repairs where accurate camshaft and crankshaft synchronization is required. It cross-references part number 5530334100 for the same application. For buyers searching for a Honda Civic timing chain or an Acura ILX timing chain, ZC-C743 provides a direct replacement option within the listed fitment range.

Compatible With 2006-2015 Honda Civic, N/A; 2013-2015 Acura ILX, N/A; and 2016-2019 Honda HR-V, N/A. It also fits 2020 Honda HR-V, N/A. The part number ZC-C743 is listed across these applications, making it a practical reference when matching timing chain service parts for Honda Civic and Honda HR-V engine repair.

What It Helps Address

• Timing chain stretch or wear found during engine service
• Noise from a worn timing chain assembly
• Loss of camshaft and crankshaft synchronization
• Timing system repair on select Honda Civic, Honda HR-V, and Acura ILX engines
• Replacement of an OE-style chain identified by part number ZC-C743

Installation Notes and Tips

Confirm engine code and timing system configuration before installation. Replace the chain only after verifying sprockets, guides, and tensioner condition, since worn related components can affect timing accuracy. Follow factory service procedures for timing alignment and final inspection after assembly.

Quality Assurance

INA states that its timing chains are built to meet or exceed OE quality and performance standards. The chain plates and pins are heat treated to precise hardness levels to support durability in engine timing service.