Finding U-Joint and Series
How to Measure for U-Joint and Series
|Determine whether you have Inside or Outside snap ring U-Joints. Then use the appropriate chart below to find your U-Joint Series.
Measure U-Joints with caps on and fully compressed.
Measure U-Joints at both the front & rear of the driveshaft.
Outside Snap Ring U-Joint / End Yoke Chart
For Dimension E using the end yoke, measure inside the two locating tabs. *For 1310 & 1330 Special, only 2 caps are 1 1/8" & other 2 caps are 1 1/16" (primarily used on Ford applications).
Inside Snap Ring U-Joint / End Yoke Chart
For Dimension E using the end yoke, measure between the flat surfaces on the inside of the yoke.
For Dimension D measure to the outside edge of the snap ring groove in the cap.