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STG51503 Starter Motor 10461045 10479150 for Caterpillar 3406 Chevrolet GMC Trucks 1985–1988 | 12V 7.3KW 11T CW DD Replacement

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ITEMNO： STG51503

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PRODUCT DETAILS

STG51503 Starter Motor 10461045 10479150 for Caterpillar 3406 Chevrolet GMC Trucks 1985–1988 | 12V 7.3KW 11T CW DD Replacement

Part Numbers

Delco Remy: 10461045 / 10479150 / 1990396 / 1990450 / 1990458
Arrowhead: SDR0077 / IS1178
J&N Electrical Products: 410-12057 / 410-12057R
Lester: 6503 / 6551
Letrika (Iskra) Aftermarket: IS 1178

Product Description

The STG51503 Starter Motor is an aftermarket replacement for compatible Delco 42MT starter applications. Designed for heavy-duty starting requirements, this 12V direct-drive starter features an 11-tooth pinion, clockwise rotation, a 6/8 pitch gear, and an insulated construction. It is associated with Caterpillar 3406 engine applications and selected Chevrolet and GMC truck models from 1985 to 1988.

Before ordering, compare the original starter part number, mounting flange, gear specifications, and electrical connections to confirm compatibility.

Product Specifications

Property	Value
SKU / Model	STG51503
Product Type	Starter Motor
Starter Series	Delco 42MT
Item Condition	Aftermarket Part
System Voltage	12V
Output Power	7.3 kW
Rotation	CW (Clockwise, viewed from drive end)
Number of Teeth	11T
Gear Pitch	6/8 Pitch
Starter Type	DD (Direct Drive)
Mounting Interface	SAE No. 3 Flange, typically 3-hole mounting
Grounding Type	Insulated
Application	Caterpillar Engines / Chevrolet & GMC Trucks
Compatible Engine	Caterpillar 3406
Estimated Net Weight	26.7kg

OEM / Cross Reference Numbers

Brand / Category	Part Numbers
Delco Remy	10461045 / 10479150 / 1990396 / 1990450 / 1990458
Arrowhead	SDR0077 / IS1178
J&N Electrical Products	410-12057 / 410-12057R
Lester	6503 / 6551
Letrika (Iskra) Aftermarket	IS 1178

Compatible Applications

Make	Equipment Type	Model	Year	Engine
Caterpillar	Diesel Engine / Industrial Equipment	3406	Verify by application	3406
Chevrolet	Truck	Compatible models to be confirmed	1985–1988	Verify by original starter
GMC	Truck	Compatible models to be confirmed	1985–1988	Verify by original starter

PRODUCT HIGHLIGHTS

Product Highlights

Heavy-Duty Starting Power	Direct-Drive Design	Installation Compatibility
Approx. 7.3–7.5 kW output for demanding starting applications	Traditional Delco 42MT-style DD configuration	11T pinion, 6/8 pitch, SAE No. 3 flange, and insulated construction

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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