ATG21012 Alternator MDP3939H X57521300010 8RG3119S regulator for MTU 1600 Series Engines Heavy Duty Replacement-Products-TIANGUAN-Page 1

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ATG21012 Alternator MDP3939H X57521300010 8RG3119S regulator for MTU 1600 Series Engines Heavy Duty Replacement

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PRODUCT DETAILS

ATG21012 Alternator X57521300010 MDP3939H X51621300010 24V 80A for MTU 1600 Series Engines Heavy Duty Replacement

Part Numbers
MTU: X57521300010, X51621300010, 861086
Prestolite Electric: MDP3939H, MDP3939HP, MDP3939H-P, MDP3938H-P, MDP3940H, A144E307, AVI144E3007
MAN: 51.26101-7308, 51.26101-7290

Product Description

This high-quality aftermarket 24V 80A alternator is designed as a direct replacement for MTU 1600 Series diesel engines. Manufactured to meet or exceed OEM specifications, it delivers stable charging performance, excellent durability, and dependable operation in demanding heavy-duty applications including industrial equipment, marine engines, generators, and commercial vehicles.

Direct aftermarket replacement for MTU 1600 Series engines
24 Volt, 80 Amp heavy-duty charging output
Prestolite-type alternator design
Brand new aftermarket unit
High-efficiency charging system for reliable performance
Weight: 9.3 kg

Specifications

Item	Specification
Product Type	Alternator
Voltage	24V
Output	80A
Condition	New Aftermarket Replacement
Unit Type	Prestolite-Type
Application	MTU 1600 Series Engines
Design	Heavy-Duty High-Efficiency Charging System
Weight	9.3 kg

Fitment

Engine Applications

MTU 1600 Series Diesel Engines

Suitable for various heavy-duty applications including:

Industrial Equipment
Marine Engines
Generator Sets
Heavy-Duty Commercial Vehicles

PRODUCT HIGHLIGHTS

Feature	Benefit
OEM-Quality Replacement	Direct replacement for original alternator with precise fitment
Heavy-Duty Performance	Stable 24V 80A charging for demanding operating conditions
Durable Construction	Built for long service life and reliable charging performance

SHIPPING

Item Details

Processing Time Orders are processed within 1-3 business days after payment confirmation

Shipping Methods DHL/UPS/ FedEx/ TNT/ Air Freight/ Sea Freight

Estimated Delivery Time Express shipping: 3-7 business days, depending on destination

Packaging Export-standard cartons with protective inner packing

Tracking Tracking number will be provided once the order is shipped

Shipping Cost Calculated based on weight, dimensions, and destination

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WARRANTY POLICY

All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.

SHIPPING POLICY

We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy .

EASY RETURN POLICY

We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.

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