Hey, OE Parts Here. We have some coolant reservoir tanks in stock from Dorman. The link below should take you to our site and display the part. Just like the title says, this will fit 1987-1996 F150's, F250's, and F350's.
The coolant tank is a 603-212 and sells for $39.45
This is a genuine Dorman part and has a one year manufactures warranty. UPS ground shipping would be $6.99 but there is no sales tax. If you have any questions or concerns please feel free to contact us.