Toyota Diesel 1KZT 1KZTE Head Gasket Recessed Valve 11115-67040-01 & 11115-67050-05

Product Overview

Genuine OEM Toyota Cylinder Head Gasket compatible with 1993-2009 Toyota Land Cruiser, 4Runner, Hilux, Prado, and Hiace models with 1KZ-T and 1KZ-TE turbo diesel engines. This critical sealing component ensures proper compression and prevents coolant and oil contamination in Toyota's legendary 1KZ-TE turbo diesel platform. This OEM gasket delivers Toyota-quality performance with precise bore dimensions and material specifications for reliable turbo diesel operation.

OEM Part Number(s):

• 11115-67040-01 (primary)
  
• 11115-67040 (superseded by -01)
  
• 11115-67050-01 (related version)

 

Key Features & Benefits

• Perfect Fit: Explicitly engineered for Toyota 1KZ-T and 1KZ-TE turbo diesel engines with recessed valves
• Quality Assurance: Multi-layer composite construction with graphite or metal core material
• Performance: Maintains optimal compression ratios and prevents coolant/oil mixing
• Turbo Compatibility: Designed to handle increased pressures from turbocharger operation
• Value: OEM reliability at competitive pricing compared to dealership rates

 

Technical Specifications

Part Type: Cylinder Head Gasket
Material: Multi-layer composite with graphite/metal core
Engine Compatibility: 1KZ-T, 1KZ-TE 3.0L turbo diesel
Gasket Thickness: 1.0-1.10mm (standard compression)
Gasket Piston Protrusion: 0.23-0.33mm

Year	Model	Engine
1993-1996	Land Cruiser 70 Series	1KZ-T 3.0L turbo diesel
1993-1996	4Runner/Hilux Surf	1KZ-T 3.0L turbo diesel
1995-2002	Land Cruiser 90 Series	1KZ-TE 3.0L turbo diesel
1996-2009	Land Cruiser Prado	1KZ-TE 3.0L turbo diesel
1993-2005	Hilux	1KZ-T/1KZ-TE 3.0L turbo diesel
1993-2004	Hiace	1KZ-T/1KZ-TE 3.0L turbo diesel
1995-2002	Grand Hiace/Granvia	1KZ-TE 3.0L turbo diesel

Important: Verify part compatibility using your vehicle's VIN or engine code before purchase. Compatible with both manual and automatic transmission variants. Check existing gasket thickness before ordering.

Installation & Maintenance

Installation Difficulty: Advanced
Tools Required: Complete socket set, torque wrench, surface plate, gasket scraper, precision measuring tools
Professional Installation: Recommended - requires cylinder head removal and precise torque specifications

Maintenance Tips:

• Always replace head bolts with new stretch bolts during gasket replacement
• Ensure cylinder head and engine block surfaces are perfectly clean and flat
• Follow Toyota's specific torque sequence and specifications exactly
• Replace the timing belt and water pump during cylinder head service

 

Frequently Asked Questions

Q: What's included in the package?
A: Single cylinder head gasket only. Head bolts, timing belt, and other sealing components sold separately.

Q: How difficult is installation?
A: This is an advanced repair requiring cylinder head removal, surface preparation, and precise torque procedures. Professional installation is strongly recommended for proper sealing.

Related Toyota Parts You May Need

• 1KZT 1KZTE Cylinder Head
• Head Studs 
  
• Water Pump - Recommended replacement during head gasket service
• Toyota Diesel 1KZT 1KZTE Complete Engine Gasket Set

 

Common Symptoms of 1KZ-TE Head Gasket Failure

• White smoke from the exhaust indicates coolant burning
• Milky oil appearance from coolant contamination
• Rapid coolant loss without visible external leaks
• Overheating and excessive pressure in the cooling system
• Loss of compression and rough turbo diesel operation

 

Why Replace Your 1KZ-TE Head Gasket

Critical Engine Protection: The 1KZ-TE is one of Toyota's most respected turbo diesel engines, known for exceptional reliability and performance in demanding off-road applications. However, this engine is susceptible to head gasket failure, particularly in high-mileage or overheated conditions. A failed head gasket can lead to catastrophic engine damage, including warped cylinder heads, bearing damage, and complete engine failure.

Early replacement with a genuine Toyota OEM head gasket prevents costly engine rebuilds and maintains the legendary durability that made the 1KZ-TE famous worldwide. The precise material composition and bore specifications of this OEM gasket ensure proper sealing under the extreme pressures generated by turbocharger operation.