Sierra Wiring Plug Set 18-8832-1 for 7.4L and 8.2L 8-Cylinder Delco EST Engines 1993-2000

The Sierra Wiring Plug Set 18-8832-1 is a MAGFORCE ignition wire set engineered for 7.4L and 8.2L 8-cylinder marine engines equipped with Delco EST ignition systems from 1993 to 2000. Built with a Mag/Wire wound core, the set delivers maximum spark voltage to the plugs while actively shielding radio frequency interference (RFI) and electro magnetic interference (EMI) from onboard electronics and engine controls, making it an electronics friendly upgrade for engines running sensitive marine electronics. Each wire uses a high-quality conductive center carrier reinforcement to maintain conductor integrity over years of service, along with a high tensile strength membrane that adds durability and resists heat breakdown in the engine compartment. Moisture-proof, molded distributor insulators seal out water intrusion at the distributor connection, and a screw-down cap secures the wire set firmly in place to prevent vibration-related disconnects common in marine environments. The exact-fit design is built to the dimensions of the original 7.4L/8.2L Delco EST ignition wiring, so installation is a direct swap with no modification needed. This wire set is intended as a full-set replacement rather than a single wire, restoring reliable spark delivery on engines whose original ignition wiring has degraded from heat, moisture, or age.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-8832-1
• Product Type: Spark plug wire (ignition wire) set
• Material: Copper
• Cable Type: Spark plug wire
• Color: White
• Number of Items: 1
• Engine Compatibility: 7.4L 8-cylinder Delco EST, 8.2L 8-cylinder Delco EST
• Weight: 1.89 pounds
• Item Dimensions: 10.25 x 7.25 x 2.75 inches
• Connector Feature: Screw-down distributor cap connection
• Interference Protection: Mag/Wire wound core shields RFI and EMI

Fitment

• 7.4L 8-cylinder Delco EST engines, 1993-2000
• 8.2L 8-cylinder Delco EST engines, 1993-2000

Frequently Asked Questions

What engines does the Sierra 18-8832-1 wiring plug set fit? The Sierra 18-8832-1 fits 7.4L 8-cylinder Delco EST engines and 8.2L 8-cylinder Delco EST engines built between 1993 and 2000.

Is this a full set or a single spark plug wire? This is a complete wiring plug set, not a single wire, sized for the full 8-cylinder Delco EST ignition system on 7.4L and 8.2L engines from 1993-2000.

What material are the wires made from? The Sierra 18-8832-1 wire set uses copper conductors with a Mag/Wire wound core construction.

Does this wire set protect onboard electronics from interference? Yes, the Mag/Wire wound core in the 18-8832-1 set is designed to deliver maximum voltage while shielding radio frequency interference (RFI) and electro magnetic interference (EMI) from electronic engine controls and other onboard electronics.

What color is the Sierra 18-8832-1 wiring plug set? This ignition wire set is white.

How much does the 18-8832-1 wiring plug set weigh? The Sierra 18-8832-1 weighs 1.89 pounds.

What are the dimensions of this wiring plug set as packaged? The Sierra 18-8832-1 measures 10.25 x 7.25 x 2.75 inches.

Does the set include a distributor connection feature? Yes, the 18-8832-1 set includes a screw-down cap along with moisture-proof, molded distributor insulators that seal the connection at the distributor.

Will this wire set hold up in a hot, wet engine compartment? The 18-8832-1 uses a high tensile strength membrane for added durability and heat resistance, along with moisture-proof molded insulators, to withstand the marine engine environment.

How many wires come in the Sierra 18-8832-1 set? The listing includes 1 complete wiring plug set covering the 8-cylinder Delco EST configuration for the 7.4L and 8.2L engines.

Is the 18-8832-1 an exact-fit replacement or a universal wire set? The Sierra 18-8832-1 is built to an exact-fit design for its specified 7.4L and 8.2L Delco EST engines, matching the original wiring layout for straightforward installation.

What keeps the conductor from breaking down over time in this set? The 18-8832-1 uses a high-quality conductive center carrier reinforcement that maintains conductor integrity over years of trouble-free service.