• Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
  • Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
  • Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
  • Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
  • Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
  • Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2

CM Marine

Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2

SKU 40044109-0439ADR
$379.99
$379.99
Out of stock

Want to double-check? Email us a photo of your old part and we'll confirm the fit.

Shipping & returns

New Zealand – We ship NZ-wide with NZ Post / CourierPost. Most North Island addresses are delivered the next working day after dispatch; South Island 2–3 working days. Rural addresses can take an extra 1–2 days. Shipping is calculated at checkout.

Australia & worldwide – We also ship to Australia (DHL, usually 3–5 business days) and worldwide (NZ Post or DHL). The shipping cost is calculated at checkout.

When will my order ship? In-stock items are packed and dispatched as quickly as possible, and you'll get an email with tracking once it's on its way.

Victron Energy products – Most Victron items are sent directly from the NZ distributor and usually arrive within 1–5 business days.

Payment – We accept Visa, Mastercard, PayPal, Shop Pay, Apple Pay, Google Pay and Afterpay at checkout. Trade and invoiced customers can also pay by bank transfer to C M GLOBAL LIMITED, account 38-9017-0100535-00, using the invoice number as the reference.

Returns & warranty – See our Warranty & Returns page.

Questions? Email sales@cmmarine.co.nz – Monday to Friday, 9am–5pm NZT.

Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2
Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2 Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2

Alternator For Yanmar Marine Engines 120 Amp 3Jh2 3Jh3 4Jh3 6Ly2, Yanmar Marine 120A 129772-77200, 12977277200, LR155-20, LR155-20B 20109 4-6971

Specifications:
Unit Type Alternator
Voltage 12
Rotation CW
Dimension Replacement 10SI Unit:, Mtg. Ear 1 Hole: 5/16-18 Threaded, Mtg. Ear 2 Hole: 10mm Unthreaded, Mtg. Ear 3 Hole: 10mm Unthreaded, B+ Terminal: 12-24, R Terminal: 10-32, IGN Terminal: Spade, L Terminal: Spade,
Amperage 120
Clock 12
Pulley Class V1
Regulator IR
Fan Type EF
Fits Delco 10SI Type Alternator
1-V PULLEY
No Need For Ground Cable To Operate
Used to Replace Hitachi Units on Yanmar Marine Applications (Lester 12107, 12272)


2GM20, 2GMFL, 2GMFY(E)-E, 2GML, 2GMYE-EC, 3GM30, 3HM35, 3JH2, 3JH2BE, 3JH2E, 3JH3, 3JH3E-YEU, 3JH4E, 3YM20, 3YM30, 4JH2-CE, 4JH3E, 4JH3-TE, 4JHE, 6LY2-STE, UJH2E 

Replaces these part numbers:
API MARINE 20109
ARROWHEAD ADR0439
EMP PARTS 4-6971
J & N 400-44109


12-Month Warranty

CM Marine
Auckland

  • Our part number: 40044109-0439ADR

Replaces these part numbers: API MARINE 20109 ARROWHEAD ADR0439 EMP PARTS 4-6971 J & N 400-44109

  • Tracked shipping from Auckland

    Most orders are delivered the next working day after dispatch. Rural addresses can take an extra 1–2 days.

  • Help finding the right part

    Email us your part number and we'll find the right fit

  • Trade pricing available

    Ask about a trade account

  • Secure shopping guarantee

    Safe, encrypted checkout