In short, a starter relay for a Honda Civic typically costs between $5 and $60, depending on whether you buy aftermarket or Honda Genuine parts, and on the model year and region.
Beyond price, the starter relay is a small 12-volt device that controls current to the starter motor. Some Civics use a separate relay in the under-hood fuse box, while others rely on the starter solenoid integrated into the starter itself. This article explains price ranges, where to buy, compatibility tips, and installation basics.
What is a starter relay and why it matters
A starter relay acts as a high-current switch in the starting circuit. When you turn the key or press the start button, a low-current signal energizes the relay coil, which then closes contacts to send power from the battery to the starter motor. If the relay fails, you may hear a click but the engine won’t crank, or you may get intermittent starting. In many Honda Civics, the relay sits in the under-hood fuse/relay box or is integrated with the starter assembly, depending on the generation.
Price ranges by source
Prices vary by supplier and part type. The following ranges reflect common options seen across major retailers and dealers as of recent model years.
- OEM Honda Genuine starter relay: typically about $15–$40, with occasional cases up to ~$60 depending on year and region.
- Aftermarket relays (brands like Bosch, Dorman, Standard Motor Products, etc.): usually $5–$20 for a standard 12V, 4- or 5-pin relay.
- Used or salvaged relays: commonly $5–$15, depending on condition and seller.
- Relay kits or bundles (with connectors or seals): typically $12–$25.
Conclusion: For most owners, an aftermarket relay offers a cost-effective fix, while OEM parts provide guaranteed compatibility and quality for critical under-hood electronics.
How price varies by model year and source
Honda Civics span many generations, and the starter relay’s exact part number and location can shift between generations. Some models place the relay in the under-hood fuse box, others rely on a relay integrated into the starter or wiring harness. While the function remains the same, always verify the correct part number and electrical rating for your specific year, trim, and engine. Availability and price tend to reflect OEM versus aftermarket choices, plus regional taxes and shipping.
Where to buy and how to verify compatibility
To ensure you purchase the right relay, follow these steps:
- Identify your Civic’s year, model, and engine to determine the correct relay type.
- Consult the owner’s manual or the fuse/relay box cover for the part number and 12V rating.
- Cross-check the part number with Honda’s official parts catalog or a trusted aftermarket catalog to confirm compatibility.
- Verify the relay’s pin configuration (4-pin vs 5-pin) and mounting orientation.
After purchasing, inspect the relay’s terminals for corrosion or damage before installation, and ensure you disconnect the battery when replacing electrical components.
Where to buy
Common sources for a starter relay include the following:
- Honda dealerships and official Honda Parts retailers
- Automotive parts stores (e.g., AutoZone, Advance Auto Parts, O'Reilly, NAPA)
- Online marketplaces (Amazon, eBay) with filters for 12V, 4- or 5-pin configurations
- Used auto parts recyclers or local salvage yards
Tip: Compare prices and check return policies, as well as shipping costs, before buying.
Quick installation and testing tips
After replacing the relay, test the starting sequence by turning the key or pressing the start button. If the engine cranks reliably, the job is complete. If you still experience a no-crank condition or intermittent starting, the issue might involve the battery, starter motor, ignition switch, wiring, or the security system, and may require further diagnosis.
Summary
The starter relay for a Honda Civic is a small, inexpensive component, typically priced between $5 and $60 depending on source and model year. Aftermarket relays are budget-friendly, while Honda Genuine parts offer guaranteed compatibility. Always confirm the correct part number, voltage, and pin configuration for your specific Civic, and consult the owner's manual or official parts catalog to ensure a proper fit.


