3966430 6735-11-1101 Engine Cylinder Head Fits Cummins 6BT5.9 Komatsu 6D102 PC200-6

Short Description / Bullet Points

Dual Brand Compatibility:
100% interchangeable and compatible with both Cummins 6BT 5.9 and Komatsu 6D102 / S6D102E diesel engines.
Exact OEM Reference:
Replaces Cummins part numbers 3966430, 3925400, 3911273 and Komatsu part numbers 6735-11-1101, 6732-11-1100.
Perfect Application:
Fits Komatsu PC200-6, PC220-6, WA320-3 series excavators and wheel loaders, as well as various heavy trucks and marine generators.
Premium Casting Quality:
Manufactured with high-strength gray cast iron to withstand severe thermal stress and high cylinder pressure under heavy-duty operations.
Options Available:
We offer both Bare Cylinder Head (empty) and Complete Cylinder Head Assembly (pre-loaded with valves, springs, and guides)

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Technical Specifications Table

Technical Parameter	Specification Details
Product Name	Diesel Engine Cylinder Head / Bare Head / Head Assy
Engine Model	Cummins 6BT 5.9 / 6BTA 5.9 & Komatsu 6D102 / S6D102
OEM Part Number (Cummins)	3966430 / 3925400 / 3911273 / 3966453
OEM Part Number (Komatsu)	6735-11-1101 / 6735-11-1111 / 6732-11-1100
Number of Valves	12 Valves (6 Intake, 6 Exhaust)
Material	Heavy Duty Forged Cast Iron
Compatible Machines	Komatsu PC200-6, PC200LC-6, PC220-6, PC220LC-6, WA320
Condition / Warranty	Brand New Aftermarket / 12 Months Warranty

Detailed Description

Bring your heavy machinery or fleet back to life with our precision-engineered 6D102 / 6BT5.9 Engine Cylinder Head. Designed to meet or exceed original equipment manufacturer (OEM) standards, this cylinder head provides exceptional durability and reliability for demanding construction, industrial, and automotive environments.

This heavy-duty 12-valve head is a critical component for restoring optimal engine compression and thermal efficiency. CNC-machined for exact bolt hole alignment and flat gasket surface mating, it prevents coolant leaks and head gasket blowouts. Whether you are performing an engine overhaul on a Komatsu PC200-6 crawler excavator or a Cummins 6BT industrial generator set, our premium replacement parts offer OE-level security at a competitive price.