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{"title":"WESPC Exhaust Valve 3142D031 for Perkins six cylinder diesel engines","imgUrl":"https:\/\/img.chinax.com\/nimg\/4b\/c9\/5fc852c75ba36651b093d21edae9-200x200-1\/wespc_exhaust_valve_3142d031_for_perkins_six_cylinder_diesel_engines.jpg","attrs":{"Brand Name":"WESPC","Model Number":"3142D031","Certification":"ISO9001","Place of Origin":"China"}}
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{"title":"WESPC Valve Guide T407959 for Perkins 4.236 4.248 6.354.2 A4.236 T4.236 6.354","imgUrl":"https:\/\/img.chinax.com\/nimg\/35\/9a\/371d004fd7e0b733f37681f24846-200x200-1\/wespc_valve_guide_t407959_for_perkins_4_236_4_248_6_354_2_a4_236_t4_236_6_354.jpg","attrs":{"Brand Name":"WESPC","Model Number":"T407959","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"WESPC Exhaust Valve T422529 for Perkins T4.236 turbocharged diesel engines","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/70\/6d7c202ed45161126dcd107fd7f8-200x200-1\/wespc_exhaust_valve_t422529_for_perkins_t4_236_turbocharged_diesel_engines.jpg","attrs":{"Brand Name":"WESPC","Model Number":"T422529","Certification":"ISO9001","Place of Origin":"China"}}
WESPC Exhaust Valve Seat 3314A231 for Perkins Four Cylinder Diesel Engines
Brand Name
WESPC
Place of Origin
China
Part Number
3314A231
After-sales Service Provided
Video Technical Support, Online Support
Marketing Type
Ordinary Product
Certificate
ISO9001
Warranty
1 Year
Stock
Yes
Application
The 3314A231 exhaust valve seat insert is engineered for Perkins 1100 Series four-cylinder turbocharged diesel engines, specifically models 1104C-44, 1104C-44T, 1104C-44TA, 1104D-44, 1104D-44T, and 1104D-44TA. These 4.0-liter powerplants are extensively deployed across agricultural tractors, combine harvesters, generator sets, and industrial machinery from leading equipment manufacturers including JCB, Massey Ferguson, Landini, Manitou, Clark, Bobcat, Komatsu, and Case. The component is also compatible with earlier T4.236 and AT4.236 engine variants that share the same cylinder head architecture, making it suitable for retrofit applications in older equipment.
Technical Specifications
This precision-machined valve seat features an outer diameter of 42.5mm, inner diameter of 34.25mm, and height of 7.60mm. The seat angle is 30 degrees, optimized for exhaust gas flow dynamics and valve sealing performance. Manufactured from high-grade alloy steel/gray cast iron, the component meets exacting dimensional tolerances of ±0.01mm for outer diameter and ±0.02mm for concentricity. The material hardness rating is 35-45 HRC, providing optimal wear resistance while maintaining sufficient ductility to prevent cracking under thermal cycling. Each unit weighs approximately 30 grams and is designed for press-fit installation with an interference fit of 0.05-0.08mm.
Material & Performance Features
The valve seat is forged from premium gray cast iron with controlled graphite flake structure to ensure uniform thermal conductivity and dimensional stability across operating temperatures ranging from -40°C to 400°C. Precision grinding and honing processes create a mirror-smooth seating surface with Ra < 0.4μm, minimizing valve face wear and ensuring consistent compression seal over extended service intervals. The material composition includes carefully balanced copper and chromium alloying elements that enhance resistance to exhaust gas corrosion and valve recession. Advanced heat treatment protocols produce a microstructure specifically engineered to withstand the high-velocity, high-temperature exhaust flow characteristics of turbocharged diesel combustion cycles. The design accommodates thermal expansion differentials between the seat insert and aluminum cylinder head, preventing loosening or distortion under severe duty cycles.
Interchange Part Numbers
PERKINS 3314A261 (primary OEM specification for exhaust valve seat)
CATER 377-0400, 276-8133
PERKINS 3314A251 is the INTAKE valve seat (DO NOT use for exhaust applications)
WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong.
The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and... WESPC(Dongguan)Tech Co., Ltd. is a wholly-owned subsidiary of WESPC Hong Kong.
The company has long been deeply engaged in the Perkins aftermarket spare parts sector, while also covering a wide range of multi-brand engines and related components. With years of professional expertise and...
