WESPC Valve Spring 3174A025 For Perkins 1004 1104 1106 Diesel Engine Brand Name WESPC Place of Origin China Part Number 3174A025 After-sales Service Provided Video Technical Support, Online Support Marketing Type Ordinary Product Certificate ISO9001 Warranty 1 Year Stock Yes Application: 3174A025 is the outer (and often inner) valve spring for 4-, 6- and 8-cylinder Perkins 1004/1104/1106 diesels (4.4–8.8 L) used in JCB 3CX/4CX back-hoe loaders, MF 5400/6400 tractors, 45–250