BSNOVT Main Relay Assembly for Honda Accord 1998-2002, Direct-Fit OEM Replacement for Fuel Pump & Ignition

BSNOVT Main Relay Assembly is a direct-fit OEM replacement that restores reliable electrical control for fuel pump and ignition systems on select Honda and Acura models.

When a vehicle struggles to start, stalls intermittently, or shows electrical irregularities, a worn main relay is often the culprit. This BSNOVT unit replaces OE numbers 39400-S84-003 and RZ-0159 and is engineered to match factory specifications for the Honda Accord (1998–2002), Odyssey (1998–2004), and Acura CL (2001–2003). Built with durable materials and designed for straightforward installation, it provides a cost-effective way to regain dependable starting and system power control.

How does this relay restore reliable starting and electrical control?

The main relay manages power to critical systems like the fuel pump and engine ignition. Replacing a failing relay prevents intermittent shutoffs, hard starts, and sudden stalls by re-establishing stable electrical connections and proper voltage delivery to components.

• Replaces worn internal contacts and connectors that cause voltage drop.
• Restores consistent power to the fuel pump and ignition circuits.
• Engineered to match OEM pinout and mounting for correct operation.

Will this BSNOVT part fit my vehicle and replace the OE part?

Yes — this assembly is designed as a direct replacement for specific factory part numbers. It directly replaces OE 39400-S84-003 and RZ-0159 and fits the listed model years without modification when installed in the original relay location.

• Compatible with Honda Accord 1998–2002 models.
• Compatible with Honda Odyssey 1998–2004 models.
• Compatible with Acura CL 2001–2003 models and matches OE specs.

Is installation difficult and what tools are needed?

Installation is straightforward for someone comfortable with basic vehicle maintenance and requires no special tools. The relay mounts in the factory relay location and connects to the existing harness, making it a quick repair that many owners can perform themselves.

• No soldering or wiring changes required — plug-and-play design.
• Typical tools: common hand screwdrivers and possibly a trim puller.
• Installation time usually under 30 minutes for experienced DIYers.

What quality and longevity can I expect from this replacement?

Manufactured to meet strict OEM-style standards, this relay assembly uses durable materials and reliable contacts to deliver long service life under normal operating conditions. It’s intended to provide stable performance comparable to the factory part it replaces.

• Durable construction to resist wear and electrical corrosion.
• OEM-spec pin configuration and secure mounting for vibration resistance.
• Designed for consistent power delivery to critical engine systems.

Who is this for: The BSNOVT Main Relay Assembly is ideal for owners of the specified Honda and Acura models who are experiencing starting issues, intermittent electrical faults, or want to preempt relay failure. It suits DIY mechanics seeking a direct-fit, OEM-replacement part and service shops needing a reliable, cost-effective relay that matches factory performance.