Wehrli WCF100185 High Flow Turbo Pedestal Kit for 2017-2023 L5P Duramax For Sale

Upgrade your 2017–2023 L5P Duramax with the Wehrli WCF100185 High Flow Turbo Pedestal Kit. This direct-fit replacement features a robust 316 stainless steel design, ensuring durability with a 12.7% airflow increase over stock.

Includes ARP hardware for easy installation. Perfect for aggressive tuning and upgraded

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Part Brand: Wehrli

Part Number: WCF100185

• 2017–2023 Chevrolet Silverado 2500HD/3500HD (6.6L Duramax L5P)
• 2017–2023 GMC Sierra 2500HD/3500HD (6.6L Duramax L5P)
• 2019–2023 GM 4500/5500/6500 (6.6L Duramax L5D)

• Direct-fit replacement for the factory turbo pedestal — no modification required.

• Cast from 316 stainless steel, machined in the USA
• 12.7% increased airflow over the factory pedestal
• Port-matched turbo and up-pipe openings for improved exhaust flow
• Thicker wall design prevents the cracking and warping common on the OEM pedestal
• Reinforced flange reduces heat distortion under sustained high-boost conditions
• Stronger, formed threads resist stripping compared to factory casting
• Includes ARP turbo-to-pedestal mounting bolts
• Built to handle upgraded turbos and aggressive tuning

• Material: 316 Stainless Steel
• Airflow Increase: 12.7% over OEM
• Construction: Cast and Machined in USA

• 1x High Flow Turbo Pedestal
• 4x ARP Turbo Mounting Bolts

The factory turbo pedestal on the L5P Duramax has a well-documented weak point: thin walls that crack and warp once a truck is pushed past stock power, especially with an upgraded turbo or aggressive tuning. The Wehrli WCF100185 addresses that at its core, cast from 316 stainless steel with significantly thicker walls and a reinforced flange that resists the heat distortion that kills the OEM piece.

Beyond the durability gains, the port-matched openings at the turbo and up-pipes deliver a 12.7% airflow increase over stock, so the upgrade isn\'t just about surviving higher boost — it actually helps the turbo breathe better while doing it. Cast and machined entirely in the USA, it\'s a direct-fit replacement that comes with the ARP hardware needed to mount the turbo, making it a practical foundation piece for any L5P or L5D build running upgraded boost.

*Parts are for USA spec vehicles, please contact us to verify fitment on JDM & international models.

· · · SHIPPING · · ·

• Free shipping across the contiguous 48 United States (excludes Hawaii and Alaska). Item(s) ships on the same day or within 1 business day. Delivery time is within 2 to 4 business days excluding next day deliveries. Orders over $750 require signature for delivery.
• Canada customers - If does not collect import & duty fees during checkout, the shipping carrier will collect them prior to delivery.

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• Your complete shopping satisfaction is our #1 priority. If an item you ordered from us does not meet your expectations, please contact us within 30 days of receiving the item(s). If your order arrives damaged from shipping please contact us and we will provide a prepaid return label to send back for a replacement or refund.

• Returned items must be in the original packaging (including plastic wrapped items) and in brand new condition.
• Any returns received installed, mounted, used or missing components will be subject to return fee\'s.

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