Part #: 6490SN

MPA Electrical 6490SN Starter Motor

New
11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
New
Fitment: Chevrolet, GMC, Isuzu, and Oldsmobile, Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Ascender, and Bravada
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Reliable Starter for Chevrolet, GMC, Isuzu, and Oldsmobile Vehicles

The MPA Electrical New 6490SN starter is designed to provide dependable engine starting performance for select Chevrolet, GMC, Isuzu, and Oldsmobile models. Engineered with a permanent magnet gear reduction design, this 12-volt starter delivers efficient power and smooth operation for vehicles like the Chevrolet Trailblazer and GMC Envoy.

  • Permanent magnet gear reduction design for improved torque
  • 1.6 kW power rating suitable for mid-size SUVs and trucks
  • Clockwise rotation with 11 teeth for precise engagement
  • Compatible with 12-volt electrical systems
  • Manufactured by Delco, ensuring OEM-quality components

Technical Details and Product Line Information

This starter features a 1.6 kW rating and a permanent magnet gear reduction design, which enhances torque output while reducing overall size and weight. The clockwise rotation and 11-tooth pinion gear ensure proper meshing with the engine flywheel for reliable starts. The 12-volt system compatibility makes it suitable for a range of vehicles including the Chevrolet Ascender, GMC Bravada, Isuzu models, and Oldsmobile vehicles. The MPA Electrical New product line focuses on delivering new, high-quality replacement parts that meet or exceed OEM specifications, providing a direct-fit solution for your starter replacement needs.

Applications and Common Issues Addressed

  • Replaces faulty or worn-out starters in Chevrolet Trailblazer and GMC Envoy models
  • Solves slow or no-crank engine starting problems
  • Addresses starter gear slipping or failure to engage
  • Restores reliable starting performance in 12-volt electrical systems
  • Compatible with multiple models including Isuzu and Oldsmobile vehicles

Installation Notes and Tips

Before installation, verify the part number 6490SN matches your vehicle’s requirements. Disconnect the battery to prevent electrical shorts. Ensure the starter’s clockwise rotation and 11-tooth pinion gear align with the engine flywheel. Tighten mounting bolts to manufacturer torque specifications. It is recommended to inspect related components such as the battery and wiring harness for optimal performance.

Quality Assurance and Warranty

The MPA Electrical New 6490SN starter is manufactured by Delco, a trusted name in automotive electrical components. This starter meets industry standards for durability and performance. While specific warranty details may vary, MPA Electrical products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence in the replacement part.

BrandMPA Electrical
Part Number6490SN
PositionNew
DesignPermanent Magnet Gear Reduction
ManufacturerDelco
RotationClockwise
Teeth11
Volts12 Volts
kW Rating1.6 kW

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003ChevroletTrailblazer4.2LL6N/ANew
2003ChevroletTrailblazer EXT4.2LL6N/ANew
2003GMCEnvoy4.2LL6N/ANew
2003GMCEnvoy XL4.2LL6N/ANew
2003IsuzuAscender4.2LL6N/ANew
2003OldsmobileBravada4.2LL6N/ANew
2002ChevroletTrailblazer4.2LL6N/ANew
2002ChevroletTrailblazer EXT4.2LL6N/ANew
2002GMCEnvoy4.2LL6N/ANew
2002GMCEnvoy XL4.2LL6N/ANew
2002OldsmobileBravada4.2LL6N/ANew

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

This part directly replaces or is cross-referenced with the following part numbers:

104655271046558212563863125741451258227712584048125887851913623964908104655820888643008890175570890174148901755790008759000926900096690009799000980

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