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MPA Electrical 6494SN Starter Motor

Brand	MPA Electrical 6494SN
Design	Permanent Magnet Gear Reduction
Manufacturer	Delco
Rotation	Clockwise
Teeth	9
Volts	12 Volts
kW Rating	1.2 kW
Product line	New
Fits	Chevrolet, GMC, Saab, Buick, Isuzu, and Cadillac · 144 vehicles

Gear reduction design. Delivers efficient starting power in a compact starter.

1.2 kW output. Provides dependable cranking performance for 12-volt systems.

Delco manufacturer. Built to match the original equipment style and quality.

Cross-references 8-89017-440-0, 8-89017-631-0 and 89 01 7440 for the same application. See all 20.

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Starter for GM Trucks and SUVs

MPA Electrical 6494SN is a 12-volt starter built with a permanent magnet gear reduction design and a 1.2 kW rating. It uses a clockwise rotation and a 9-tooth drive, making it a direct replacement option for a wide range of GM trucks, vans, and SUVs.

Compatible With Chevrolet Silverado 1500, Tahoe, Suburban 1500, Avalanche, Trailblazer, Express vans, and related GMC, Buick, Saab, Isuzu, and Cadillac applications listed below. The 6494SN is also a fitment match for common OE cross-reference numbers used on these vehicles.

Permanent magnet gear reduction starter design
1.2 kW output for 12-volt starting systems
Clockwise rotation with 9-tooth drive
OE-style replacement for Delco applications
MPA Electrical 6494SN starter for GM light-duty and full-size platforms

Fitment Details

This starter fits 2003-2009 Chevrolet Suburban 1500, N/A; 2005-2009 GMC Envoy, N/A; 2007-2008 Chevrolet Avalanche, N/A; 2003-2008 Chevrolet Silverado 1500, N/A; 2008 Chevrolet Silverado 2500, N/A; 2003 Chevrolet Silverado 2500, N/A; 2003-2008 Chevrolet Tahoe, N/A; 2006-2008 Chevrolet Trailblazer, N/A; 2007-2008 GMC Sierra, N/A; 2003-2008 GMC Sierra 1500, N/A; 2003-2008 GMC Yukon, N/A; 2003-2008 GMC Yukon XL 1500, N/A; 2005-2008 Saab 9-7x, N/A; 2004-2007 Buick Rainier, N/A; 2004-2007 Chevrolet Express 1500, N/A; 2004-2007 Chevrolet Express 2500, N/A; 2004-2007 Chevrolet Express 3500, N/A; 2007 Chevrolet Silverado 1500 Classic, N/A; 2004-2007 GMC Savana 1500, N/A; 2004-2007 GMC Savana 2500, N/A; 2004-2007 GMC Savana 3500, N/A; 2007 GMC Sierra 1500 Classic, N/A; 2003-2006 Chevrolet Avalanche 1500, N/A; 2004-2006 Chevrolet Trailblazer EXT, N/A; 2004-2006 GMC Envoy XL, N/A; 2004-2006 Isuzu Ascender, N/A; 2003-2005 Cadillac Escalade, N/A; 2004-2005 GMC Envoy XUV, N/A; and 2003-2004 Chevrolet SSR, N/A.

What This Starter Helps Resolve

Slow or no-crank starting conditions
Starter motor failure from worn internal components
Intermittent starting on 12-volt GM applications
Grinding or weak engagement related to drive wear
Replacement needs for Delco-style starter applications

Installation Notes and Tips

Verify the vehicle’s original starter specifications before installation, including 12-volt system voltage, clockwise rotation, 9-tooth drive count, and 1.2 kW rating. Confirm the application against the exact year, make, and model listed for your vehicle, especially on Silverado, Sierra, Tahoe, Yukon, and Express/Savana platforms. This part cross-references Delco-style OE numbers such as 12578050 and 12592294 for the same application.

Quality Assurance

MPA Electrical supplies this starter as a new replacement part under the MPA Electrical New line. It is built to match the listed OE-style specifications for the confirmed applications above.

