V1512 Valve Seat 11025-1179 11025-1178 for Kubota Engine Parts

Product Details

Product Overview

This premium valve seat, identified by OEM part numbers 11025-1179 and 11025-1178, is specifically designed for the Kubota V1512 diesel engine. As a critical component within the cylinder head assembly, this valve seat ensures a proper seal between the valve and the cylinder head, optimizing compression and combustion efficiency. Manufactured to original equipment size specifications, this part is a direct replacement for maintaining the performance and longevity of your Kubota engine.

Ideal for a wide range of heavy-duty applications including construction, agriculture, industrial power generation, marine, and material handling equipment, this valve seat is engineered to withstand the high temperatures and pressures of diesel combustion. Whether you are overhauling a generator set or servicing a compact tractor, this component delivers the reliability required for demanding work environments.

Key Features & Benefits

• OEM Specification Fitment: Manufactured precisely to OEM size standards (11025-1179 / 11025-1178) for seamless integration with the Kubota V1512 cylinder head, eliminating the need for modifications.
• High-Temperature Durability: Constructed from wear-resistant materials capable of withstanding extreme combustion heat and repeated valve impacts, reducing the risk of seat recession and valve failure.
• Enhanced Compression Seal: Provides a gas-tight seal to maintain optimal cylinder compression, ensuring maximum power output and fuel efficiency from your diesel engine.
• Reduced Downtime: Precision-machined surfaces ensure consistent valve seating, minimizing the need for frequent adjustments and extending the interval between engine overhauls.
• Versatile Application Range: Suitable for use in construction machinery, agricultural tractors, industrial gensets, marine propulsion, and forklifts powered by the Kubota V1512 engine.
• Complete Replacement Kit Ready: Often used in conjunction with valve guides and seals for a comprehensive cylinder head rebuild, this part is a staple in any engine parts inventory.

Technical Specifications

OEM Cross-Reference

This valve seat directly replaces the following Kubota genuine part numbers:

• 11025-1179 (Primary OEM Number)
• 11025-1178 (Alternative OEM Number)

Note: Always verify the original part number on your existing valve seat or consult your engine’s parts manual to confirm compatibility before purchase.

Compatibility

This valve seat is commonly used for the following engine and equipment applications:

• Engine: Kubota V1512 (Vertical, Water-Cooled, 4-Cycle Diesel Engine)
• Applications: Construction equipment (mini excavators, compact loaders), agricultural machinery (tractors, harvesters), industrial generators, marine auxiliary engines, and material handling equipment (forklifts).

Compatibility is inferred based on the engine model. Please confirm fitment with your specific equipment manufacturer’s specifications.

Global Supply & Distribution

We offer worldwide shipping capabilities to support international B2B buyers. Our logistics network ensures fast and reliable delivery to major industrial centers and ports across:

• North America: Los Angeles, Chicago, Houston, Toronto
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
• Asia-Pacific: Singapore, Shanghai, Tokyo, Sydney
• Middle East & Africa: Dubai, Jeddah, Johannesburg, Lagos
• South America: Santos, Buenos Aires, Valparaíso

With extensive export experience and compliance with international trade standards, we ensure your order is processed efficiently, whether by sea, air, or express courier. Bulk orders are welcome with customized packaging options to protect parts during transit.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities utilizing precision CNC machining and heat treatment processes to meet or exceed OEM specifications.
• Testing Procedures: Each batch undergoes rigorous inspection including hardness testing, dimensional verification, and surface finish analysis. A Machinery Test Report and Video Outgoing Inspection are provided upon request for full traceability.
• Warranty: Backed by a 6-month Defects Liability Period covering manufacturing defects. Our warranty ensures peace of mind for wholesale and distribution partners.

FAQ

Q1: How do I confirm this valve seat (11025-1179) fits my Kubota V1512 engine?
A: First, remove the old valve seat and check the part number stamped on it. If it reads 11025-1179 or 11025-1178, it is a direct match. Alternatively, cross-reference your engine serial number with Kubota’s parts catalog for the V1512 model. If you are rebuilding the cylinder head, we recommend measuring the valve seat outer diameter and height against your cylinder head’s counterbore to ensure a precise interference fit.

Q2: What is the installation procedure for a new valve seat?
A: Installation typically requires a press or specialized valve seat driver tool. The cylinder head must be thoroughly cleaned, and the old seat removed without damaging the head. The new seat should be chilled (e.g., using dry ice) and the head heated slightly to facilitate a smooth press-fit. After installation, a valve seat cutter or grinding stone is used to achieve the correct seat angle and width, followed by a leak test. We recommend professional installation by a qualified diesel mechanic.

Q3: How long does a valve seat typically last, and what causes failure?
A: With proper maintenance, a valve seat can last several thousand hours of operation. Common causes of failure include: (1) excessive carbon buildup causing poor heat transfer, (2) valve lash being too tight, preventing proper closing, (3) overheating due to cooling system issues, or (4) using low-quality fuel causing detonation. Regular valve adjustments and using the correct fuel grade will significantly extend service life. Our 6-month warranty covers premature failure due to material or machining defects.