NA/NBSeller listing
Listed priceSee seller for current price
View listing at Flyin' Miata; opens in a new tabMiata · Buyer's guide
NA/NB Miata Driveshaft Fitment and PPF Alignment Diagnosis
US-market 1990-1993 NA6 and 1994-1997 NA8, plus 1999-2000 NB1 and 2001-2005 NB2. Split 1.6 versus 1.8 flange/application and manual versus automatic catalog notes.
Current seller options
WHERE TO BUY
Open an exact listing, then confirm fitment, stock, price, and shipping with the seller before ordering.
Seller links checked . Prices and availability can change.
NA/NBSeller listing
Listed priceSee seller for current price
View listing at Treasure Coast Miata; opens in a new tabNA/NBSeller listing
Listed priceSee seller for current price
View listing at Treasure Coast Miata; opens in a new tabWhat you need to know
Separate 1990-1993 1.6 and 1994-2005 1.8 families, manual/automatic, and differential/flange. Diagnose universal-joint wear, slip-yoke/seal condition and PPF/drivetrain alignment before ordering. MIA-0022 owns gearbox identification.
OEM numbers
Checked replacement reference includes Dorman 936-251 for the cited 1994-2005 manual1994-1997 automatic application. No universal NA6-through-NB driveshaft number or unverified length table is claimed.Supersession
No NA6-to-NA8/NB driveshaft supersession is claimed. A differential swap can change the required flange/application and must be evaluated as a system.
Fitment
Separate 1990-1993 1.6 and 1994-2005 1.8 families, manual/automatic, and differential/flange. Diagnose universal-joint wear, slip-yoke/seal condition and PPF/drivetrain alignment before ordering. MIA-0022 owns gearbox identification.
Aftermarket options
New rebuildable shafts and exact used OEM shafts are available in limited application branches. A Torsen/differential retrofit can alter the required shaft/flange; follow the seller application and verify the complete driveline.
Before you buy
A driveline vibration is not automatically the shaft. Check tires, mounts, differential, universal joints, flange/runout and PPF alignment. Match 1.6/1.8, transmission and differential/flange; used listings can disappear without notice.
Research and fitment sources
Supersede reviewed 7 unique research sources for this guide. 3 also appear above as a seller or official action and are not repeated here; 4 additional citations follow.
Research last verified .