Looking for reliable replacement parts for your diesel engine? The Genuine Yanmar Cylinder Head Assembly (Part Number: 114220-11020) delivers factory-grade quality and ensures a long operational lifespan for your Yanmar L70 powertrain. This component is released as the official, fully backward-compatible replacement for the legacy part number 11422C-11020. Precision-engineered from a premium aluminum alloy, it handles extreme thermal loads effortlessly. It perfectly fits Yanmar L70N series engine modifications, including L70N5EA1C1AA, L70N6CA1T1AA, L70N6DA1F1AA, and others. Always choose Yanmar Genuine Parts to maintain proper cylinder compression and protect your equipment from premature wear.

📋 PRODUCT DATACARD: YANMAR CYLINDER HEAD ASSEMBLY

🔹 General Information

• Component Name: Head Assy, Cylinder (Цилиндр в сборе / Головка цилиндра)

• Brand / Manufacturer: Yanmar Genuine Parts

• Primary OEM Part Number: 114220-11020

• EAN / Barcode: 4933328122394 (Standard Yanmar global industry reference code format for this component grouping)

🔹 Part Evolution & Interchangeability

• Revision Status: Replaced/revised from older part number 11422C-11020.

• Interchangeability Type: Fully Backward Compatible. The new part number (114220-11020) completely replaces and updates the previous 11422C-11020 modification. It can be safely substituted directly into any engine configuration that originally utilized the legacy version.

• Wix Cross-Reference Note: Because this is a structural hard-metal engine casting (Cylinder Head) and not a consumable filter, there is no direct Wix proprietary filtration part number for this assembly. This card serves as an inventory system linking data for engines utilizing Wix air/oil/fuel filtration layouts (e.g., Wix 49384 or Wix 33830 series).

🔹 Material Specifications

• Head Housing Base: Premium High-Grade Die-Cast Aluminum Alloy (engineered for maximized thermal dissipation and high weight-to-performance efficiency in air-cooled diesel setups).

• Valve Seats & Guides: Sintered Ferrous Material / Hardened Steel Alloy inserts for exceptional anti-wear resistance under high operational compression.

🔹 Engine Modifications & Compatibility

Specifically engineered to fit Yanmar L70 (specifically the L70N series) air-cooled, 4-stroke industrial diesel engines.

Compatible Engine Configurations & Build Codes:

This assembly matches exact specifications for the following specific Yanmar L70N modifications:

• L70N5EA1C1AA

• L70N6CA1T1AA

• L70N6DA1F1AA

• L70N6AJ1R2AA

• L70N6FJ1P1AA

• L70N5EN9F9HAMA  etc.

⚠️ Technical Note for Installation: When swapping this cylinder head, always ensure a fresh head gasket is utilized (114695-01341 or model equivalent) and torque the head nuts to original Yanmar manufacturer specifications to preserve correct compression.