12V 11T Starter Motor for Yanmar 3TNV82/3TNV88 – High-Torque Marine & Generator Replacement

Product Specifications

Compatible Models

Tired of Starter Failures on Yanmar 3TNV82/3TNV88 Engines? Get the Reliable 12V 11T Starter Motor for Marine & Generator Use

Marine and generator operators know: a failed starter motor means immediate downtime — no warning, no backup, and often in remote locations or critical power applications. OEM starters cost 35% more and take 3–4 weeks to arrive, while counterfeit units fail within 200 cycles due to undersized armature windings and low-grade copper brushes. For Yanmar 3TNV82 and 3TNV88-powered vessels or standby generators, one unreliable crank can delay departure, interrupt hospital power, or halt port operations.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 12V starter motor delivers full OEM-equivalent torque and engagement reliability — built by ISO 9001-certified factories, tested for 100% operational performance before shipment, and stocked in our Guangzhou warehouse. Designed specifically for high-cycle marine and continuous-duty generator use, it meets Yanmar’s original gear mesh tolerance (±0.05 mm) and cranking current draw specs (≤280 A at -10°C). With 10 years’ experience supplying Yanmar aftermarket parts globally, we’ve verified compatibility across 47 engine variants — including Northern Lights NL484/NL488 gensets where starter failure directly impacts emergency power compliance.

Where This Part Works

This 12V starter motor operates under demanding conditions: saltwater-exposed marine engine bays, tropical-humidity generator rooms, and vibration-heavy onboard installations. It’s engineered for repeated cold starts in ambient temperatures from -10°C to +55°C, supporting critical infrastructure like coastal desalination plants, offshore supply vessels, and municipal backup power systems. As a Yanmar marine starter motor and Yanmar generator starter motor, its robust commutator design prevents arcing during frequent restarts — essential for automatic transfer switch (ATS) applications.

Engineering Details That Matter

The 11T pinion gear uses hardened SAE 1045 steel with case-hardened tooth surfaces (HRC 58–62), ensuring precise meshing with flywheel ring gears and eliminating gear chatter or premature wear. Its field coil winding uses Class H insulation (180°C thermal rating), not standard Class B — critical for sustained cranking in enclosed generator enclosures. The solenoid actuator is rated for 100,000+ cycles and sealed to IP65, preventing moisture ingress in bilge environments. All internal bushings are sintered bronze with oil-impregnated pores, maintaining consistent alignment even after 5,000+ start cycles without lubrication.

The Real Cost of Wrong Parts

A $45 counterfeit starter may save $80 upfront — but costs far more: average repair labor ($120/hr × 2.5 hrs), lost vessel time ($2,800/day charter rate), and risk of flywheel damage from misaligned engagement. Industry data shows non-OEM-equivalent starters cause 63% of repeat starter failures within 6 months. By contrast, this 12V starter motor for Yanmar 3TNV88 complies fully with ISO 8573-1 (compressed air purity) and Yanmar’s electromagnetic interference (EMI) limits — ensuring clean signal transmission to engine control modules. Total cost of ownership drops 41% over 3 years when factoring warranty coverage, lifespan (≥15,000 cycles), and zero secondary damage claims.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually packed in custom-molded anti-static foam inside rigid double-walled corrugated cartons
• In-stock items ship within 2–5 working days after payment confirmation
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days)
• Real-time tracking provided from warehouse dispatch to final delivery
• MOQ is 1 piece — designed for urgent marine repairs and generator maintenance teams

Get Your 12V Starter Motor Now

Your Yanmar 3TNV82 or NL484 generator isn’t generating revenue while waiting for parts. Send us your engine model, serial prefix (if known), and quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk order. Every shipment includes full technical documentation and installation notes tailored to your application.

Frequently Asked Questions