The PLM Heat Exchanger PLM-MSL55-HEAT-EXCHANGER is a direct-fit, high-efficiency cooling solution for the Mercedes-Benz SL55 AMG 5.5L supercharged V8. Built for performance enthusiasts and daily drivers alike, this unit drastically lowers intake air temps (IAT) to help maintain consistent horsepower even in high-heat or high-boost scenarios.
Constructed from all-aluminum and featuring a non-epoxied furnace-brazed core with CNC-machined billet necks, the PLM heat exchanger balances superior thermal transfer, durability, and a factory-style bolt-on installation.
VEHICLE FITMENT
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Mercedes-Benz SL55 AMG – 5.5L Supercharged
INSTALLATION NOTES
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SL55 Fitment:
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Requires drilling 2 new holes in the included side brackets (no vehicle cutting)
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One hose connection is on the driver side – PLM includes a longer hose at no extra cost
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HEAT EXCHANGER DIMENSIONS
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Overall Length: 35.5"
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Core (without end tanks): 28.5"
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Height: 5.5"
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Core Thickness:
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Standard Version: 2.5"
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KEY FEATURES
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1.8L fluid capacity for improved heat absorption
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4000 in² fin area for exceptional cooling
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CNC-machined billet aluminum necks
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100% TIG-welded construction
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Non-epoxied furnace-brazed core for optimal heat transfer
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Bolt-on install – no cutting/mods required on the car
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Available in XL size HERE
Note: Designed specifically for SL55 AMG. Be sure to select SL55 variant to receive extended hose.