New 12V 35A Alternator 128270-77200 12109 LR135-105 Fits for Yanmar 1GM 1GM10 1GM10C 1GM10L 1GML 1GMY 318cc 1-Cyl Diesel 1980-1984
New 12V 35A Alternator 128270-77200 12109 LR135-105 Fits for Yanmar 1GM 1GM10 1GM10C 1GM10L 1GML 1GMY 318cc 1-Cyl Diesel 1980-1984 is backordered and will ship as soon as it is back in stock.
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Powering 10,000+ Commercial Fleets
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One Year Warranty
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Easy 60-day Return
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Expert support & Fitment Guarantee
Description
Description
New 12V 35A Alternator 128270-77200 12109 LR135-105 Fits for Yanmar 1GM 1GM10 1GM10C 1GM10L 1GML 1GMY 318cc 1-Cyl Diesel 1980-1984
Compatible Part Numbers
- 128270-77200
- 12109
- LR135-105
- 70-25-12109
- 90-25-1062
- 204-194 (PIC Picture ID)
Specifications
- Voltage: 12V
- Amperage: 35A
- Mounting Ear 1 Hole: M8x1.25 Threaded
- Mounting Ear 2 Hole: 8.5mm Unthreaded
- Mounting Ear 3 Hole: 8.5mm Unthreaded
- Mounting Ear 1 Thickness: 0.551in / 14mm
- Mounting Ear 2 Thickness: 0.551in / 14mm
- Regulator Clock Position: 1:00
- Fan Location: External
- Regulator Location: Internal
- B+ Terminal: M5x0.8
- Terminal 2 ID: R
- Terminal 3 ID: L
- Polarity: Negative
- Pulley Grooves: 1
- Pulley Type: Solid
- Weight: 9.44 lbs / 4.29 kg
- Diagram Reference: Diagram #1-16A
Compatible Engines
- 1GM
- 1GM10
- 1GM10C
- 1GM10L
- 1GML
- 1GMY
- 2GM
- 2GM20
- 2GMF
- 2GMFL
- 2GMFY(E)-E
- 2GML
- 2GMYE-EC
- 2GMZ
- 2QM15
- 2TD
- 2TM
- 3GM
- 3GMD
- 3GMF
Compatible Equipment
- Yanmar Diesel Engines: 318cc 1-Cyl Diesel engines from 1980 to 1984 across models 1GM, 1GM10, 1GM10C, 1GM10L, 1GML, 1GMY, and various 2GM, 2QM15, 2TD, 2TM, and 3GM series engines.
This 12V 35A alternator is designed to fit a range of Yanmar engines primarily manufactured between 1980 and 1984. The alternator features a solid pulley with a single groove and an external fan location, as well as an internal regulator situated at the 1:00 clock position. It includes mounting ears with specific hole sizes and thicknesses to ensure proper fit and installation. The negative polarity and M5x0.8 B+ terminal provide compatibility with the electrical systems of the listed engines.
The alternator replaces several OEM part numbers from Yanmar, Hitachi, Lester, and Wilson, making it a versatile option for maintenance and repair of compatible diesel engines. Its weight of 9.44 lbs (4.29 kg) and detailed mounting specifications support ease of installation and reliable operation in various equipment applications.
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Frequently Asked Questions
Shipping and Delivery
What countries do you ship to?
What countries do you ship to?
We can ship to these countries:
Indonesia, Japan, Malaysia, Philippines, Singapore, South Korea, Thailand, Vietnam
United States
Belgium, San Marino, Italy, Spain, Netherlands, France, Germany, Finland, Austria, Denmark, Ireland, Luxembourg, Monaco, Norway, Sweden, Switzerland, Portugal, Poland, Hungary, Canada, Estonia, Australia, Mexico, New Zealand, Bulgaria, Croatia, Cyprus, Czechia, Greece, Greenland, Iceland, Liechtenstein, Lithuania, Malta, Romania, Russia, Slovakia, Slovenia, Latvia, Turkey, United Kingdom
How long will it take to receive my order?
How long will it take to receive my order?
Estimated delivery time to USA: 3-6 workdays;
Estimated delivery time to Canada, Mexico: 4-7 workdays;
Estimated delivery time to Australia: 4-7 workdays;
Estimated delivery time to European countries: 4-7 workdays;
Estimated delivery time to Asian countries: 3-5 workdays.
Returns and Refunds
How do I return a product?
How do I return a product?
Our return policy lasts 60 days. If 60 days have gone by since the delivery, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
Steps of Returning Products to Fab Heavy Parts
1. Request returns in seconds at our return portal.
2. Fill in the email address you left with the order & the order number to start the return. Note: a correct order number format starts with a # hashtag
3. Select the items you wish to return and choose the return reason and upload photos of the received package.
Then, Fab Heavy Parts receives your return request and starts to process your return request. We may contact you for more details.
Steps after the approval of your return request:
1. A Return label will be sent to you via email. Print out the return label, place it on the parcel, and take it to the drop-off point. Make sure you properly pack the product for return if it’s returnable.
2. A refund of the original purchase price will be issued.
Any questions about returning products, please feel free to contact us at info@fabheavy.com
How long will it take to receive my refund?
How long will it take to receive my refund?
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment within 3-10 business days.
Payment Methods
What kind of payment methods do you accept?
What kind of payment methods do you accept?
We accept all major credit cards, PayPal, Google Pay, Apply Pay, Shop Pay, debit cards.
If you prefer offline payment, please contact us to get our bank transfer details.
Taxes or duties
Will I receive customs/import duties?
Will I receive customs/import duties?
For orders shipping to the United States, our price includes the import fees. The receiver/buyer doesn't need to pay any extra customs taxes, or duties for their packages. For orders shipping to non-US countries, please check our policy here.







