Carry ignition voltage to every cylinder with the Delphi spark plug wire set, part number XS10388. It is an OE-quality replacement designed for the right fit, form and function. It fits many vehicles, among them the 1999-2006 Chevrolet Silverado 1500 4.8L / 5.3L / 6.0L, 1999-2006 GMC Sierra 1500 4.8L / 5.3L / 6.0L and 1999-2004 Chevrolet Silverado 2500 5.3L / 6.0L. The listed applications use V8-4.8L, V8-5.3L or V8-6.0L engines. See the "Vehicles it fits" section for the full list and engine details.
Delphi brings more than 100 years of OE experience to its parts. Its global technical requirements cover design specifications and validation testing. Material selections, thicknesses and types are taken from OE specifications, and strict manufacturing processes support quality control on every part.
- Pre-greased boots: The spark plug boots come pre-greased for quicker installation.
- OE boots, terminals and lead lengths: These are designed for a no-hassle installation.
- OE-quality replacement: The set is built for the right fit, form and function on the listed applications.
- In the box: The package contains the spark plug wire set and an instruction sheet. The listed applications use one set.
Spark plug wires carry high-voltage current from the ignition system to the plugs. Signs a set may need replacing include misfires, a rough idle, hesitation, and cracked or burned boots. If worn wires are the cause, this set replaces them. Diagnose the ignition system before replacing parts. Country of origin: Brazil.
Interchange: RC-GMX091 · 35-PF77866
RCGMX091 · 35PF77866 · 748GG · 9748GG · CH7872SP · CH7875 · 09017 · 19351571 · 19417606 · 88894393 · 51033 · 700989 · 118064 · 7873 · 7874 · QW1219
This part cross-references / interchanges with the following part numbers:
748GG, 9748GG, CH7872SP, CH7875, 09017, 19351571, 19417606, 88894393, 51033, RC-GMX091, 35-PF77866, 700989, 118064, 7873, 7874, QW1219
Frequently Asked Questions
What does the Delphi XS10388 spark plug wire set do?
It carries high-voltage ignition current to the spark plugs. Delphi uses OE boots, terminals and lead lengths for the right fit, form and function.
Which vehicles does the XS10388 wire set fit?
It fits many vehicles, including the 1999-2006 Chevrolet Silverado 1500 4.8L / 5.3L / 6.0L, 1999-2006 GMC Sierra 1500 4.8L / 5.3L / 6.0L and 1999-2004 Chevrolet Silverado 2500 5.3L / 6.0L. See the "Vehicles it fits" section for the rest.
What is included in the package?
The package contains the spark plug wire set and an instruction sheet. The listed applications use one set.
Is the set difficult to install?
The spark plug boots come pre-greased for quicker installation. The OE boots, terminals and lead lengths are designed for a no-hassle fit. Follow the included instruction sheet.
What are signs that plug wires may need replacing?
Misfires, a rough idle, hesitation, or cracked or burned boots can be signs of worn wires. Other ignition or fuel faults can cause the same symptoms, so diagnose the cause first.
