There's a heated-lens version of the 7" round Truck-Lite (and newly of the J.W. Speaker), but not of the 200 x 142 mm rectangular from either maker, under any brand or re-brand.
That's what I was afraid of; wouldn't be the first time an Amazon description was inaccurate. Got me all excited though...
Maybe I need to look into rigging a headlamp washer setup; of course, however, the XJ's washer bottle is tucked inside the driver's side front fender...