TYC

TYC 2-08302 Alternator

Brand TYC 2-08302
Fan Position Internal
Oe Manufacturer DE
Power Generation (amps) 145A
Pully Wheel Design Regular
Pully Wheel Grooves 6
Regulator Position Internal
Rotation Direction CW
Fits Chevrolet, GMC, Saab, and Buick · 12 vehicles

OE manufacturer. Built to match original equipment standards for dependable charging performance.

Internal regulator. Integrated regulation helps simplify the charging system design.

145 amps. Provides strong output for consistent electrical demand.

Cross-references ACDelco 334-2747A, ACDelco 20881337 and BBB Industries 8302 for the same application. See all 13.

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Alternator for Trailblazer, Envoy, 9-7x

This TYC alternator is a direct-fit charging system component for select Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, and Buick Rainier applications. Built with a 145-amp output, internal regulator, and internal fan, it supports stable electrical performance in vehicles with higher accessory demand.

Key Features

  • TYC Part Number 2-08302 alternator
  • 145A power generation for OE-style charging output
  • Internal regulator position for simplified electrical control
  • Internal fan position for integrated cooling design
  • Regular pulley wheel design with 6 grooves
  • Clockwise rotation direction
  • OE manufacturer reference: DE

Detailed Description

TYC 2-08302 is an alternator for 2007-2009 Chevrolet Trailblazer, 2007-2009 GMC Envoy, 2007-2009 Saab 9-7x, and 2007 Buick Rainier models. It is specified with a 145-amp output, internal voltage regulation, internal fan placement, a regular 6-groove pulley, and clockwise rotation. This configuration matches the charging-system requirements for these GM-platform vehicles and supports consistent battery charging and electrical system operation. This part cross-references ACDelco 334-2747A and Bosch AL8529X for the same application.

What It Helps Address

  • Battery warning light caused by alternator output issues
  • Low charging voltage at idle or under load
  • Dim headlights or unstable electrical performance
  • Charging system noise related to alternator wear
  • Failure to maintain battery charge during normal driving

Installation Notes and Tips

Verify pulley groove count, rotation direction, and connector style before installation. Confirm the vehicle uses an internal regulator and the correct 145A charging specification. For best results, inspect the battery, drive belt, and charging circuit connections before replacing the alternator. Compatible with 2007-2009 Chevrolet Trailblazer, 2007-2009 GMC Envoy, 2007-2009 Saab 9-7x, and 2007 Buick Rainier applications listed above.

Quality Assurance

TYC manufactures this alternator to OE-matched specifications for the listed applications, including the internal regulator and internal fan configuration. Part number 2-08302 is built for direct replacement use in the confirmed fitment range.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2009ChevroletTrailblazerLTSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2009GMCEnvoyDenaliSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2009Saab9-7x5.3iSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2008ChevroletTrailblazerBaseSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2008ChevroletTrailblazerLTSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2008GMCEnvoyDenaliSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2008Saab9-7x5.3iSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2007BuickRainierCXLSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2007ChevroletTrailblazerLTSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2007ChevroletTrailblazerLSSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2007GMCEnvoyDenaliSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
2007Saab9-7x5.3iSport Utility5.3LV8N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 145A
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 334-2747AACDelco — 20881337BBB Industries — 8302Bosch — AL8529XBuick — 15225927Chevrolet — 15225927GMC — 15225927Lester — 8302MPA — 8302603Remy — 22020Saab — 15 259 927USA Industries — 8302WPS World Power Systems — 8302N-6G1