11Z Cylinder Liner 11461-78300 11461-78301 Suitable For Toyota Engine Parts

Product Details

Product Overview

This high-quality 11Z Cylinder Liner is engineered as a direct replacement component for specific Toyota diesel engine applications. Identified by the OEM part numbers 11461-78300 and 11461-78301, this liner is manufactured to OEM size specifications, ensuring a precise fit and reliable performance.

Sourced from, a brand recognized for durable aftermarket engine components, this cylinder liner is commonly used in heavy-duty equipment across construction, industrial, agricultural, marine, and generator set applications. It provides a robust solution for engine rebuilds and maintenance, helping to restore compression and reduce oil consumption.

Key Features & Benefits

• OEM Specification Fitment: Manufactured to standard OEM size (11461-78300 / 11461-78301) for direct replacement without modification.
• Durable Construction: Built from high-grade materials to withstand the thermal and mechanical stresses of diesel engine operation.
• Enhanced Engine Performance: Restores cylinder wall integrity, improving compression, reducing blow-by, and optimizing fuel efficiency.
• Wide Application Range: Suitable for various heavy machinery sectors including construction, agriculture, marine, and power generation.
• Rigorous Quality Control: Each unit undergoes outgoing inspection and machinery testing to ensure dimensional accuracy and surface finish.
• Reliable Warranty: Backed by a 6-month warranty for peace of mind during installation and initial operation.

Technical Specifications

OEM Cross-Reference

This cylinder liner is a direct replacement for the following original equipment manufacturer (OEM) part numbers:

• 11461-78300 (Primary OEM Number)
• 11461-78301 (Alternative OEM Number)

These numbers are specific to Toyota industrial and heavy-equipment diesel engines. Please verify your existing part number against this list before purchase.

Compatibility

This cylinder liner is designed for the Toyota 11Z diesel engine model. It is commonly used for the following applications:

• Construction Machinery (e.g., forklifts, excavators)
• Agricultural Equipment (e.g., tractors, harvesters)
• Industrial Power Units
• Marine Propulsion Systems
• Generator Set (Genset) Engines
• Material Handling Equipment

Note: Fitment is based on engine model and OEM part number cross-reference. Always confirm compatibility with your specific equipment model and engine serial number before installation.

Global Supply & Distribution

As a supplier based in Guangdong, China, we offer efficient worldwide shipping to major industrial hubs and ports. Our logistics network supports fast delivery to North America, Europe, Southeast Asia, the Middle East, Africa, and Oceania.

• Shipping Methods: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight available.
• Major Markets Served: United States, Canada, Germany, UK, Australia, UAE, Saudi Arabia, Singapore, Indonesia, and more.
• Export Experience: We comply with international trade standards and can provide necessary documentation for customs clearance.
• Bulk Orders: Competitive pricing available for volume purchases and long-term supply agreements.

Quality Assurance

Every cylinder liner is manufactured under strict quality control procedures to ensure reliability and longevity.

• Testing: Machinery Test Report and Video Outgoing Inspection are provided upon request.
• Standards: Production follows industry-standard tolerances for hardness, surface finish, and dimensional accuracy.
• Warranty: Covered by a 6-month warranty against manufacturing defects in materials and workmanship.
• OEM Service: We offer custom OEM manufacturing services for specific requirements, including branding and packaging.

FAQ

Q1: How do I confirm this cylinder liner fits my engine?
A: First, check the OEM part number stamped on your existing cylinder liner. If it matches 11461-78300 or 11461-78301, this part is a direct replacement. Additionally, verify your engine model is the Toyota 11Z diesel. For non-standard applications, please contact us with your engine serial number for cross-verification.

Q2: What is the recommended installation procedure for this liner?
A: Installation should be performed by a qualified diesel mechanic. Ensure the cylinder block bore is clean and free of debris. The liner should be installed using a proper press tool to avoid distortion. Always check the liner protrusion height above the block deck according to the engine service manual. We recommend replacing piston rings and seals simultaneously for optimal performance.

Q3: Does this liner require any special running-in procedure after installation?
A: Yes. After installation, follow the engine manufacturer’s recommended break-in procedure. Typically, this involves operating the engine under varying loads (avoiding prolonged idling or full-load operation) for the first 50-100 hours. Use the recommended grade of engine oil and monitor coolant and oil temperatures closely during this period. This ensures proper seating of the piston rings against the new liner surface.