Sierra 18-8830-1 Marine Ignition Coil and Spark Plug Wire Set, Replaces Mallory 9-28024

The Sierra 18-8830-1 Wiring Plug Set is a complete marine ignition wire kit consisting of one coil wire and eight spark plug wires supplied in four matched pairs of different lengths, allowing correct routing to each cylinder position on the engine. Each wire is engineered to meet or exceed the specifications of the original equipment part it replaces, giving boat owners a reliable way to restore ignition performance when factory wiring becomes cracked, brittle, or unreliable from prolonged heat and marine exposure. The set is sold as a single kit (1 count) and is intended as a direct equivalent to the original ignition wiring it replaces.

The coil wire measures 16 inches, while the spark plug wires are supplied in pairs at 275 inches, 305 inches, 345 inches, and 415 inches to match the varying distances from the distributor or coil to each cylinder. As a Sierra product, it is backed by Sierra's customer satisfaction warranty, which covers the product against defects in workmanship and materials for the useful life of the product, subject to Sierra's additional warranty terms.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-8830-1
• Included Components: Wiring, Plug Set
• Unit Count: 1
• Coil Wire Length: 16 inches
• Spark Plug Wire Length (pair): 275 inches
• Spark Plug Wire Length (pair): 305 inches
• Spark Plug Wire Length (pair): 345 inches
• Spark Plug Wire Length (pair): 415 inches
• Weight: 0.18 pounds
• UPC: 808282194574

Fitment

Fitment details for specific engine models are not specified for this part number; this wire set is cross-referenced to the Mallory ignition part listed below.

Replaces (OEM)

• Mallory 9-28024

Frequently Asked Questions

What does the Sierra 18-8830-1 Wiring Plug Set include? It includes one coil wire measuring 16 inches and eight spark plug wires supplied as four matched pairs at 275 inches, 305 inches, 345 inches, and 415 inches, sold as a single 1-count kit.

Is Sierra 18-8830-1 the same as Mallory 9-28024? Yes, Sierra part number 18-8830-1 cross-references directly to Mallory part number 9-28024.

How much does the 18-8830-1 wiring plug set weigh? The complete set weighs 0.18 pounds.

Are Sierra ignition wires built to original equipment standards? Sierra states that the 18-8830-1 wire set is engineered to meet or exceed the specifications of the original equipment part it replaces.

Why are the spark plug wires different lengths in this set? The 18-8830-1 kit is supplied with four different wire pair lengths (275, 305, 345, and 415 inches) so each wire can correctly reach its corresponding cylinder position from the coil or distributor.

Does the 18-8830-1 kit include the coil wire? Yes, a single 16 inch coil wire is included in addition to the eight spark plug wires.

What is the UPC for Sierra 18-8830-1? The UPC for the Sierra 18-8830-1 Wiring Plug Set is 808282194574.

Is Sierra 18-8830-1 covered by a warranty? Yes, it qualifies for Sierra's customer satisfaction warranty, which covers defects in workmanship and materials for the useful life of the product, subject to Sierra's additional warranty terms and conditions.

How many wires come in the Sierra 18-8830-1 set? The set totals nine wires: one 16 inch coil wire plus eight spark plug wires in four pairs of differing lengths.

Is the 18-8830-1 sold as a complete set or individual wires? It is sold as one complete kit (unit count of 1) containing the coil wire and all eight spark plug wires together.