12V 11T Starter Motor 129242-77010 129608-77010 for Yanmar Engine 3TNV82 3TNV88 3TNE88 4TNE88 2YM15 3YM20 3YM30 3JH3 3JH3E 3JH4E 4JH3E

Product Specifications

Compatible Models

Tired of Starter Failures on Yanmar 3TNV82/3TNV88 Engines? Get the Reliable 12V 11T Starter Motor You Need Today

Marine and generator operators know: a failed starter means unplanned downtime — often during critical operations offshore or at remote job sites. OEM replacements cost 40% more and take 3+ weeks to arrive. Counterfeit starters fail within weeks, risking engine damage and costly secondary repairs. And sourcing across multiple suppliers for Yanmar marine, industrial, and generator variants wastes hours every time.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This 12V starter motor is engineered to match original Yanmar performance specs — built in ISO 9001-certified factories, tested for torque output, engagement timing, and cold-cranking reliability before shipment. With 10 years’ experience supplying Yanmar aftermarket parts globally, XUNPO maintains over 10,000 SKUs in stock — including this high-torque starter — ensuring fast delivery for urgent marine engine rebuilds or generator maintenance cycles.

Where This Part Works

This starter operates reliably in demanding environments: onboard commercial fishing vessels, standby power generators at ports and data centers, irrigation pumps in agricultural settings, and auxiliary engines in mining support equipment. It delivers consistent cranking under high ambient temperatures (up to 55°C), salt-spray exposure, and frequent start-stop cycles — making it essential for mission-critical Yanmar 3TNV82 and 3TNV88 applications where failure is not an option. 12V high-torque marine starter motor performance is validated per SAE J1171 marine electrical standards.

Engineering Details That Matter

The armature uses copper-wound laminated steel cores for optimal magnetic flux and thermal dissipation — preventing coil burnout during repeated cranking. The solenoid features silver-alloy contacts rated for 100,000+ actuation cycles, resisting pitting and voltage drop in humid marine conditions. Pinion gear is case-hardened 8620 steel (HRC 58–62), precisely ground to ensure mesh alignment with flywheel ring gears and eliminate gear clash. All housings are zinc-nickel plated (≥15µm) for corrosion resistance exceeding ISO 9227 neutral salt spray test requirements (720 hours).

The Real Cost of Wrong Parts

A $35 counterfeit starter may save upfront — but costs far more long-term: premature failure leads to repeated labor charges ($120–$200/hr for marine technicians), lost revenue during vessel layup, and potential damage to flywheel or ring gear requiring full engine disassembly. OEM-equivalent parts like this 12V starter motor reduce total cost of ownership (TCO) by delivering 2–3× longer service life versus uncertified alternatives. Backed by ISO-compliant production and pre-shipment functional testing, it meets Yanmar’s published cranking torque specification (≥1.4 kW at 12V, -18°C), ensuring reliable starts even in cold-start generator backup scenarios. Yanmar generator starter motor 129608-77010 compliance eliminates compatibility risk.

Why Customers Trust XUNPO

Packaging & Shipping

• Individually sealed in anti-static polybag, cushioned with molded EPE foam, and packed in double-walled corrugated export 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), sea freight (25–40 days)
• Real-time tracking provided via email and WhatsApp upon dispatch
• MOQ is 1 piece — designed for urgent field repairs and small-batch marine maintenance

Get Your 12V Starter Motor Now — Avoid Another Unplanned Shutdown

Your Yanmar engine shouldn’t wait weeks for a starter. Send us your part number (e.g., 129608-77010), machine model (e.g., 3TNV88), and quantity — we’ll reply with a competitive quote within 24 hours. First-time buyers can request a sample for functional testing. Stock units ship fast from Guangzhou — because downtime costs money, and every hour counts.

Frequently Asked Questions