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Base
- 3.6L (VIN 7, 8th digit, opt LY7)
  - crankshaft key
  - Without crankshaft key
- 4.6L (VIN A, 8th digit, opt LH2)
  - belt driven cooling fan
  - electric cooling fan
V-Series
- (4.4L, VIN D, 8th digit, opt LC3)

Engine Assembly for 2007 Cadillac STS

Fits: V-Series 4.4L, VIN D, 8th digit, opt LC3 (change)

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