391-3193 C7.1 Engine Cylinder Head Assembly for E320D E320D2 Excavator Engine Parts

The 391-3193 Engine Cylinder Head Assembly is designed for compatible C7.1 diesel engines used in E320D and E320D2 excavators. As a critical component of the engine, the cylinder head forms the upper section of the combustion chamber and supports proper sealing, airflow and combustion performance.

Manufactured for demanding construction machinery applications, this replacement cylinder head features a robust structure and precision-machined sealing and mounting surfaces. It is suitable for engine overhaul, repair and replacement of cracked, worn or damaged cylinder heads.

Precision-Machined Surfaces
Critical mounting and sealing surfaces are accurately machined to support proper installation and dependable engine sealing.

Heavy-Duty Construction
Built for diesel engines operating under high temperature, pressure, vibration and continuous heavy loads.

Reliable Combustion Sealing
Proper cylinder head construction helps maintain compression and supports stable combustion performance.

High Temperature Resistance
Designed for demanding diesel engine environments where the cylinder head is continuously exposed to high combustion temperatures.

Stable Engine Performance
A properly functioning cylinder head helps maintain compression, combustion efficiency and consistent engine power output.

Replacement for 391-3193
Designed as a replacement solution for compatible applications using cylinder head part number 391-3193.

Part Number: 391-3193
Engine Model: C7.1
Excavator Models: E320D / E320D2

This cylinder head assembly is intended for compatible C7.1 engine applications. Exact configuration can vary according to machine serial number and engine arrangement, so the original part number should always be checked before purchase.

The cylinder head is one of the most important structural components of a diesel engine. Installed above the cylinder block, it helps form the combustion chamber and contains passages and mounting locations associated with the engine's intake, exhaust, fuel and cooling systems.

A damaged or worn cylinder head may lead to problems such as:

• Loss of engine compression
• Engine overheating
• Coolant or oil leakage
• Difficult starting
• Reduced engine power
• Abnormal exhaust smoke
• Poor combustion
• Excessive coolant consumption

Replacing a damaged cylinder head can help restore proper sealing and reliable engine operation.

The 391-3193 C7.1 cylinder head assembly is suitable for professional engine maintenance and overhaul applications, including:

Excavator Repair · Engine Rebuilding · Construction Equipment Maintenance · Fleet Maintenance · Aftermarket Parts Replacement

Its heavy-duty construction makes it suitable for excavators working in demanding construction and earthmoving environments.

JISION supplies replacement engine parts for excavators and construction machinery, including cylinder heads, cylinder blocks, pistons, liners, crankshafts, camshafts, connecting rods, gasket kits, fuel injectors, fuel pumps, water pumps and turbochargers.

We support both individual replacement requirements and bulk purchasing for excavator parts distributors, engine rebuilders, repair workshops and heavy-equipment fleets.

Cylinder heads may differ according to engine arrangement and machine serial number even when the engine model is the same.

Before ordering, please provide:

Part Number + Engine Model + Excavator Model + Machine Serial Number + Original Cylinder Head Photos

For this product, please confirm:

391-3193 + C7.1 + E320D / E320D2

Contact JISION for price, stock availability, shipping information and wholesale quotation.