NGK 51031 Spark Plug Wire Set

NGK Spark Plug Wire Set for OE-Style Ignition Service

The NGK Spark Plug Wire Set, part number 51031, is a specific-fit ignition wire set built for select GM applications that need stable spark delivery and noise suppression. It uses silicone insulation with a blue outer jacket and a ferro mag core to support consistent ignition performance in everyday driving.

Compatible with Buick Allure, Buick LaCrosse, Buick Lucerne, Buick Regal, Chevrolet Impala, Chevrolet Lumina, Chevrolet Monte Carlo, and Pontiac Grand Prix applications listed below, this NGK Spark Plug Wire Set 51031 is a direct replacement option for vehicles that require OE-style wire routing and suppression characteristics.

Key Features

• Specific-fit NGK spark plug wire set for listed Buick, Chevrolet, and Pontiac applications
• Silicone insulation for heat resistance and durability
• Ferro mag core construction
• Noise suppression type: yes
• Blue insulation color for easy identification
• 7.00 mm insulation outside diameter
• Part number 51031 / RC-GMX085

Product Details

NGK Spark Plug Wire Set 51031 is part of NGK’s ignition product line, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets. NGK applies long-standing OE-focused manufacturing experience to ignition components built for domestic and import vehicles, with attention to durability and operational performance. This wire set is a specific-fit replacement for vehicles that require the listed application match and noise suppression support.

This part cross-references Standard Ignition 7708 for the same application.

What This Wire Set Helps Address

• Misfires caused by worn or damaged spark plug wires
• Intermittent ignition performance from cracked insulation
• Radio-frequency interference in ignition systems that need suppression
• Hard starting related to weak spark transfer
• Rough idle or hesitation linked to deteriorated wire resistance

Installation Notes and Fitment

Verify engine layout, coil location, and application notes before installation. Fits 2005-2009 Buick Allure. Fits 2005-2009 Buick LaCrosse. Fits 2007-2008 Buick Lucerne. Fits 1997-2008 Pontiac Grand Prix. Fits 2000-2005 Chevrolet Impala. Fits 2000-2005 Chevrolet Monte Carlo. Fits 1997-2004 Buick Regal. Fits 2000-2003 Chevrolet Impala, ignition coil mounted on left side of engine block (radiator side). Fits 2000-2003 Chevrolet Monte Carlo, ignition coil mounted on left side of engine block (radiator side). Fits 2000-2001 Chevrolet Lumina, with noise suppression; RPO code UN9.

Quality Assurance

NGK is an established ignition component manufacturer with extensive OE experience and global production support. Part number 51031 is built to meet the durability and performance expectations associated with NGK ignition replacement parts.