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Cylinder Head Assembly 8-98223019-2 For Isuzu TFR 4JJ1-T 4JK1 8982230192
Product Overview
Cylinder head assembly seals the combustion chambers, houses the valvetrain and injectors, and provides critical airflow passages. Ensures efficient combustion and engine performance for Isuzu 4JJ1-T/4JK1 diesel engines.
The Cylinder Head Assembly (OEM Numbers: 8-98223019-2 / 8982230192 and 8-97355970-9 / 8973559709) is a premium-quality, direct replacement engine component designed for Isuzu TFR pickups and compatible vehicles equipped with 4JJ1-T or 4JK1 diesel engines.
Installation steps (overview for 4JJ1/4JK1 engine):
Drain coolant and engine oil - remove radiator hoses, thermostat, and other components as needed
Remove intake/exhaust manifolds, timing components, and valve cover
Remove cylinder head bolts in reverse order of tightening sequence
Lift cylinder head - inspect for cracks or damage
Clean block deck and cylinder head surface - remove old gasket material. Do not scratch surfaces
Check flatness - use straight edge and feeler gauge. Block deck and head must be within OE specifiion
Chase cylinder head bolt holes - ensure clean, undamaged threads
Install new head gasket - position with correct orientation
Install new cylinder head assembly - carefully lower onto gasket. Do not shift once in contact
Install new cylinder head bolts (recommended) - lubrie threads and underheads with engine oil
Torque bolts in sequence - follow manufacturer specifiion (refer to 4JJ1/4JK1 service manual)
Reinstall all components - timing, manifolds, valve train, etc
Refill coolant and oil - use proper fluids
Start engine - check for leaks, air in cooling system, and abnormal noise
Re-check after heat cycle - inspect for leaks and re-torque if required
Quality Control
Material Verifiion: Aluminum alloy composition and heat treatment tested to OE specifiions
Dimensional Inspection: Deck flatness, valve guide bore alignment, camshaft journal sizing, and bolt hole loions verified against OE blueprints
Pressure Test: Each head tested for casting porosity and coolant passage integrity
Surface Finish: Deck and combustion chamber surfaces checked for proper finish
Visual Inspection: 100% checked for casting defects, cracks, or machining errors
Packaged Safely: Coated with anti-rust oil, wrapped in protective plastic, boxed with foam to prevent damage during transit
Packaging and Delivery
Neutral export packing or customized packaging available
Carton or wooden case for safe transportation
Fast delivery for stock items
Shipping by Express Air or Sea
Inquiry
For pricing, availability, or bulk purchase of the Cylinder Head Assembly 8-98223019-2 For Isuzu TFR 4JJ1-T 4JK1 8982230192, please contact our sales team for a competitive quote and expert technical support.
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
