20-1812-4N | QualCast Valve Seat Insert
Applications:
- GM Diesel and Industrial: All years, all models with 454 C.I. (7.4L) 16V Industrial Engine
- GM Marine: All years, all models with 454, 502 C.I. (7.4L) GM Marine 16V Engine
- Mercury Marine: All years, all models with 454, 502 C.I. (7.4L) GM Marine 16V Engine
Interchange:
- Durabond; Part #70667
- Dynagear: Part #82580
- Fed-Mog/SPX: Part #24518124N
- General Motors: Part #12350997
- Mahle Original: Part #2184500
- SBI, Inc.: Part #SB18124N
Product Information
Product Information
Shipping & Returns
Shipping & Returns

20-1812-4N | QualCast Valve Seat Insert
20-1812-4N | QualCast Valve Seat Insert
Applications:
- GM Diesel and Industrial: All years, all models with 454 C.I. (7.4L) 16V Industrial Engine
- GM Marine: All years, all models with 454, 502 C.I. (7.4L) GM Marine 16V Engine
- Mercury Marine: All years, all models with 454, 502 C.I. (7.4L) GM Marine 16V Engine
Interchange:
- Durabond; Part #70667
- Dynagear: Part #82580
- Fed-Mog/SPX: Part #24518124N
- General Motors: Part #12350997
- Mahle Original: Part #2184500
- SBI, Inc.: Part #SB18124N
$11.19
20-1812-4N | QualCast Valve Seat Insert—
$11.19
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Applications:
- GM Diesel and Industrial: All years, all models with 454 C.I. (7.4L) 16V Industrial Engine
- GM Marine: All years, all models with 454, 502 C.I. (7.4L) GM Marine 16V Engine
- Mercury Marine: All years, all models with 454, 502 C.I. (7.4L) GM Marine 16V Engine
Interchange:
- Durabond; Part #70667
- Dynagear: Part #82580
- Fed-Mog/SPX: Part #24518124N
- General Motors: Part #12350997
- Mahle Original: Part #2184500
- SBI, Inc.: Part #SB18124N












