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Blog Post: Cadillac STS-V Optional Differential Cooler – Cool at a Price

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Reading through old Techlink Articles I found this gem: Differential Cooler A differential cooler assembly is available for the Cadillac STS-V (fig. 1). The part number is 15868857. The system is designed to reduce the operating temperature of the rear differential fluid when the STS-V is driven at extended high speed or in competitive driving. [...]

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2023 Cadillac CT4-V Blackwing

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