20-1812-0 | QualCast Valve Seat Insert

• Outside Diameter: 1-13/16
• Inside Diameter: 1-7/16
• Exact OD: 1.8175
• Depth: 3/8
• Seat Angle: 45

Interchange: 

• Dynagear: Part #4290
• Fed-Mog/SPX: Part #24518120
• Mahle Original: Part #2187598
• Martin Wells Ind.: Part #W1031
• SBI, Inc.: Part #SB18120
• Tucker: Part #T1818