Delphi XS10393 Spark Plug Wire Set

Delphi XS10393 Spark Plug Wire Set

Delphi XS10393 is a spark plug wire set built for ignition service on select Buick, Pontiac, and Oldsmobile applications. It uses wire-wound composite high-temp construction to support stable spark delivery in demanding underhood conditions.

Key Features

• Wire-wound composite high-temp construction for ignition wire durability
• OE-based engineering informed by Delphi’s long history supplying original equipment
• Direct replacement spark plug wire set for service on confirmed applications
• Package contents include the spark plug wire set and instruction sheet
• Fits 2006-2007 Buick Lucerne, N/A
• Fits 1999-2005 Buick LeSabre, N/A
• Fits 1998-2005 Buick Park Avenue, N/A
• Fits 1999-2005 Pontiac Bonneville, N/A
• Fits 1999 Oldsmobile 88, N/A
• Fits 1999 Oldsmobile LSS, N/A

Detailed Description

Delphi XS10393 spark plug wire set is engineered for ignition systems that need consistent electrical transfer and heat resistance. The wire-wound composite high-temp design helps maintain signal integrity in the engine bay, while Delphi’s OE heritage brings original-equipment knowledge to the aftermarket replacement part. This part number, XS10393, is a direct fit for select Buick Lucerne, Buick LeSabre, Buick Park Avenue, Pontiac Bonneville, Oldsmobile 88, and Oldsmobile LSS applications.

This part cross-references DENSO Auto Parts 671-6064 and Gates 78976 for the same application.

Common Uses

• Restoring weak or inconsistent spark delivery
• Replacing aged or heat-damaged ignition wires
• Addressing misfire-related drivability concerns tied to worn plug wires
• Correcting rough idle caused by deteriorated ignition wire insulation
• Supporting reliable ignition performance on Buick LeSabre and Pontiac Bonneville applications

Installation Notes

Verify engine configuration and wire routing before installation. Match each lead to the correct cylinder and follow the included instruction sheet for routing and terminal placement. Inspect spark plugs, coil connections, and boots during service to avoid repeat ignition faults. Confirm fitment by vehicle year, make, and model before ordering XS10393.

Quality Assurance

Delphi draws on more than a century of OE experience and supplier knowledge used by major automakers. That OE background is built into this aftermarket spark plug wire set for consistent service on confirmed Buick, Pontiac, and Oldsmobile fitments.