NGK 51117 Spark Plug Wire Set

NGK Spark Plug Wire Set for Saturn SC2, SL2, SW2

NGK Spark Plug Wire Set 51117 is a direct-fit ignition wire set for select Saturn SC2, SL2, and SW2 applications. Built with silicone insulation and noise suppression, it supports stable spark delivery and clean ignition performance for daily driving and maintenance repairs.

Key Features

• Specific-fit spark plug wire set for confirmed Saturn applications
• Blue silicone insulation for heat resistance and durability
• Noise suppression design helps reduce ignition interference
• SMag core material for consistent electrical performance
• 7.00 mm insulation outside diameter
• NGK part number 51117 / stock number 51117

Product Details

NGK Spark Plug Wire Set 51117 is part of the NGK Spark Plug Wire Set line, a focused ignition product range backed by NGK’s long OE development history. NGK builds ignition components for domestic and import vehicles, and this wire set reflects that emphasis on OE-style fitment, durability, and operational consistency. This part cross-references DENSO Auto Parts (e.g., 671-4042) for the same application.

Compatible With 1996-2002 Saturn SC2, N/A; 1996-2002 Saturn SL2, N/A; 1996-2001 Saturn SW2, N/A; 1994-1995 Saturn SC2, N/A with Composite Cam Cover; 1994-1995 Saturn SL2, N/A with Composite Cam Cover; 1994-1995 Saturn SW2, N/A with Composite Cam Cover. Use NGK 51117 when replacing worn ignition wires on these Saturn models.

Common Issues This Part Addresses

• Misfires caused by worn or damaged spark plug wires
• Hard starting from weak or inconsistent spark transfer
• Ignition noise that can interfere with electrical operation
• Rough idle linked to deteriorated wire insulation or core wear
• Loss of ignition efficiency from heat-aged wire materials

Installation Notes and Tips

Match each wire to the correct cylinder routing before removal to avoid cross-connection. Inspect boots, terminals, and coil connections during installation, and confirm the wire set follows the factory routing path for the Saturn SC2, SL2, or SW2 application. For 1994-1995 vehicles, verify the composite cam cover note before ordering and installation.

Quality Assurance

NGK is an ignition specialist with extensive OE experience and global manufacturing standards. The 51117 wire set is produced to meet durability and operational performance expectations for replacement ignition service.