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Valve Guide 3313A012/3318A705 For Perkins Six Cylinder Diesel Engines

Price Negotiable
Price: $5-$8(1 Piece)
MOQ: 10
Delivery Time: 5-10 work days
Brand: WESPC
Product Description
WESPC Valve Guide 3313A012/3318A705 for Perkins Six Cylinder Diesel Engines
Precision valve guides designed for optimal performance in Perkins diesel engines, providing reliable valve alignment and controlled lubrication.
Brand Name WESPC
Place of Origin China
Part Number 3313A012/3318A705
After-sales Service Video Technical Support, Online Support
Marketing Type Ordinary Product
Certificate ISO9001
Warranty 1 Year
Stock Yes
Application Details
3313A012 - Intake Valve Guide
Designed for Perkins 1004-40T, 1004-42, 1103, 1104C-44TA, 1106C-E60TA diesel engines (4-cylinder and 6-cylinder configurations). Provides precision alignment and controlled lubrication for intake valves in moderate-duty diesel applications. Each four-cylinder engine requires 4 intake guides; each six-cylinder engine requires 6 intake guides. Commonly deployed in Massey Ferguson 3000 and 4000 series tractors, JCB telehandlers and backhoe loaders, Cater C4.4 industrial engines, and FG Wilson generator sets.
3318A705 - Exhaust Valve Guide
Engineered for higher temperature operation with exhaust valves in Perkins 1006.6, 1006.6T, 1104C-44TA, 1106C-E60TA diesel engines. Each four-cylinder engine requires 4 exhaust guides; each six-cylinder engine requires 6 exhaust guides. Used in the same equipment families as 3313A012 but specifically for exhaust valve positions.
Technical Specifications
3313A012 (Intake)
  • Outer diameter (large end): 13.30 mm (0.524 inches)
  • Inner diameter (valve stem bore): 8.95-9.00 mm (0.352-0.354 inches) for 9.0mm intake valve stems
  • Overall length: 46.40 mm (1.827 inches)
  • Installation method: Press-fit into cylinder head with H7/p6 interference fit (0.03-0.08 mm interference)
  • Material thickness: Varies from 1.15-2.15 mm along length
  • Surface finish: Inner bore Ra 0.4-0.8 µm after honing
  • Lubrication clearance with valve stem: 0.04-0.06 mm for intake valves
3318A705 (Exhaust)
  • Outer diameter (large end): 14.50-15.00 mm (0.571-0.591 inches) - larger than intake guide for heat dissipation
  • Inner diameter (valve stem bore): 8.95-9.00 mm (0.352-0.354 inches) for 9.0mm exhaust valve stems
  • Overall length: 48.00-50.00 mm (1.890-1.969 inches) - longer than intake guide
  • Installation method: Press-fit with H7/p6 interference fit (0.03-0.08 mm interference)
  • Material thickness: Thicker wall than intake guide for better heat transfer
  • Surface finish: Inner bore Ra 0.4-0.8 µm after honing
  • Lubrication clearance with valve stem: 0.05-0.07 mm for exhaust valves (slightly larger due to higher operating temperatures)
Material & Performance Features
Both guides are manufactured from 16MnCr5 case-hardening steel (European standard alloy steel) or sintered iron alloy depending on supplier. The material provides 900-1,100 MPa tensile strength and excellent wear resistance for continuous valve stem movement at engine speeds up to 2,200 rpm.
The intake guide receives case-hardening treatment to achieve 55-60 HRC at the outer surface for wear resistance in the cylinder head bore, while maintaining a ductile core (28-32 HRC) to resist fracture. The inner bore is precision-honed after installation to achieve cross-hatch pattern at 45-60° angle with 0.0002-0.0004 inch depth, ensuring optimal oil retention and controlled lubrication.
Interchange Part Numbers
3313A012 (Intake)
Primary OEM: 3313A012
Perkins applications: 1004-40T, 1004-42, 1103, 1104, 1106, 1006.6
Cater cross: For C4.4 engines
Aftermarket suppliers: KMP Brand, Diesel Parts Direct, Heavy Duty Pros
Packaging: Often sold individually or in sets of 4, 6, or 8 pieces
3318A705 (Exhaust)
Primary OEM: 3318A705
Perkins applications: 1004-40T, 1004-42, 1104C-44TA, 1106C-E60TA, 1006.6, 1006.6T
Aftermarket suppliers: KMP Brand, Agriline Products, Heavy Duty Pros
Related part: Sometimes referenced with "Valve Guide, Exhaust" designation
WESPC Valve Guide 3313A012/3318A705 for Perkins diesel engines

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Company Wespc (Dongguan) Tech Co., Ltd.
Location Room 803-804, Building G1, Tian'an Cyber Park, Nancheng Street, Dongguan City, China 523080
Contact Person Martin

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