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STG51490 Starter Motor RE24305 RE41754 RE51579 RE51792 for Caterpillar 3406 3408 3412 Marine Engines | 12V 7.3kW CW 11T DD 42MT Replacement

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PRODUCT DETAILS

STG51490 Starter Motor RE24305 RE41754 RE51579 RE51792 for Caterpillar 3406 3408 3412 Marine Engines | 12V 7.3KW CW 11T DD 42MT Replacement

Part Numbers

AC Delco: 323-867
Arrowhead: SDR0226 / D10461052 / MS61 / IS1178
Cargo: 112089
Case: 140855A3
Delco: 10461038 / 10461052 / 10461778 / 10478810 / 10478951 / 10478983 / 10479277 / 1990337 / 1990348 / 1990354 / 1990358 / 1990376 / 1990386 / 1990392 / 1990470 / 1990475 / 1990477 / 1993807 / 1993816 / 1993934 / 1993977 / 1993982
Euclid: E-821124X
J&N: 410-12057 / 410-12057R / 410-12222 / 410-12633
John Deere: RE24305 / RE41754 / RE51579 / RE51792 / SE501451 / TY6728
Lester: 6352 / 6549
Letrika (Iskra) Aftermarket: IS 1178
Mahle: MS61
New Holland: 9706425
NSA: STR-4200
Quicksilver: 8M6007278
Remy Light Duty: 61420
Unipoint: STR-4200
Versatile: V90562 / V90563
WAI: 6356N

Product Description

The STG51490 Starter Motor is an aftermarket replacement for compatible Delco 42MT starter applications. Designed for selected Caterpillar marine and industrial engines, it operates on a 12V electrical system and features clockwise (CW) rotation, an 11-tooth pinion, and a Direct Drive (DD) configuration.

This replacement unit features a left-hand mounting design with 5/8-inch mounting holes and a 55.9mm gear outside diameter. It cross-references multiple part numbers from Delco, John Deere, Arrowhead, Lester, and other manufacturers. Confirm the original starter number and mounting specifications before ordering.

Product Specifications

Property	Value
SKU	STG51490
Unit Type	Starter Motor
Starter Design	Delco 42MT Replacement
Voltage	12V
Rotation	Clockwise (CW)
Tooth Count	11
Starter Type	Direct Drive (DD)
Gear Outside Diameter	2.201 in / 55.9 mm
Solenoid Position	82°
Mounting Ear Holes	0.660 in, unthreaded
Mounting Configuration	Left-hand mount; 5/8 in mounting holes as specified
Condition	Aftermarket Part
Approximate Weight	26.7 kg

OEM / Cross Reference Numbers

Brand / Category	Part Numbers
AC Delco	323-867
Arrowhead	SDR0226 / D10461052 / MS61 / IS1178
Cargo	112089
Case	140855A3
Delco	10461038 / 10461052 / 10461778 / 10478810 / 10478951 / 10478983 / 10479277 / 1990337 / 1990348 / 1990354 / 1990358 / 1990376 / 1990386 / 1990392 / 1990470 / 1990475 / 1990477 / 1993807 / 1993816 / 1993934 / 1993977 / 1993982
Euclid	E-821124X
J&N	410-12057 / 410-12057R / 410-12222 / 410-12633
John Deere	RE24305 / RE41754 / RE51579 / RE51792 / SE501451 / TY6728
Lester	6352 / 6549
Letrika (Iskra) Aftermarket	IS 1178
Mahle	MS61
New Holland	9706425
NSA	STR-4200
Quicksilver	8M6007278
Remy Light Duty	61420
Unipoint	STR-4200
Versatile	V90562 / V90563
WAI	6356N

Compatible Applications

Make	Model	Year	Engine
Caterpillar	3406 Marine Engine	1985–1995	6-cylinder, 893 cu in / 14.6L
Caterpillar	3408 Marine Engine	1986–1990	8-cylinder, 1,099 cu in / 18.0L
Caterpillar	3412 Marine Engine	1986–1990	12-cylinder, 1,649 cu in / 27.0L
Caterpillar	Other compatible industrial and marine applications	Verify	Confirm original starter reference
John Deere	Selected engine applications	Verify	Match OEM reference
Case / New Holland / Versatile	Selected equipment applications	Verify	Match OEM reference
Other listed makes	Champion, Chevrolet/GMC trucks, Clark, Ford, Freightliner, International Harvester, Mack, Volvo trucks	Verify	Confirm starter and mounting specifications

PRODUCT HIGHLIGHTS

Product Highlights

Heavy-Duty 42MT Design	Detailed Mounting Specifications	Broad Cross-Reference Coverage
Designed as a replacement for compatible Delco 42MT starter units	12V, 11-tooth pinion, 55.9mm gear OD, and 82° solenoid position	Cross-references Delco, John Deere, Arrowhead, Lester, and other listed brands

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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