I have found four: What do you believe is the best and what are do you have installed? I found and aftermarket supplier that has original Ford, however they want close to $1000 each.
Westar:$217.99 (Autozone) currently out of stock.
And
Suncore: $213.99 currently on ebay. The air bag doesn't look rubber.
1993-1998 Lincoln Mark VIII Front Left Air Ride Suspension Air Strut Assembly | eBay
And
shockmasters: $189
Front Left Air Suspension Air Strut Assembly for 1993-1998 Lincoln Mark VIII | eBay
And
Unity Automotive:$140.00
98 1998 Lincoln Mark VIII Suspension Air Strut - Suspension - Unity, Westar, Front Left, Front Right - PartsGeek
Westar:$217.99 (Autozone) currently out of stock.
And
Suncore: $213.99 currently on ebay. The air bag doesn't look rubber.
1993-1998 Lincoln Mark VIII Front Left Air Ride Suspension Air Strut Assembly | eBay
And
shockmasters: $189
Front Left Air Suspension Air Strut Assembly for 1993-1998 Lincoln Mark VIII | eBay
And
Unity Automotive:$140.00
98 1998 Lincoln Mark VIII Suspension Air Strut - Suspension - Unity, Westar, Front Left, Front Right - PartsGeek