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Outside Snap Ring U-Joint Identifier

  Outside Snap Ring Style U-Joint

Outside U-joint Measuring Guide
End yoke outside U-joint

Width:
If measuring the ujoint, compress the caps and measure from outside of cap to outside of cap. If measuring an end yoke, measure from inside of tab to inside of tab.  If you do not see a tab as shown, then you have an inside snap ring ujoint.

Cap Diameter:
If measuring the ujoint, simply measure the ujoint cap.  If you are measuring the end yoke, measure the width of the opening where the cap sits in the yoke.

 Common Outside Snap Ring U-joint Sizes and Series

 Series Width (IN.) Cap Diameter. (IN.)
1210 2 -  (2.438) 1 -  (1.063)
1310 3 -  (3.219) 1 -  (1.063)
1310 Ford*
3 -  (3.219)
1 -  (1.125)
1330 3 -  (3.625) 1 -  (1.063)
1330 Ford* 3 -  (3.625)
1 -  (1.125)
1350 3 -  (3.625) 1 -  (1.188)
1355**
1410 4 -  (4.188)
1 -  (1.188)
1415** 4.178 1 -  (1.188)
1480 4 -  (4.188) 1 -  (1.375)
1485** 4.178 1 -  (1.375)
1550 4 -  (4.969) 1 -  (1.375)
1555** 4.946 1 -  (1.375)
* 1310 Ford & 1330 Ford have 1 - ” cap at pinion yoke and 1 - ” cap at driveshaft. 
** 1415, 1485, 1555 only found on Chrysler and some GM vehicles with American Axle built driveshafts.