This part fits 144 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Fuel Type	Position	Notes
2009	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	New
2009	GMC	Envoy	5.3L	V8	—	N/A	New
2008	Chevrolet	Avalanche	5.3L	V8	—	N/A	New
2008	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	New
2008	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	New
2008	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	New
2008	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	New
2008	Chevrolet	Tahoe	5.3L	V8	—	N/A	New
2008	Chevrolet	Tahoe	4.8L	V8	—	N/A	New
2008	Chevrolet	Trailblazer	5.3L	V8	—	N/A	New
2008	GMC	Envoy	5.3L	V8	—	N/A	New
2008	GMC	Sierra	5.3L	V8	—	N/A	New
2008	GMC	Sierra 1500	5.3L	V8	—	N/A	New
2008	GMC	Sierra 1500	4.8L	V8	—	N/A	New
2008	GMC	Yukon	5.3L	V8	—	N/A	New
2008	GMC	Yukon	4.8L	V8	—	N/A	New
2008	GMC	Yukon XL 1500	5.3L	V8	—	N/A	New
2008	Saab	9-7x	5.3L	V8	—	N/A	New
2007	Buick	Rainier	5.3L	V8	—	N/A	New
2007	Chevrolet	Avalanche	5.3L	V8	—	N/A	New
2007	Chevrolet	Express 1500	5.3L	V8	—	N/A	New
2007	Chevrolet	Express 2500	4.8L	V8	—	N/A	New
2007	Chevrolet	Express 3500	5.3L	V8	—	N/A	New
2007	Chevrolet	Express 3500	4.8L	V8	—	N/A	New
2007	Chevrolet	Silverado 1500	5.3L	V8	GAS	N/A	New
2007	Chevrolet	Silverado 1500	5.3L	V8	FLEX	N/A	New
2007	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	New
2007	Chevrolet	Silverado 1500 Classic	5.3L	V8	GAS	N/A	New
2007	Chevrolet	Silverado 1500 Classic	5.3L	V8	FLEX	N/A	New
2007	Chevrolet	Silverado 1500 Classic	4.8L	V8	—	N/A	New
2007	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	New
2007	Chevrolet	Tahoe	5.3L	V8	—	N/A	New
2007	Chevrolet	Tahoe	4.8L	V8	—	N/A	New
2007	Chevrolet	Trailblazer	5.3L	V8	—	N/A	New
2007	GMC	Envoy	5.3L	V8	—	N/A	New
2007	GMC	Savana 1500	5.3L	V8	—	N/A	New
2007	GMC	Savana 2500	4.8L	V8	—	N/A	New
2007	GMC	Savana 3500	4.8L	V8	—	N/A	New
2007	GMC	Sierra	5.3L	V8	—	N/A	New
2007	GMC	Sierra 1500	5.3L	V8	GAS	N/A	New
2007	GMC	Sierra 1500	5.3L	V8	FLEX	N/A	New
2007	GMC	Sierra 1500	4.8L	V8	—	N/A	New
2007	GMC	Sierra 1500 Classic	5.3L	V8	GAS	N/A	New
2007	GMC	Sierra 1500 Classic	5.3L	V8	FLEX	N/A	New
2007	GMC	Sierra 1500 Classic	4.8L	V8	—	N/A	New
2007	GMC	Yukon	5.3L	V8	—	N/A	New
2007	GMC	Yukon	4.8L	V8	—	N/A	New
2007	GMC	Yukon XL 1500	5.3L	V8	—	N/A	New
2007	Saab	9-7x	5.3L	V8	—	N/A	New
2006	Buick	Rainier	5.3L	V8	—	N/A	New
2006	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	New
2006	Chevrolet	Express 1500	5.3L	V8	—	N/A	New
2006	Chevrolet	Express 2500	4.8L	V8	—	N/A	New
2006	Chevrolet	Express 3500	5.3L	V8	—	N/A	New
2006	Chevrolet	Express 3500	4.8L	V8	—	N/A	New
2006	Chevrolet	Silverado 1500	5.3L	V8	GAS	N/A	New
2006	Chevrolet	Silverado 1500	5.3L	V8	FLEX	N/A	New
2006	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	New
2006	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	New
2006	Chevrolet	Tahoe	5.3L	V8	—	N/A	New
2006	Chevrolet	Tahoe	4.8L	V8	—	N/A	New
2006	Chevrolet	Trailblazer	5.3L	V8	—	N/A	New
2006	Chevrolet	Trailblazer EXT	5.3L	V8	—	N/A	New
2006	GMC	Envoy	5.3L	V8	—	N/A	New
2006	GMC	Envoy XL	5.3L	V8	—	N/A	New
2006	GMC	Savana 1500	5.3L	V8	—	N/A	New
2006	GMC	Savana 2500	4.8L	V8	—	N/A	New
2006	GMC	Savana 3500	4.8L	V8	—	N/A	New
2006	GMC	Sierra 1500	5.3L	V8	GAS	N/A	New
2006	GMC	Sierra 1500	5.3L	V8	FLEX	N/A	New
2006	GMC	Sierra 1500	4.8L	V8	—	N/A	New
2006	GMC	Yukon	5.3L	V8	—	N/A	New
2006	GMC	Yukon	4.8L	V8	—	N/A	New
