Is their a wrench to remove the collar?

You can purchase DAVCO collar wrenches through our online store.

Diesel Pro 230, 232, 233, 234, 242, 243, Shop Pro ST

• OD Collar: 5 inches
• Metal: P/N 232007DAV
• Composite: P/N 232002
• Heavy Duty wrench: 243030DAV

Fuel Pro 380, 382, 384

• OD Collar: 6"
• Metal wrench: P/N 380134DAV
  
• Heavy Duty Wrench: P/N 382152DAV
  

Fuel Pro 482, 483, 485, 487 and 488 as wellShop Pro FXP

• OD Collar: 8"
• Metal wrench: P/N 482017
• Heavy duty wrench: P/N 488001DAV