24V 75A Alternator 1117805 – 30SI Heavy-Duty for Cummins K19 QSK19 QSM11 Engines-Products-TIANGUAN-Page 1

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24V 75A Alternator 1117805 – 30SI Heavy-Duty for Cummins K19 QSK19 QSM11 Engines

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US$148.00

ITEMNO： ATG20970

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PRODUCT DETAILS

ATG20970 Alternator – 30SI 24V 75A

Fits Cummins K19 / QSK19 / QSM11 | Replaces 3056492, 1117805

The ATG20970 Alternator (30SI Series) is a heavy-duty, high-performance replacement designed for Cummins K19, QSK19, and QSM11 diesel engines. Built to meet OEM standards, it delivers reliable 24V charging power for industrial, marine, and heavy equipment applications.

🔧 Product Specifications

Item	Details
Product Type	Alternator
Model	30SI Series
Voltage	24V
Amperage	75A
Mount Type	J180 Hinge
B+ Terminal	1/4" Stud
R Terminal	PIN
I Terminal	None
Remote Sense	No
Ground	Negative
Housing Material	Cast Aluminum
Condition	100% Brand New

🔁 Cross Reference / OEM Numbers

Brand	Part Numbers
Cummins	3056492, 1117805
Aftermarket	ATG20970

✅ Compatibility

Category	Models / Details
Engine Models	Cummins K19, QSK19, QSM11
Applications	Industrial Equipment, Marine, Heavy Machinery

PRODUCT HIGHLIGHTS

No.	Highlight	Description
1	Heavy-Duty 30SI Performance	Delivers stable 24V 75A output for demanding diesel engine applications
2	Direct OEM Replacement Fit	Replaces 3056492 and 1117805 with perfect compatibility
3	Durable Industrial Construction	Cast aluminum housing with sealed components for long service life

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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