1998 Mazda MX-5 Miata
Maintenance & specsVERIFIED Jun 15, 2026
The 1998 Mazda MX-5 Miata takes 5W-30 Conventional with a total capacity of 3.7 quarts (filter included). You’ll need a 17mm socket for the drain plug, torqued to 34 Nm. The OEM oil filter is the Mazda B6Y1-14-302A, with 2 compatible alternatives listed below. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
⚑ QUICK DIY TIPS FOR THE 1998 MAZDA MX-5 MIATA
- Torque your drain plug to 34 Nm (25 ft-lbs) to avoid leaks or stripped threads.
- Using the OEM filter (Mazda B6Y1-14-302A) is recommended for warranty compliance.
- Always use 5W-30 Conventional as specified by Mazda — using the wrong viscosity can void your powertrain warranty.
- Check the maintenance schedule below for your next service interval.
01
Oil & Filter
02
Fluid Specifications
03
Parts & Specifications
Spark Plugs
TypeIridium
Gap0.044
Quantity4
Change interval100,000 mi
Tires
Size245/40R18
Front pressure35 PSI
Rear pressure35 PSI
Brake Pads
WagnerQC1000OEMfront
Buy04
Maintenance Schedule
≈ every 6 months
- ▸Change Engine Oil & Filter
05
Torque Specifications
Estimated Current Value
Original MSRP
$40,000
Private Party
$3,420–$3,780
Dealer Retail
$3,960–$4,500
Trade-In
$3,060–$3,420
Depreciation
91%
Estimated values assume average condition and mileage for vehicle age.
Source: estimated
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A shop typically charges $70–$140 for this service. Buy the parts and save.
08
Tools & Supplies
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