Sierra 18-8833-1 MagForce Spark Plug Wire Set for 3.0L 4-Cylinder Delco EST Marine Engines, 1993 and Up

The Sierra 18-8833-1 MagForce Spark Plug Wire Set is a direct-fit ignition wire set engineered for 3.0L 4-cylinder marine engines with Delco EST ignition, 1993 and up. The set is described as "Electronics Friendly," shielding onboard electronic devices and electronic engine controls from RFI and EMI interference while still delivering maximum voltage to the spark plugs, which helps protect sensitive marine electronics from ignition-generated noise.

Each wire is built with a Kevlar core for durability and long service life, paired with a durable stainless steel wound conductor designed to support maximum horsepower and engine performance. The set includes moisture-proof, molded distributor insulators and a high-quality conductive center carrier for reliable spark delivery in a marine environment. The exact-fit design is intended to make installation straightforward while providing years of trouble-free service.

This set includes two 9 inch spark plug wires, two 15 inch spark plug wires, and one 9 inch coil wire, finished in white. It is built to fit 3.0L 4-cylinder engines using Delco EST ignition, 1993 and up.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-8833-1
• Product Type: Spark Plug Wire Set
• Ignition Type: Delco EST
• Engine Fitment: 3.0L, 4-cylinder
• Model Year Fitment: 1993 and up
• Spark Plug Wires: Two 9 inch wires, two 15 inch wires
• Coil Wire: One 9 inch wire
• Material: Stainless steel wound conductor with Kevlar core
• Color: White
• Dimensions: 10.25 x 7.25 x 2.75 inches
• Weight: 0.73 pounds

Fitment

Fits 3.0L 4-cylinder marine engines equipped with Delco EST ignition, 1993 and up.

Replaces (OEM)

No OEM cross-reference numbers are listed for this part.

Frequently Asked Questions

What engines does the Sierra 18-8833-1 spark plug wire set fit? The Sierra 18-8833-1 is built for 3.0L 4-cylinder marine engines using Delco EST ignition, 1993 and up.

How many wires come in the 18-8833-1 set? The set includes five wires total: two 9 inch spark plug wires, two 15 inch spark plug wires, and one 9 inch coil wire.

What material are the conductors made of? Each wire in the 18-8833-1 set uses a durable stainless steel wound conductor over a Kevlar core, chosen for durability and long service life.

Will these wires interfere with my boat's electronics? No. The 18-8833-1 MagForce wire set is designed to be electronics friendly, protecting onboard electronic devices and electronic engine controls from RFI and EMI while still delivering maximum voltage.

What color is the Sierra 18-8833-1 wire set? The 18-8833-1 spark plug wire set is white.

What are the dimensions of the packaged wire set? The Sierra 18-8833-1 measures 10.25 x 7.25 x 2.75 inches as packaged.

How much does the 18-8833-1 wire set weigh? This spark plug wire set weighs 0.73 pounds.

Is the 18-8833-1 a direct replacement for my factory wires? Yes, it is designed as an exact-fit set for 3.0L 4-cylinder engines with Delco EST ignition, 1993 and up, for straightforward installation.

Does the set include distributor cap insulation? Yes, the 18-8833-1 set features moisture-proof, molded distributor insulators along with a high-quality conductive center carrier.

Are OEM cross-reference numbers available for this part? No OEM cross-reference or replaces numbers are listed for the Sierra 18-8833-1 spark plug wire set.

Is this ignition set only for one specific coil wire length? The 18-8833-1 set pairs two spark plug wire lengths (9 inch and 15 inch) with a single 9 inch coil wire to match the 3.0L 4-cylinder Delco EST engine layout.

What ignition system does the 18-8833-1 support? This wire set is matched to Delco EST ignition systems on 3.0L 4-cylinder marine engines, 1993 and up.