Toyota Diesel 5L New AMC Cylinder Head Hilux HiAce Dyna Prado Land Cruiser Upgrade 11101-54150

Product Overview

Genuine OEM Toyota Cylinder Head Assembly compatible with 1994-2005 Toyota Hilux, Hiace, Dyna, ToyoAce, and related models with 5L diesel engines. This essential engine component houses all valvetrain components and provides the foundation for reliable diesel engine operation. This complete assembly includes valves, springs, and related hardware for comprehensive engine rebuilds or significant repairs.

This head is available in two configurations:

• Bare Casting for those who want to build their setup with custom valves and springs
• Complete Head (Loaded) that comes pre-assembled with camshaft(s), with valves, with valve springs, with valve guides, valve seats, and pre chambers, and is ready to install 

OEM Part Number(s):

• 11101-54150 (primary)
• 11101-54151 (superseded)

 

Key Features & Benefits

• Complete Assembly: Includes valves, springs, retainers, and seals for a comprehensive engine rebuild
• Quality Construction: Cast iron construction for maximum durability and heat dissipation
• Performance: Maintains proper compression ratios and valve timing for optimal diesel engine operation
• Direct Replacement: Perfect fit for OEM specifications with no modifications required
• Value: Complete rebuild solution at competitive pricing for major engine restoration

Technical Specifications

Part Type: Complete Cylinder Head Assembly
Engine Compatibility: 5L, 5L-E 3.0L diesel engines
Material: Cast iron construction
Valve Configuration: 8-valve SOHC (Single Overhead Cam)
Weight: 38 kg (83.7 lbs)

Fitment

Year Range	Toyota Model	Engine Options
1994-2005	Hilux	5L, 5L-E 3.0L diesel (various markets)
1994-2005	Hiace / Hiace SBV	5L, 5L-E 3.0L diesel
1994-2005	Dyna / ToyoAce	5L, 5L-E 3.0L diesel (commercial variants)
1996-2009	Land Cruiser Prado	5L-E 3.0L EFI diesel (select markets)

Important: This cylinder head is designed explicitly for 5L diesel engines. Verify engine code before ordering. Professional installation and machining services may be required.

Installation & Maintenance

Installation Difficulty: Expert/Professional
Estimated Install Time: 12-20 hours
Tools Required: Complete engine rebuild tools, torque wrench, valve grinding equipment, precision measuring tools
Professional Installation: Strongly recommended - requires engine machining and professional assembly

Maintenance Tips:

• Have the head professionally inspected for warpage and crack testing before installation
• Replace the head gasket, head bolts, and timing belt during cylinder head service
• Use proper torque sequence and specifications for head bolt installation
• Consider valve guide and seat reconditioning for optimal performance

Frequently Asked Questions

Q: Does this cylinder head come complete with valves and hardware?
A: Yes, this complete assembly includes valves, springs, retainers, and seals. However, professional inspection and potential reconditioning may be required.

Q: Will this fit both 5L and 5L-E engines?
A: Yes, this cylinder head assembly is compatible with both naturally aspirated 5L and electronic fuel injection 5L-E variants of the 3.0L diesel engine.

Related Toyota Parts You May Need

• Head Gasket Set - Essential for proper sealing during assembly
• Head Bolt Set - New bolts required for proper clamping force
• Timing Belt Kit - Replace during major engine service
• Water Pump Assembly - Commonly replaced during cylinder head service

 

Common Symptoms of Cylinder Head Problems

• Coolant mixing with engine oil (milky appearance)
• White smoke from the exhaust indicates coolant burning
• Overheating and loss of coolant without visible leaks
• Poor compression and rough engine operation
• Bubbles in the radiator or excessive pressure in the cooling system

 

Why Choose OEM Cylinder Head Assembly

Critical Engine Component: The cylinder head is one of the most crucial components in your diesel engine. This genuine Toyota OEM assembly ensures proper compression ratios, valve timing, and combustion chamber design that aftermarket alternatives cannot guarantee.

Toyota's 5L diesel engine has earned a reputation for exceptional reliability and longevity, with many examples exceeding 300,000 kilometers. This cylinder head assembly maintains those high standards with precise manufacturing tolerances and quality materials that have proven their worth in demanding commercial and off-road applications worldwide.

Don't compromise on engine reliability - invest in genuine Toyota OEM quality for your major engine rebuild. Professional installation and proper break-in procedures will ensure the maximum service life and optimal performance of this critical engine component.