We do starter motor and alternator for all the follow brands

1.Starter - Delco PG260D Series

2.12 Volt, CW, 9-Tooth Pinion

3.Used On (2007-04) Buick Rainier 5.3L
  (2005-03) Cadillac Escalade 5.3L
  (2008-03) Chevrolet Avalanche 5.3L
  (2007-04) Chevrolet Express, GMC Savana 4.8L, 5.3L
  (2008-03) Chevrolet Silverado, GMC Sierra 4.8L, 5.3L
  (2004) Chevrolet SSR 5.3L
  (2008-03) Chevrolet Suburban 5.3L
  (2008-03) Chevrolet Tahoe, GMC Yukon 4.8L, 5.3
  (2009-04) Chevrolet Trailblazer, GMC Envoy 5.3L
  (2006-05) Isuzu Ascender 5.3L
  (2008-05) Saab 9-7X 5.3L
4.Replaces Delco 8000045, 9000939, 12578050, 12592294
5.Lester Nos 6494
6.Notes Also replaces Delco PG260F2 Starters: 9000842, 12560672 (Lester 6488) with short inboard mtg. bolt, however 6494N will require the included 85-1507 M10 x 1.50 x 113mm inboard mtg. bolt.
  Also replaces Delco PG260G Starters: 9000873, 925 (Lester 6489).
  Components 1) 85-1507 Mtg. Bolt (M10 x 1.50 x 113mm)
7.Features 80% New
  OE performance torque & output
  Field case assys. are 100% tested on a computerized gaussmeter to measure magnet strength & position
  Zinc plated field case, solenoid, C.E. cover & hardware
  Armatures are precision balanced & feature banded hairpins
  Commutators are stake-welded & polished for longer brush life
  Starter, drive & solenoid are endurance tested
  Also Consider 6494Z  Starter, PG260D, Zen Drive 
8.OE Bill Of Materials 6494N