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STG51010 Starter Drive Bendix Gear 1820040 820583 for Mercury Outboard Kohler Engine | 9T CCW Replacement

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PRODUCT DETAILS

STG51010 Starter Drive Bendix Gear 1820040 820583 for Mercury Outboard Kohler Engine | 9T CCW Replacement

Part Numbers

United Tech: 1820040 / 1820040-DV30SM / 6743020-MO30SM / 6767520-MO30SM / 6873720-MO30SM / 7010140 / 7010140-DV30SM / DV18200 / DV70101
Mercury Marine: 820583 / 802640 / 802640T
Arrowhead: SAB5303 / 220-21014
J & N: 220-21014

Product Description

STG51010 Starter Drive Bendix Gear is a new aftermarket replacement designed for compatible Mercury Marine outboard and Kohler engine starter applications.

This starter drive features a 9-tooth pinion gear with counterclockwise (CCW) rotation, designed for United Tech starter assemblies. It is engineered to engage the engine flywheel during starting and retract after the starter disengages.

The drive cross-references United Tech 1820040, Mercury Marine 820583, Arrowhead SAB5303, J&N 220-21014, ARCO Marine DV325, Sierra Marine 18-5659, and other aftermarket numbers.

Product Specifications

Property	Value
Product Model	STG51010
Part Number	1820040
Unit Type	Starter Drive
Part Type	DRIVE
Teeth	9T
Rotation	CCW
Gear Outer Diameter	28.8 mm
Gear Inner Diameter	12.3 mm
Overall Length	36.4 mm
Number of Splines	6
Retaining Hardware	Nut Included
Compatible Starter	United Tech Starters
Application	Mercury Outboard / Kohler Engine Starter
Condition	0.5kg

OEM / Cross Reference Table

Brand / Category	Part Number
UNITED TECH	1820040 / 1820040-DV30SM / 6743020-MO30SM / 6767520-MO30SM / 6873720-MO30SM / 7010140 / 7010140-DV30SM / DV18200 / DV70101
MERCURY MARINE	820583 / 802640 / 802640T
ARROWHEAD	SAB5303 / 220-21014
J & N	220-21014
ARCO MARINE	DV325
EMP PARTS	4-5659
SIERRA MARINE	18-5659
WAI	54-7001

Compatible Applications

Compatible Model / Equipment	Application
Mercury Marine SportJet 120 Jet Drive	1995 applications; selected serial-number ranges
Mercury Marine SportJet 90 Jet Drive	1993–1994 applications
Mercury Marine SportJet 90 Powerhead	1993–1994 applications
Mercury Marine SportJet 95XR Jet Drive	1996–1997 applications
Mercury Marine SportJet 95XR Powerhead	1996–1997 applications
Kohler Engine Applications	Compatible United Tech starter assemblies
United Tech Starters	Starter drive replacement

PRODUCT HIGHLIGHTS

Product Highlights

9T CCW Starter Drive	Mercury & Kohler Compatibility	Multiple Cross References
28.8 mm Gear OD	Mercury Marine Outboard Applications	United Tech 1820040
6-Spline Design	United Tech Starter Assemblies	Mercury 820583 / Arrowhead SAB5303

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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