Overhaul Gasket Kit for Yanmar 3TNV80 Engine – Full Replacement Set

Product Specifications

Compatible Models

Tired of Engine Overhaul Delays? Get the Right Yanmar 3TNV80 gasket kit for Your Small Diesel Power Unit

Every hour your Yanmar-powered mini-excavator, skid steer, or compact loader sits idle during an engine rebuild costs hundreds in lost productivity and rental replacement fees. Counterfeit or mismatched gasket kits cause head warping, coolant-oil mixing, and repeat teardowns — a common failure pattern we’ve documented across 147 field reports from repair shops in Southeast Asia and Latin America. OEM lead times stretch to 18–25 days, halting critical maintenance on time-sensitive municipal or agricultural projects.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This Yanmar 3TNV80 overhaul kit is engineered to meet original Yanmar torque, compression, and thermal cycling specifications — not just dimensionally compatible. Built by ISO 9001-certified factories with 10+ years’ collaboration with XUNPO, each set undergoes pre-shipment pressure testing at 12 bar and thermal soak at 120°C for 90 minutes. It’s used daily in real-world engine rebuilds for Yanmar 3TNV80-powered equipment in construction, agriculture, and utility fleet operations — where reliability isn’t optional.

Where This Part Works

You’ll find this gasket kit installed on Yanmar 3TNV80 engines powering machines operating under high-duty cycles: compact excavators digging in rocky soil, agricultural tractors tilling in humid tropical climates, and utility loaders handling repeated start-stop cycles in port terminals. These conditions demand precise sealing integrity across extreme temperature swings (-15°C to +110°C) and vibration loads up to 8.5G. A single compromised cylinder head gasket can trigger cascading failures — including turbocharger oil coking and premature bearing wear — making correct specification non-negotiable. Yanmar small diesel gasket performance directly impacts uptime in remote job sites where spare parts logistics are constrained.

Engineering Details That Matter

The multi-layer steel (MLS) cylinder head gasket uses three precision-rolled stainless steel layers with elastomer stopper beads — enabling controlled surface conformability while maintaining 220 MPa yield strength under combustion pressures up to 135 bar. Valve cover gaskets integrate dual-durometer NBR/silicone compound: the 70 Shore A outer flange resists oil degradation, while the 50 Shore A inner seal accommodates thermal expansion mismatch between aluminum cover and cast iron block. All oil pan and timing cover gaskets feature 0.05 mm thickness tolerance — critical for maintaining crankcase vacuum and preventing oil starvation at high RPM. Surface finish on all metal components meets Ra ≤ 0.8 µm per ISO 4287, ensuring uniform sealant adhesion without over-torquing risk.

The Real Cost of Wrong Parts

A $28 counterfeit gasket kit may save $12 upfront — but leads to average rework costs of $410 (labor + fluids + diagnostics) and 2.7 days of machine downtime. In mining support applications, that equals $3,600+ in deferred production. Our data from 2024 field audits shows 68% of failed Yanmar 3TNV80 rebuilds trace back to non-OEM-equivalent gasket sets — especially those lacking MLS construction or certified elastomer compounds. Total cost of ownership (TCO) drops 41% when using our Yanmar 3TNV80 engine rebuild gasket kit versus low-tier alternatives, factoring in extended service intervals, reduced fluid contamination, and no secondary teardowns. We comply with ISO 4014 and JIS D 0201 standards — not just dimensional copies.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static, moisture-resistant blister packaging with printed fitment guide and torque specs
• Secondary protection: rigid corrugated cardboard box with molded EPS foam inserts
• Standard delivery: 2–5 working days for in-stock items from Guangzhou warehouse
• Shipping options: DHL Express (3–5 days), air freight (7–12 days), sea freight (25–35 days)
• MOQ: 1 piece — designed for urgent engine rebuilds and technician inventory needs

Get Your Yanmar 3TNV80 gasket kit Now

Your engine won’t wait — and neither should your parts order. Every day delayed means higher labor cost, missed deadlines, and growing customer dissatisfaction. Send us your Yanmar model code (e.g., “3TNV80F-NGGEHR”) and required quantity — we’ll email a formal quotation within 24 hours. First-time buyers can request a sample kit for physical verification before bulk purchase. Stock is confirmed live — no backorders, no speculation.

Frequently Asked Questions