Overhaul Gasket Kit for Isuzu Engine 4LE2 Hitachi Excavator ZX40U ZX50U ZX55UR EX55UR-3
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<p>Stop downtime from leaking gaskets and inconsistent sealing—this <strong>Kubota V3307 gasket kit</strong> delivers OEM-equivalent compression and heat resistance for reliable, long-term engine integrity across high-hour M7060HD tractors and KX080-4 excavators.</p> <ul> <li>Fits EFI-equipped V3307-CR-T engines with precision-matched copper-coated head gaskets and multi-layer steel (MLS) cylinder base seals—critical for maintaining rail pressure stability in CR injection systems</li> <li>Replaces six factory part numbers including 1J770-99360 and 1J770-99352, eliminating cross-reference guesswork</li> <li>Verified for use on both Kubota V3307 platforms <strong>and CAT C3.3B-CR-T</strong>—a rare dual-brand compatibility that simplifies fleet-wide inventory</li> <li>Pre-tested for torque retention at 1,200 psi combustion pressure—so you won’t face premature blowouts after rebuild</li> </ul>
| Parameter | Details |
|---|---|
| Part Name | Overhaul Gasket Kit |
| Part Number (OEM Reference) | 1J770-99360, 1J770-99352, 1J770-99350 |
| Brand Compatibility | Kubota, Caterpillar |
| Engine Fitment | Kubota V3307, V3307-CR, V3307-CR-T; CAT C3.3B-CR-T |
| Machine Model Fitment | Kubota M6060HD, M6060HDC, M6060HFC, M7060HD, M7060HD12, M7060HDC, M7060HDC12, M7060HFC, KX080-4, KX080-4S, KX080-4S2, SSV75 (all serial ranges), SSV75C, SSV75P, SSV75PC |
| Condition | New Aftermarket |
| Warranty | 6 months against manufacturing defects |
| Packaging | Original sealed box with anti-static inner lining and moisture barrier |
| Brand | Applicable Models |
|---|---|
| Kubota | M6060HD, M6060HDC, M6060HFC, M7060HD, M7060HD12, M7060HDC, M7060HDC12, M7060HFC, KX080-4, KX080-4S, KX080-4S2, SSV75 (S/N 10001–19999, 20001–49999, 50001–), SSV75C, SSV75P, SSV75PC |
| Caterpillar | C3.3B-CR-T |
Every hour your Kubota tractor or excavator sits idle during an engine rebuild costs hundreds — even thousands — in lost productivity and rental penalties. Counterfeit gasket kits swell, leak, or blow out under EFI system pressure, forcing repeat teardowns. OEM kits take 3+ weeks to arrive, halting critical field operations across farms, quarries, and municipal works.
This Kubota V3307 gasket kit is engineered to match original sealing performance and dimensional tolerances — manufactured in ISO 9001-certified facilities, with full pre-shipment pressure and thermal cycling validation. With 10 years’ experience supplying Kubota engine components globally, we stock over 10,000 SKUs including high-demand overhaul sets like this one — enabling same-day dispatch for urgent repairs on V3307-CR-T engines powering KX080-4 excavators and M7060HD tractors.
This gasket kit supports heavy-duty applications across construction sites, agricultural operations, port material handling, and demolition projects — where V3307-powered equipment operates continuously under high load, variable ambient temperatures, and dust-laden environments. Accurate cylinder head, intake manifold, and oil pan sealing is essential to maintain stable fuel injection timing and prevent coolant-oil cross-contamination in EFI-equipped engines like the V3307-CR-T.
Each gasket is precision-stamped from multi-layer steel (MLS) with embossed sealing beads for consistent clamping force across cylinder head surfaces. The cylinder head gasket features Viton-coated fire rings to withstand peak combustion pressures up to 160 bar. Intake and exhaust manifold gaskets use graphite-impregnated fiber for thermal stability between –40°C and +220°C. All rubber components meet ASTM D2000 standards for oil and coolant resistance. Dimensional tolerance is held to ±0.05 mm to ensure perfect alignment with factory-machined surfaces — eliminating risk of misalignment-induced leakage.
A $25 counterfeit gasket may save upfront but often fails within 100 operating hours, triggering a second engine disassembly, new labor charges, and unplanned downtime averaging $1,200/day for mid-size excavators. Genuine-equivalent parts like this Kubota engine gasket set comply with OEM torque specs and surface finish requirements — reducing long-term total cost of ownership (TCO) by preventing secondary damage to cylinder heads, turbochargers, or ECU sensors. Our kits meet ISO 45001-aligned production controls and are tested per SAE J2430 for sealing integrity under dynamic thermal stress.
— We source exclusively from ISO 9001-certified factories and inspect 100% of incoming gasket materials for thickness, coating adhesion, and tensile strength.
— Every kit undergoes functional pressure testing at 1.5× rated system pressure before shipment.
— 6-month warranty covers manufacturing defects — no questions asked, full replacement provided.
— 10 years exporting to 120+ countries, with verified repeat orders from distributors in Germany, Australia, Brazil, and Nigeria.
— 20+ technical staff trained in Kubota, CAT, and Komatsu engine architecture — confirm part fitment within 2 hours.
— Guangzhou warehouse holds 500+ units of this V3307 overhaul kit in stock — ship within 2–5 working days.
Your M7060HD tractor or KX080-4 excavator shouldn’t wait weeks for a gasket kit. Send us your machine model, current part number (e.g., 1J770-99360), and required quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification. Every day delayed is revenue lost.
Q: Is this an original Kubota part or an aftermarket replacement?
A: This is an OEM-equivalent aftermarket kit produced in ISO 9001-certified factories, meeting all dimensional, material, and performance specifications of Kubota’s original 1J770-99360 design.
Q: How do I confirm this fits my specific machine?
A: Provide your exact model (e.g., KX080-4 S/N 128475) and engine code (V3307-CR-T). Our technical team verifies compatibility and replies within 2 hours.
Q: What is the warranty period?
A: 6 months from date of delivery against manufacturing defects. Replacement shipped free if failure is confirmed as material or workmanship-related.
Q: What is the minimum order quantity?
A: 1 piece — no bulk requirement. Ideal for urgent repairs and small workshops.
Q: How fast can you ship?
A: In-stock items ship within 2–5 working days. Express options available — DHL/FedEx delivery to most countries in 3–7 business days.
Q: Can I receive a sample before placing a bulk order?
A: Yes — first-time clients may request one sample unit for physical testing and fitment verification prior to full order.
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