What pump do I have

What pump do I have?

Jacuzzi Whirlpool Bath hot tubs used the "white" pumps up to circa 1993. They looked like this:
If you have this pump, Click Here

From 1993 to 2000, MOST spa had the "J" or "K" series pumps. They looked like:
Note where the pump mates with the plumbing, That is a Jacuzzi Patented design. Only Jacuzzi pumps/fittings use it. It looks like:
Only Jacuzzi pumps will fit on Jacuzzi fittings.
NOTE: Starting 1998 Jacuzzi Whirlpool Bath Spas started using the pump shown below. So you have to compare fittings to identify which you have.
If you have this pump, Click Here

2001 Jacuzzi Hot Tubs revamp their spa line and discontinued using the above Jacuzzi Whirlpool fittings. During this period, either the above pumps or one shown to right were used. When Jacuzzi Hot Tubs introduced the "J" Series, their current series, all pumps except the smaller circulation pump used the pump shown to right.
If you have this pump, Click Here

CONFUSED????

Look at this picture side by side:
The fittiing on the left is older JWB fitting. Fitting on right is current JPS fitting.
Older JWB fitting has a cone shape. JPS fitting is flat.