How much does it cost to replace ignition coils on a Lexus IS250?
Typically, replacing a single ignition coil on a Lexus IS250 costs about $105–$270, while replacing all six coils ranges roughly from $420–$1,020 with aftermarket parts and $540–$1,320 with OEM parts. The exact total depends on labor rates in your area and whether you choose OEM or aftermarket components.
What drives the cost
Several factors shape the final bill, including how many coils are being replaced, the quality of parts, local labor rates, and whether diagnostic work is needed before or after the replacement.
Typical cost breakdown
Below is a practical breakdown of costs you can expect for common scenarios.
- One coil replacement (coil-on-plug): Parts
OEM: about $60–$120 per coil; Aftermarket: about $40–$70 per coil. Labor: roughly 0.5–1 hour at $90–$150/hour.
Estimated total per coil: OEM roughly $105–$270; Aftermarket roughly $85–$220. - All six coils replacement (coil-on-plug): Parts
OEM: about $360–$720 total; Aftermarket: about $240–$420 total. Labor: roughly 2–4 hours at $90–$150/hour.
Estimated total: OEM roughly $540–$1,320; Aftermarket roughly $420–$1,020. - Optional spark plug replacement (often bundled with coil work): Spark plugs typically $8–$15 each, plus additional labor if performed at the same time.
Prices vary by region and shop, and some dealerships or shops include diagnostic fees or bundle related maintenance (like spark plugs) differently. Always ask for a detailed written estimate before authorizing work.
Parts and labor details
Parts options
Choosing between OEM Lexus parts and aftermarket equivalents can substantially affect the price and potentially reliability and warranty.
- OEM ignition coil (coil-on-plug): typically $60–$120 per coil
- Aftermarket ignition coil: typically $40–$70 per coil
- Spark plugs (optional during coil service): typically $8–$15 per plug
When replacing all six coils, the total cost reflects the sum of these per-coil prices plus any bundled parts like plugs.
Labor considerations
Labor costs are driven by regional rates and the shop’s pricing. On average, a professional shop bills $90–$150 per hour. Replacing a single coil typically takes 0.5–1 hour, while replacing all six usually takes 2–4 hours.
- Typical labor rate: $90–$150/hour
- Time to replace six coils: about 2–4 hours
These factors help explain the wide range in total quotes you might receive from different shops.
DIY vs. professional service
DIY replacement is possible for experienced enthusiasts with the right tools, especially for coil-on-plug setups. However, misfires can stem from multiple components (plugs, coils, wiring, or ignition control), so a professional diagnostic can save time and prevent repeat visits. If you’re not comfortable, consider having a shop perform the work to ensure the fault is fully resolved and codes are cleared properly.
What to ask a shop
To get a clear estimate and avoid surprises, ask these questions when discussing coil replacement:
- Do you replace all six coils or only the faulty ones?
- Are OEM parts required or are aftermarket parts acceptable?
- Is spark plug replacement included or priced separately?
- Is diagnostic work or code clearing included in the price?
- What is the warranty on labor and parts?
Getting a written, itemized quote helps you compare options across shops and protects you from unexpected charges.
Summary
For a Lexus IS250, the cost to replace ignition coils varies widely. In the U.S., expect roughly $105–$270 to replace a single coil and about $420–$1,020 to replace all six with aftermarket parts or $540–$1,320 with OEM parts, excluding any optional spark plug changes. Regional labor rates and part choices are the biggest drivers of the final price. Always obtain a detailed estimate and consider whether the service includes diagnostics, tests, and warranty coverage.
