Replacement Parts Cylinder Head 2236431 for C27 &C32 for Caterpillar, New

Basic Info.

Product Description

• Part Number: 2236431

• Part Type: Cylinder Head

• Description: Replacement Parts Cylinder Head 2236431 for C27 &C32 for Caterpillar, New

The 223-6431 is a premium-grade aftermarket bare cylinder head specifically engineered for Caterpillar® C27 and C32 ACERT engines in high-horsepower mining, marine, petroleum, and electric-power applications. Cast from high-nickel, high-phosphorus grey iron with reinforced deck and valve-bridge structure, this head is fully CNC-machined to micro tolerances and pressure-tested to 100 psi for zero porosity and perfect sealing integrity under extreme combustion loads.

Key Features & Benefits

• Brand-new casting – no repaired cracks or welds

• Extra-thick fire deck and injector boss designed for sustained 2,600+ psi peak cylinder pressure

• Pre-installed Stellite-faced exhaust seats and high-phosphorus bronze valve guides

• Flow-optimized intake and exhaust ports for maximum volumetric efficiency

• Mirror-honed injector bores (copper sleeves available pre-installed on request)

• 100 % multi-stage pressure and vacuum tested; helium leak-checked at all critical surfaces

• Supplied with new valve stem seals and seat inserts (valves, springs, and rotocoils optional)

Common Applications (Caterpillar® Compatibility)

• Engines: – C27 ACERT (all ratings) – C32 ACERT (all ratings – mining, marine, petroleum, electric power)

• Typical Equipment: – Mining Trucks: 773G–777G – Large Track-Type Tractors: D10T2, D11T – Wheel Loaders & Dozers: 992K, 993K, 994K – Marine propulsion, offshore drilling packages, large generator sets

Technical Specifications

• Part Number Reference: 223-6431 (also covers 20R-2646, 243-6741, 277-8228 in most arrangements)

• Configuration: Individual 12-valve head (one head services two cylinders)

• Material: High-nickel/high-phosphorus grey iron, 310–350 BHN

• Weight (bare): ≈ 102 kg (225 lb)