REPAIR COST REFERENCE
See the range—and what moves the number.
A credible cost guide separates diagnosis, parts, labor, application, region, and uncertainty. It does not impersonate a binding estimate.
Repair and applicationPartsLaborTypical total
Ignition coil replacementCommon 4–8 cylinder gasoline vehicles
Parts$45–$180 each
Labor$90–$320
Typical total$160–$650
Cylinder access, coil count, plugs, and diagnostic time · Q3 2026 sample
Catalytic converter replacementPassenger car or light truck, one converter
Parts$450–$2,200
Labor$180–$750
Typical total$700–$2,950
OEM vs. aftermarket, emissions state, rust, and root cause · Q3 2026 sample
Automatic transmission replacementLate-model passenger vehicle or light truck
Parts$2,800–$7,200
Labor$900–$2,400
Typical total$4,200–$9,500+
New, remanufactured, or used unit; programming; drivetrain · Q3 2026 sample
01
Diagnosis is part of the cost
Testing can prevent an expensive, incorrect replacement.
02
Vehicle context changes labor
Access, rust, calibration, drivetrain, and option codes matter.
03
Local quotes are the final input
Taxes, fees, warranty, parts grade, and shop rate vary.