D662 Valve Seat for Kubota Engine Parts – Direct Fit Replacement

Product Details

Product Overview

This D662 Valve Seat is a precision-engineered replacement component designed for compatibility with a wide range of Kubota diesel engines. As a critical part of the cylinder head assembly, the valve seat ensures a proper seal between the valve and the engine block, directly impacting compression, fuel efficiency, and overall engine performance.

Engineered to meet or exceed original equipment specifications, this D662 valve seat is manufactured from high-grade materials to withstand the extreme temperatures and pressures found in modern diesel engines. It is an ideal solution for engine rebuilds, overhauls, and maintenance repairs where reliable sealing and long service life are required.

Key Features & Benefits

• Precision Fitment: Manufactured to exact OEM dimensions (Part No. D662) for a seamless, direct replacement without modification.
• High-Temperature Resistance: Constructed from premium alloy steel or sintered metal to resist thermal fatigue and wear in high-heat combustion environments.
• Enhanced Compression Seal: Provides a gas-tight seal to maximize compression pressure, improving engine power output and fuel economy.
• Durability Under Load: Hardened surface resists valve recession and pitting, extending the interval between cylinder head services.
• Cost-Effective Rebuild Solution: Offers a reliable aftermarket alternative to expensive OEM parts without sacrificing quality or performance.
• Comprehensive Compatibility: Commonly used in Kubota industrial, agricultural, and construction equipment engines requiring the D662 valve seat specification.

Technical Specifications

OEM Cross-Reference

This D662 valve seat is designed as a direct replacement for the following OEM part numbers:

• Kubota: D662 (Original OEM Number)
• Cross-Reference: 1G855-13120, 1G855-13130 (Verify dimensions before installation)

Note: Always confirm the specific valve seat dimensions (outer diameter, inner diameter, and height) against your original part to ensure compatibility. This part is commonly used in Kubota V2203, D1105, D1302, and similar engine series but may also fit other models.

Compatibility

This D662 valve seat is commonly used for Kubota diesel engines found in the following applications:

• Engines: Kubota D1105, D1302, V2203, V2403, D902, D1005, D1703 series
• Equipment: Kubota tractors (L, B, M series), excavators (KX series), generators, and industrial engines
• Compatibility Note: Fitment is inferred based on common OEM cross-references. Always verify physical dimensions before purchase.

Global Supply & Distribution

We offer worldwide shipping for the D662 valve seat, serving B2B buyers across North America, Europe, Asia-Pacific, the Middle East, and Africa. Our logistics network ensures fast delivery to major ports (Rotterdam, Shanghai, Los Angeles, Hamburg) and industrial hubs. We maintain stock for bulk orders and can arrange expedited shipping for urgent engine rebuild projects. All exports comply with international trade regulations, and we provide full documentation for customs clearance.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities with strict quality control.
• Testing: Each batch undergoes hardness testing, dimensional inspection, and thermal resistance validation.
• Warranty: 12-month warranty against manufacturing defects. Coverage includes premature wear, cracking, or dimensional inaccuracy under normal operating conditions.
• Certification: Material certifications available upon request for traceability.

FAQ

Q1: How do I confirm this D662 valve seat fits my Kubota engine?
A: Measure your original valve seat’s outer diameter (OD), inner diameter (ID), and height using a micrometer. Compare these dimensions to the D662 specifications. While this part is commonly used in V2203 and D1105 series engines, dimensional verification is essential for any rebuild project.

Q2: Is installation difficult, and do I need special tools?
A: Valve seat replacement requires a cylinder head press and valve seat cutter/reamer for proper seating. It is recommended for experienced diesel mechanics or machine shops. Incorrect installation can lead to compression loss or valve damage. We advise consulting a service manual for torque specs and procedures.

Q3: Can I install this valve seat without replacing the valve guide?
A: While possible, it is best practice to replace valve guides and seals simultaneously during a cylinder head rebuild. Worn guides can cause improper valve seating, reducing the lifespan of the new valve seat. For optimal engine performance, we recommend a full valve train service.