20-1687-4N | QualCast Valve Seat Insert
Applications:
- Ford Diesel and Industrial: All years, all models with 300 C.I. (4.9L) (C5PG, CSG649) 12V Engine
- Ford: Years 1976 & 1977, F-500 model with 330 C.I (5.4L) Heavy Duty 16V Engine
- Ford: Years 1964-1966, 1969-1970, 1974 & 1978, M-450 Motor Home model with 330 C.I (5.4L) Heavy Duty 16V Engine
Interchange:
- Durabond: Part #70559
- Fed-Mog/SPX: Part #24516874N
- SBI, Inc.: Part #SB16874N
Product Information
Product Information
Shipping & Returns
Shipping & Returns

20-1687-4N | QualCast Valve Seat Insert
20-1687-4N | QualCast Valve Seat Insert
Applications:
- Ford Diesel and Industrial: All years, all models with 300 C.I. (4.9L) (C5PG, CSG649) 12V Engine
- Ford: Years 1976 & 1977, F-500 model with 330 C.I (5.4L) Heavy Duty 16V Engine
- Ford: Years 1964-1966, 1969-1970, 1974 & 1978, M-450 Motor Home model with 330 C.I (5.4L) Heavy Duty 16V Engine
Interchange:
- Durabond: Part #70559
- Fed-Mog/SPX: Part #24516874N
- SBI, Inc.: Part #SB16874N
$3.81
Original: $12.70
-70%20-1687-4N | QualCast Valve Seat Insert—
$12.70
$3.81Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Applications:
- Ford Diesel and Industrial: All years, all models with 300 C.I. (4.9L) (C5PG, CSG649) 12V Engine
- Ford: Years 1976 & 1977, F-500 model with 330 C.I (5.4L) Heavy Duty 16V Engine
- Ford: Years 1964-1966, 1969-1970, 1974 & 1978, M-450 Motor Home model with 330 C.I (5.4L) Heavy Duty 16V Engine
Interchange:
- Durabond: Part #70559
- Fed-Mog/SPX: Part #24516874N
- SBI, Inc.: Part #SB16874N












