Carry ignition voltage to each spark plug with this Delphi spark plug wire set, part number XS10389, built with OE boots, terminals and lead lengths for a no-hassle install. It fits many vehicles, among them the 1999-2006 Chevrolet Silverado 1500 V8-4.8L and V8-5.3L, the 1999-2006 GMC Sierra 1500 V8-4.8L and V8-5.3L, and the 2000-2006 Chevrolet Tahoe V8-4.8L and V8-5.3L. It is a direct-fit replacement for the listed applications; see the "Vehicles it fits" section for the full list.
Delphi draws on a long OE heritage. Its global technical requirements include design specifications and validation testing based on more than 100 years of OE experience, and its material selections, thicknesses and types are built from OE specifications. Strict manufacturing processes are in place for quality control on every part it makes.
- Pre-greased spark plug boots: help make installation quicker.
- OE boots, terminals and lead lengths: intended for a no-hassle installation.
- OE-quality replacement: designed for the right fit, form and function.
- Proven materials: Delphi backs its ignition parts with materials such as high-quality stainless steel and insulating rubber.
Signs a plug wire set may need replacing include engine misfires, a rough idle, hesitation under load, or cracked or burned insulation. If worn wires are the cause, this set replaces them.
The package contains the spark plug wire set and an instruction sheet, and the listed applications use one set. Country of origin: Brazil.
Interchange: RC-GMX090 · RC-GMX091 · 35-PF77862
RCGMX090 · RCGMX091 · 35PF77862 · 748HH · 9748HH · CH7872 · CH7872SP · 09017 · 12731654 · 19206447 · 19351570 · 19351572 · 88894394 · 51033 · 51054 · PD2840 · 700989 · 118063 · 7873 · 7874 · QW1223
This part cross-references / interchanges with the following part numbers:
748HH, 9748HH, CH7872, CH7872SP, 09017, 12731654, 19206447, 19351570, 19351572, 88894394, 51033, 51054, RC-GMX090, RC-GMX091, PD2840, 35-PF77862, 700989, 118063, 7873, 7874, QW1223
Frequently Asked Questions
What does a spark plug wire set do?
It carries high voltage from the ignition system to each spark plug, and insulated leads keep that voltage on its intended path to the plug.
Will this fit a 1999-2006 Chevrolet Silverado 1500 V8-5.3L?
Yes, it is listed for the 1999-2006 Chevrolet Silverado 1500 V8-4.8L and V8-5.3L. Check the "Vehicles it fits" section to confirm your exact vehicle and engine.
What is included in the package?
The package contains the spark plug wire set and an instruction sheet. The listed applications use one set.
What makes these wires easier to install?
The spark plug boots come pre-greased, and the OE boots, terminals and lead lengths are intended for a no-hassle install. Follow the included instruction sheet and the vehicle's service information.
What are signs my spark plug wires may need replacing?
Common signs include misfires, a rough idle, hesitation under load, or cracked or burned insulation. Diagnose the cause first, since coils and plugs can produce similar symptoms.
