ATG20821 Alternator 10125453 10663634 BLP3312 5483838 10995259 ALP5387DS Replacement for Liebherr D9512-A7 Engine-Products-TIANGUAN-Page 1

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ATG20821 Alternator 10125453 10663634 BLP3312 5483838 10995259 ALP5387DS Replacement for Liebherr D9512-A7 Engine

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ITEMNO： ATG20821

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PRODUCT DETAILS

ATG20821 Alternator 10125453 10663634 BLP3312 5483838 10995259 ALP5387DS Replacement for Liebherr D9512-A7 Engine PR776 24V 140A Heavy Duty

Part Numbers

Brand	Part Number
Liebherr	10125453, 10663634
Caterpillar	BLP3312
Cummins	5483838
Van Hool	10995259, 109952591
Prestolite	BLP3312, BLP3312GH, BLP3312GH1, BLP3312GH2, BLP3312HC, BLP3317A
Leece-Neville	110816, BLP3317
Volvo	LN110816
HC-Cargo	110816
BV PSH	646032140, ALT9718SA
Electrolog	ALT9718SA
KRAUF	ALP5387BJ, ALP5387DS, ALP5387UX
Cargo	115387
CAT	200619
Daimler / Van Hool	LNBLP3312

Product Specifications

Item	Specification
Condition	Aftermarket Part
Product Type	Alternator
Unit Type	Leece Neville Style
Voltage	24V
Output Current	140A
Pulley Type	0PK
Cooling Type	External Fan
Weight	12.3 KG
Application	Heavy Duty Diesel Equipment

Product Description

The ATG20821 Alternator is a high-output replacement charging unit designed for Liebherr D9512-A7 diesel engines and heavy-duty applications such as Liebherr PR776 mining and construction equipment.

This 24V 140A alternator replaces OEM and aftermarket references including Liebherr 10125453 / 10663634, Cummins 5483838, Prestolite BLP3312, Van Hool 10995259, and Volvo LN110816. It delivers reliable electrical power for demanding off-road, industrial, mining, and construction environments.

Built with a heavy-duty Leece-Neville / Prestolite style design, this alternator features durable internal components, efficient external fan cooling, and stable charging performance for long service life.

Fitment

Brand	Model / Engine
Liebherr	D9512-A7 Diesel Engine
Liebherr	PR776 Mining & Construction Equipment
Caterpillar	Heavy Duty Equipment Applications
Cummins	Industrial Diesel Engine Applications
Volvo	Industrial Equipment Applications
Van Hool	Commercial Vehicle Applications

PRODUCT HIGHLIGHTS

Product Highlights

Feature	Description	Benefit
OEM Replacement Design	Replaces Liebherr 10125453 / 10663634 alternator assemblies	Ensures compatibility with original equipment
24V 140A High Output	Provides strong charging capacity	Supports heavy-duty electrical systems
Prestolite BLP3312 Design	Proven industrial alternator platform	Reliable operation in harsh conditions
Heavy Duty Construction	Designed for mining and construction equipment	Improved durability and service life
Efficient Cooling System	External fan design for heat control	Reduces operating temperature
Multi-Application Compatibility	Cross references multiple manufacturers	Convenient replacement solution

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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