D1803 Cylinder Head Gasket 1G750-03312 1G750-03310 Full Gasket Kit 1G720-03311 For Kubota Engine

Product Details

Product Overview

This comprehensive gasket kit is specifically designed for the Kubota D1803 diesel engine, a power unit widely used in compact construction, agricultural, and industrial equipment. The set includes the critical cylinder head gasket (part number 1G750-03312), an upper gasket set (1G750-03310), and a full overhaul gasket set (1G720-03311), providing all necessary sealing components for a complete engine rebuild or top-end repair.

Manufactured to OEM specifications, this gasket set ensures a precise fit and reliable sealing performance to restore engine compression and prevent fluid leaks. It is an ideal solution for maintenance shops and equipment owners seeking a cost-effective alternative to genuine Kubota parts without compromising on quality or fitment.

Key Features & Benefits

• Complete Overhaul Solution: Includes all essential gaskets for a full engine rebuild, saving time and ensuring all seals are replaced simultaneously.
• OEM-Spec Dimensions: Manufactured to match the exact size and thickness of original Kubota components, guaranteeing a proper seal without modification.
• High-Temperature Resistance: Constructed from premium materials capable of withstanding extreme combustion pressures and temperatures, ensuring long service life.
• Eliminates Cross-Reference Confusion: Combines three critical part numbers (1G750-03312, 1G750-03310, 1G720-03311) into one kit, simplifying inventory management for repair shops.
• Versatile Application: Compatible with the widely-used D1803 engine found in tractors, excavators, generators, and marine equipment.
• Cost-Effective Repair: Provides a high-quality aftermarket alternative that significantly reduces maintenance costs compared to genuine OEM parts.

Technical Specifications

OEM Cross-Reference

This kit directly replaces the following Kubota genuine part numbers:

• 1G750-03312 – Cylinder Head Gasket (single)
• 1G750-03310 – Upper Gasket Set (valve cover, intake/exhaust manifold, etc.)
• 1G720-03311 – Full Overhaul Gasket Set (includes all above plus oil pan, front/rear crankshaft seals)

Note: This is an aftermarket replacement part, not a genuine Kubota product. Part numbers are listed for cross-reference purposes only.

Compatibility

This gasket kit is specifically engineered for the Kubota D1803 diesel engine. It is commonly used in the following applications:

• Compact excavators (e.g., Kubota KX series)
• Agricultural tractors (e.g., Kubota B, L, M series with D1803 engine)
• Industrial generators and pumps
• Skid steer loaders and mini loaders
• Marine auxiliary engines
• Material handling equipment (forklifts)

Important: Verify your engine model and serial number before purchase. This kit is designed for the D1803 engine only and may not fit other Kubota engine variants.

Global Supply & Distribution

Our products are exported worldwide with a strong logistics network serving major industrial markets. We offer reliable shipping to:

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

With an average delivery time of 7–15 working days to major ports, we ensure your repair projects stay on schedule. Our export team handles all customs documentation and provides full tracking information for every shipment.

Quality Assurance

• Manufacturing Standards: Produced in an ISO 9001-certified facility with strict quality control processes.
• Material Testing: Each batch undergoes tensile strength, heat resistance, and compression testing.
• Dimensional Accuracy: All gaskets are checked against OEM specifications using 3D scanning technology.
• Warranty: 6-month warranty against manufacturing defects. Post-warranty online technical support is available.
• Inspection: Video outgoing inspection and machinery test reports are provided upon request.

FAQ

Q1: Does this kit include the cylinder head gasket alone, or is it a full set?

A: This is a comprehensive kit containing three separate sub-sets: the single cylinder head gasket (1G750-03312), the upper gasket set (1G750-03310), and the full overhaul set (1G720-03311). Together, they provide all gaskets needed for a complete engine rebuild, including head, valve cover, intake/exhaust manifold, oil pan, and front/rear seal gaskets.

Q2: How do I verify that this gasket kit fits my Kubota D1803 engine?

A: Check the engine model number stamped on the engine block (usually located near the injection pump or on the valve cover). Ensure it reads D1803. Also confirm your existing gasket part numbers match the ones listed (1G750-03312, 1G750-03310, or 1G720-03311). If your engine has been modified or rebuilt with non-standard components, we recommend measuring the cylinder bore and gasket thickness before installation.

Q3: What is the recommended installation procedure for the cylinder head gasket?

A: Always follow the Kubota service manual for your specific engine. General guidelines include: (1) Clean all mating surfaces thoroughly, (2) Do not apply any sealant unless specified, (3) Tighten head bolts in the correct sequence and torque to factory specifications (typically in 2–3 stages), (4) After initial startup, re-torque the head bolts once the engine has reached operating temperature and cooled down. We recommend replacing head bolts with new ones during installation.