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Air and Fuel› Superchargers, Turbochargers and Components

Whipple

3.0L Intercooled Twin-Screw Supercharger Kit

$8,899.99 $8,499.99 Save $400.00

SKU: WK-1210

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$100 Minimum Order
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Overview

The Whipple WK-1210 is a 3.0L intercooled supercharger kit designed for the 2019-2021 5.3L GMC Sierra 1500. It features a twin-screw, positive displacement compressor that delivers significant power across the entire RPM range. This kit is 50-state legal and designed to fit under the factory hood and cowl, maintaining a hidden appearance. The supercharger utilizes technology found in Ford and Mercedes-Benz vehicles and includes an air-bypass system for improved fuel economy.
Show original supplier description
The Whipple Gen 5 3.0L Intercooled Supercharger Kit (WK-1210-30) provides a substantial power increase for your 2019-2021 5.3L GMC Sierra 1500. Engineered with Whipple's advanced positive-displacement twin-screw compressor technology, this kit delivers massive power gains across the entire RPM range, offering an exciting driving experience. Constructed from premium materials with a durable black finish, this supercharger is built to resist rust and corrosion. Its design allows it to fit discreetly under the factory hood and cowl, keeping the performance upgrade hidden. The kit also incorporates Whipple's air-bypass system, which helps ensure unsurpassed fuel economy, and produces undetectable noise levels, making it a refined performance enhancement. Installation is rated as medium difficulty and can typically be completed in approximately 1 hour with common garage tools. The supercharger itself is more efficient than Roots or centrifugal-type blowers and employs the same compressor technology utilized by Ford and Mercedes-Benz. This kit is also emissions-legal in all 50 states, offering a compliant power boost. The Whipple WK-1210 supercharger kit is specifically engineered for a precision fit on all 2019-2021 5.3L GMC Sierra 1500 models. It comes with a 1-year limited warranty.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandWhipple
Part NumberWK-1210
CategoryAir and Fuel
5,000+ Trusted brands
1M+ Enthusiasts
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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