For a typical Lexus with six ignition coils, replacing the full set generally runs about $800 to $1,800, depending on model and whether you use aftermarket or OEM parts; individual coils usually cost roughly $60 to $260 for parts plus labor. Diagnostic charges and spark plug changes can add to the total.
What drives the cost
Prices depend on several factors, including how many coils your engine actually uses, part quality, labor rates, and whether you also replace spark plugs or perform other related maintenance at the same time.
- Number of coils required by the engine (4, 6, or 8 depending on the Lexus model and engine).
- Choice of parts: aftermarket/third-party coils versus OEM/Lexus-branded coils.
- Labor rate and time: different shops charge different hourly rates, and coil replacement time scales with the number of coils.
- Additional services: spark plugs, timing checks, or misfire diagnostics may be performed or recommended.
- Geographic location and whether the work is done at a dealership or an independent shop.
- Warranty considerations: OEM parts may come with longer warranties, which can influence the overall value.
In short, the major cost drivers are the engine’s coil count, the part choice, and the labor required to access and replace the coils.
Cost ranges by engine configuration
Four-cylinder Lexus models (4 ignition coils)
Four-cylinder engines use four ignition coils. Here’s a typical cost picture for replacing the full set, plus what might change if you replace only a single coil.
- Parts per coil (aftermarket): about $40–$90 each; OEM/Lexus coils: about $120–$180 each.
- Labor per coil: roughly 0.5–1.0 hours at $90–$150/hour (shop rate varies by region).
- Per-coil total (aftermarket parts): roughly $85–$240; per-coil with OEM parts: about $210–$330.
- Full set (4 coils) total estimate: aftermarket around $340–$960; OEM around $840–$1,320.
Replacing all four coils is typically less than replacing only one, but diagnostic fees and any required spark plug work can shift the total.
V6 and V8 Lexus models (6 or 8 coils)
Many Lexus models use six ignition coils for V6 engines and eight coils for V8 configurations. Costs rise with more coils, but per-coil pricing often trends similarly to the four-cylinder case.
- Parts per coil (aftermarket): about $40–$90 (V6) or $60–$100 (V8); OEM/Lexus coils: about $120–$180 per coil (V6) or $140–$260 (V8).
- Labor per coil: about 0.5–1.0 hours at $90–$150/hour.
- Per-coil total (aftermarket): roughly $100–$210; per-coil with OEM: about $180–$300.
- Full set (6 coils) aftermarket total: approximately $600–$1,260; OEM total: about $1,080–$1,980.
- Full set (8 coils) aftermarket total: approximately $320–$720 for parts plus labor; overall around $720–$1,920; OEM total: roughly $1,360–$2,640.
Dealer quotes for full-coil replacements on higher-end Lexus engines can push toward $2,000–$3,000 in some markets, especially if multiple other parts are touched or if diagnostic fees are bundled into the estimate.
Ways to save money on ignition coil replacement
Smart planning can reduce the final bill. Consider these approaches when budgeting for a coil replacement on a Lexus.
- Shop around for quotes from both dealers and reputable independent shops to compare parts and labor costs.
- Ask for an itemized estimate that separates parts, labor, diagnostics, and any plug changes.
- Consider aftermarket coils if your vehicle’s warranty and maintenance plan allow it; they are often substantially cheaper than OEM parts.
- Bundle coil replacement with spark plug replacement if your mileage is high or plugs are near end of life—this can save on labor time and improve engine performance.
- Inquire about any warranty on the coils and labor; some shops offer warranties that can add long-term value.
Careful budgeting and upfront quotes can help you avoid surprises when you get the final bill.
What to expect when you get a quote
When you request a quote, expect a clear breakdown that includes the number of coils, part type (OEM vs aftermarket), labor hours, hourly rate, diagnostic fees if applicable, and any additional services such as spark plug replacement. Many shops estimate 0.5–1 hour of labor per coil, so a full six-coil job commonly falls into a multi-hour block depending on engine access. If you’re in a hurry, dealer quotes can be higher than independent shops, but dealerships may provide OEM guarantees and comprehensive vehicle history.
Summary
Ignition coil replacement costs for a Lexus vary widely based on engine configuration, part choice, and labor rates. A typical six-coil full replacement often falls in the $1,000–$2,000 range, with four-coil configurations generally lower and eight-coil setups higher. Doing the work at an independent shop, considering aftermarket coils, and combining coil replacement with spark plug service can yield meaningful savings. Always obtain a detailed, written estimate and confirm warranty terms on both parts and labor.
How long do Lexus ignition coils last?
between 100,000 to 120,000 miles
The Average Lifespan of Lexus Ignition Coils
Lexus ignition coils typically last between 100,000 to 120,000 miles, though their lifespan can vary based on several factors. Frequent short trips or aggressive driving may cause increased wear and tear, leading to earlier failure.
Can you still drive with a bad ignition coil?
For coil-on-plug ignition systems with multiple ignition coils, it may be possible to drive with a bad coil—but we don't recommend it.
How much does it cost to replace ignition coils on a Lexus RX350?
between $269 and $305
The average cost for a Lexus RX350 Ignition Coil Replacement is between $269 and $305. Labor costs are estimated between $72 and $106 while parts are priced between $197 and $199. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.
Is replacing ignition coils worth it?
There's a chance you'll never need to replace an ignition coil on your car, but if it is necessary, you'll have symptoms show up. For other issues, symptoms can be intermittent but a failed coil almost always has constant problems. Signs of a bad ignition coil can include: A Check Engine Light.