2006	GMC	Yukon XL 1500	5.3L	V8	—	N/A	New
2006	Isuzu	Ascender	5.3L	V8	—	N/A	New
2006	Saab	9-7x	5.3L	V8	—	N/A	New
2005	Buick	Rainier	5.3L	V8	—	N/A	New
2005	Cadillac	Escalade	5.3L	V8	—	N/A	New
2005	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	New
2005	Chevrolet	Express 1500	5.3L	V8	—	N/A	New
2005	Chevrolet	Express 2500	5.3L	V8	—	N/A	New
2005	Chevrolet	Express 2500	4.8L	V8	—	N/A	New
2005	Chevrolet	Express 3500	5.3L	V8	—	N/A	New
2005	Chevrolet	Express 3500	4.8L	V8	—	N/A	New
2005	Chevrolet	Silverado 1500	5.3L	V8	GAS	N/A	New
2005	Chevrolet	Silverado 1500	5.3L	V8	FLEX	N/A	New
2005	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	New
2005	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	New
2005	Chevrolet	Tahoe	5.3L	V8	—	N/A	New
2005	Chevrolet	Tahoe	4.8L	V8	—	N/A	New
2005	Chevrolet	Trailblazer EXT	5.3L	V8	—	N/A	New
2005	GMC	Envoy	5.3L	V8	—	N/A	New
2005	GMC	Envoy XL	5.3L	V8	—	N/A	New
2005	GMC	Envoy XUV	5.3L	V8	—	N/A	New
2005	GMC	Savana 1500	5.3L	V8	—	N/A	New
2005	GMC	Savana 2500	5.3L	V8	—	N/A	New
2005	GMC	Savana 2500	4.8L	V8	—	N/A	New
2005	GMC	Savana 3500	4.8L	V8	—	N/A	New
2005	GMC	Sierra 1500	5.3L	V8	GAS	N/A	New
2005	GMC	Sierra 1500	5.3L	V8	FLEX	N/A	New
2005	GMC	Sierra 1500	4.8L	V8	—	N/A	New
2005	GMC	Yukon	5.3L	V8	—	N/A	New
2005	GMC	Yukon	4.8L	V8	—	N/A	New
2005	GMC	Yukon XL 1500	5.3L	V8	—	N/A	New
2005	Isuzu	Ascender	5.3L	V8	—	N/A	New
2005	Saab	9-7x	5.3L	V8	—	N/A	New
2004	Buick	Rainier	5.3L	V8	—	N/A	New
2004	Cadillac	Escalade	5.3L	V8	—	N/A	New
2004	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	New
2004	Chevrolet	Express 1500	5.3L	V8	—	N/A	New
2004	Chevrolet	Express 2500	5.3L	V8	—	N/A	New
2004	Chevrolet	Express 2500	4.8L	V8	—	N/A	New
2004	Chevrolet	Express 3500	5.3L	V8	—	N/A	New
2004	Chevrolet	Express 3500	4.8L	V8	—	N/A	New
2004	Chevrolet	Silverado 1500	5.3L	V8	GAS	N/A	New
2004	Chevrolet	Silverado 1500	5.3L	V8	FLEX	N/A	New
2004	Chevrolet	Silverado 1500	4.8L	V8	—	N/A	New
2004	Chevrolet	SSR	5.3L	V8	—	N/A	New
2004	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	New
2004	Chevrolet	Tahoe	5.3L	V8	—	N/A	New
2004	Chevrolet	Tahoe	4.8L	V8	—	N/A	New
2004	Chevrolet	Trailblazer EXT	5.3L	V8	—	N/A	New
2004	GMC	Envoy XL	5.3L	V8	—	N/A	New
2004	GMC	Envoy XUV	5.3L	V8	—	N/A	New
2004	GMC	Savana 1500	5.3L	V8	—	N/A	New
2004	GMC	Savana 2500	5.3L	V8	—	N/A	New
2004	GMC	Savana 2500	4.8L	V8	—	N/A	New
2004	GMC	Savana 3500	4.8L	V8	—	N/A	New
2004	GMC	Sierra 1500	5.3L	V8	—	N/A	New
2004	GMC	Sierra 1500	4.8L	V8	—	N/A	New
2004	GMC	Yukon	5.3L	V8	—	N/A	New
2004	GMC	Yukon	4.8L	V8	—	N/A	New
2004	GMC	Yukon XL 1500	5.3L	V8	—	N/A	New
2004	Isuzu	Ascender	5.3L	V8	—	N/A	New
2003	Cadillac	Escalade	5.3L	V8	—	N/A	New
2003	Chevrolet	Avalanche 1500	5.3L	V8	—	N/A	New
2003	Chevrolet	Silverado 1500	5.3L	V8	—	N/A	New
2003	Chevrolet	Silverado 2500	5.3L	V8	—	N/A	New
2003	Chevrolet	SSR	5.3L	V8	—	N/A	New
2003	Chevrolet	Suburban 1500	5.3L	V8	—	N/A	New
2003	Chevrolet	Tahoe	5.3L	V8	—	N/A	New
2003	GMC	Sierra 1500	5.3L	V8	—	N/A	New
2003	GMC	Yukon	5.3L	V8	—	N/A	New
2003	GMC	Yukon XL 1500	5.3L	V8	—	N/A	New
No rows match your filter.

Directly replaces or cross-references 20 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

8-89017-440-08-89017-631-089 01 744089 01 763189 01 812389-01-81238000045800015090009391257805012592294126044778886193588864478890174408901763189018123889017440088901763108890181230