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3418529 3418678 for NT855 Cylinder Head
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Cummins Engine Parts

3418529 3418678 for NT855 Cylinder Head

Bare cylinder head for Cummins NT855 and NTA855 engines. High-nickel alloy iron, 38 kg, 2 valves per cylinder.

SKU: 3418529
Description Additional information

Cylinder head 3418529, superseded by the fully interchangeable 3418678, is the bare head for the Cummins NT855 and NTA855 series including NT855-GA and NTA855-G1 through G4. It is cast in high-nickel alloy iron at 430 × 320 × 220 mm and 38 kg, with a 135 mm bore and two valves per cylinder. It ships bare — no valves, springs, seats or guides — on the standard NT855 bolt pattern.

Specifications

Part Numbers 3418529 (legacy), 3418678 (upgraded replacement, 100% interchangeable)
Product Name Bare Cylinder Head (no valves, springs, seats, or guides included)
Brand/Origin CCEC Chongqing Cummins Genuine
Fit Engines Full NT855/NTA855 series: NT855-GA, NTA855-G1, G1A, G1B, G2, G2A, G4, etc.
Dimensions (L×W×H) 430 × 320 × 220 mm
Net Weight 38 kg/unit (bare head)
Bore Diameter 135 mm
Valve Configuration 2 valves per cylinder (intake + exhaust)
Bolt Hole Pattern Standard NT855 mounting holes, fully compatible

Key Features

  • 3418678 is the upgraded, 100% interchangeable replacement for 3418529
  • Bare head — no valves, springs, seats or guides included
  • High-nickel alloy cast iron
  • 430 × 320 × 220 mm, 38 kg per unit
  • 135 mm bore, two valves per cylinder
  • Standard NT855 mounting hole pattern

Typical Applications

  • NTA855-G1 through G4 generator sets
  • Construction machinery
  • Marine engines
  • Industrial power units

Ordering from Sino Bus Parts

  • Wholesale pricing; bulk orders welcome
  • Global shipping
  • Fitment confirmed against your engine serial or CPL before dispatch
  • Contact us on WhatsApp for a quotation
Part Number

3418529 / 3418678
Fitment

Cummins NTA855 Engine
Product Type

Cylinder Head
Material

High Nickel Alloy Cast Iron
Quality Standard

Genuine CCEC Quality
MOQ

1 Piece (Bulk Orders Accepted)
Lead Time

3-15 Days

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