Knock Sensors Wiring Harness Kit for Chevy Suburban

If your GM truck or SUV is running rough, throwing codes, or experiencing reduced performance, a worn knock sensor or broken wiring harness may be the cause. This JOYOJUMA kit bundles two knock sensors plus the matching harness and intake manifold gasket solutions designed to fit numerous Chevy, GMC, Cadillac and Pontiac vehicles. Built to match OE fitment and withstand vibration, the set is intended as a direct-replacement service part for common GM V8 and V6 applications.

Which vehicles and engines does this kit fit?

The kit was engineered for GM applications using 4.8L, 5.3L and 6.0L engines and fits many Chevy Silverado, Suburban, Tahoe, Avalanche, Camaro, and GMC Sierra and Yukon models. It also covers several model years of Hummer and other GM-based vehicles when those engines were used.

• Compatible OE references: 12601822, 12589867, 917-033 and related numbers.
• Common fitments: Silverado 1500/2500/3500, GMC Sierra 1500/2500/3500, Suburban, Tahoe, Yukon, Avalanche, Camaro.
• Includes parts to suit models from early 2000s model years where the listed engines were factory installed.

How durable and reliable is the JOYOJUMA sensor and harness kit?

Materials and construction prioritize longevity: the harness uses corrosion-resistant wiring and reinforced connectors to reduce failure from heat and movement. Each sensor in the kit undergoes accelerometer vibration testing to ensure it withstands the operating environment under the intake manifold.

• Corrosion-resistant wiring and robust connector housings.
• Sensors tested for vibration and mechanical durability.
• Designed to resist breakage common at factory harness routing points.

What exactly is included in the package and how does installation look?

The kit contains two knock sensors and one knock sensor harness, along with the necessary gaskets or fittings for intake manifold-related seal points as specified. Installation is direct-replacement: remove the old sensors and harness, transfer any required clips, and install the JOYOJUMA parts using factory torque specs and routing.

• Contents: 2x knock sensors, 1x knock sensor harness, intake manifold gasket components where applicable.
• Installation notes: follow factory service manual for sensor locations, torque, and connector mating.
• OE part cross-references included to confirm fitment before beginning work.

What warranty and support are offered if something goes wrong?

JOYOJUMA backs this kit with a 14-month warranty that covers manufacturing defects and premature failures under normal use. If you encounter an issue, contact customer support for troubleshooting, replacement parts, or a refund according to the warranty terms.

• 14-month limited warranty with free exchange or refund options.
• Customer support available for fitment or installation questions.
• OE part numbers listed to help verify correct ordering before installation.

Who is this for? Technicians, DIY enthusiasts, and fleet owners who need a dependable, OEM-compatible replacement for failed knock sensors or damaged harnesses on GM 4.8L, 5.3L, and 6.0L engines will find this JOYOJUMA kit useful. It’s tailored for anyone restoring engine management reliability on Silverado, Sierra, Suburban, Tahoe, Yukon, Avalanche, Camaro and similar models, offering tested sensors, a reinforced harness, and the fitment references needed for confident installation.