HP Tuners HPT GM E42 L5P Global B ECM Upgrade (*VIN & Original ECM Required*) ECM-E42-L5P-U
HPT ECM - Upgrade
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Accessories
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Air and Fuel Delivery
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Belts and Cooling
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Body
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Brake
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Engine
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Driveline and Axles
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Electrical, Charging and Starting
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Electrical, Lighting and Body
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Emission Control
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Entertainment and Telematics
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Exhaust
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HVAC
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Ignition
- Plumbing
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Suspension
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Steering
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Tire and Wheel
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Transfer Case
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Transmission
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Wiper and Washer