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Wehrli Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red
Wehrli Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red
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Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red

Wehrli
WCFWCF100541-RED
WCF100541-RED
Radiator Hoses
2 Units In Stock - Ships Next Business Day
$ 200.00 $ 194.00
$ 194.00

SKU: WCF100541-RED

Wehrli 2020-2025 Chevrolet GMC 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red

Replace the failure-prone OEM rubber and plastic upper radiator hose on your 2020-2025 Chevrolet Silverado or GMC Sierra 2500/3500 HD with the Wehrli Custom Fab aluminum hard pipe in striking red powder coat finish. This direct-fit upgrade ensures reliable coolant flow under high-performance demands of the 6.6L L5P Duramax diesel engine. Engineered for seamless integration with OEM GM radiators to prevent leaks and overheating.

Key Features

  • Aluminum Construction: Mandrel-bent 6061-T6 aluminum tubing resists cracking and delivers consistent coolant flow for lower engine temps
  • Powder Coated Finish: Durable red powder coat resists corrosion heat and road debris while adding custom style to your engine bay
  • Direct OEM Replacement: Bolt-on design matches factory routing and connections for easy swap without modifications
  • Enhanced Durability: Eliminates weak rubber and plastic components prone to failure in heavy-duty towing and performance use
  • Precision Fitment: Laser-cut flanges and CNC-machined fittings ensure leak-free seals on all L5P Duramax applications

Product Notes

  • Designed exclusively for OEM GM radiators. aftermarket radiators may require adjustments for proper fit
  • Coolant pipe only. includes all necessary O-rings and hardware for installation
  • Ships ready-to-install with protective packaging to prevent damage

Installation Notes

  • Professional installation recommended.
  • Drain coolant system before removal. reuse OEM clamps if in good condition
  • Compatible with factory thermostat housing and radiator neck. torque fittings to GM specs

This Part Fits

Year Make Model Submodel
2020-2025 GMC Sierra 2500 HD AT4
2024-2025 GMC Sierra 2500 HD AT4X
2020-2021 GMC Sierra 2500 HD Base
2020-2025 GMC Sierra 2500 HD Denali
2024-2025 GMC Sierra 2500 HD Denali Ultimate
2022-2025 GMC Sierra 2500 HD Pro
2020-2025 GMC Sierra 2500 HD SLE
2020-2025 GMC Sierra 2500 HD SLT
2020-2025 GMC Sierra 3500 HD AT4
2020-2021 GMC Sierra 3500 HD Base
2020-2025 GMC Sierra 3500 HD Denali
2024-2025 GMC Sierra 3500 HD Denali Ultimate
2022-2025 GMC Sierra 3500 HD Pro
2020-2025 GMC Sierra 3500 HD SLE
2020-2025 GMC Sierra 3500 HD SLT
2021-2025 Chevrolet Silverado 2500 HD Custom
2020-2025 Chevrolet Silverado 2500 HD High Country
2020-2025 Chevrolet Silverado 2500 HD LT
2020-2025 Chevrolet Silverado 2500 HD LTZ
2020-2025 Chevrolet Silverado 2500 HD WT
2024-2025 Chevrolet Silverado 2500 HD ZR2
2020-2025 Chevrolet Silverado 3500 HD High Country
2020-2025 Chevrolet Silverado 3500 HD LT
2020-2025 Chevrolet Silverado 3500 HD LTZ
2020-2025 Chevrolet Silverado 3500 HD WT

Why Choose Wehrli?

  • Specializes in custom fabrication for Duramax diesel trucks with proven track record in heavy-duty applications
  • Hand-built in the USA using high-grade materials for long-lasting performance
  • Focuses on precision engineering to handle extreme towing and tuned power levels

Frequently Asked Questions

  • Q: Will this fit my 2025 L5P Duramax Silverado 3500HD?
    A: Yes it fits all 2020-2025 Chevy Silverado and GMC Sierra 2500/3500 HD models equipped with the 6.6L L5P Duramax diesel and OEM radiator
  • Q: What material is the pipe made from and how is it finished?
    A: Constructed from strong 6061-T6 aluminum mandrel bent for smooth flow then powder coated in red for corrosion resistance and engine bay appeal
  • Q: Is installation straightforward and what warranty is offered?
    A: Bolt-on installation takes under 1 hour with basic tools. Wehrli provides a limited lifetime warranty against manufacturing defects

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Protective foam-lined box measuring 20 x 8 x 6 inches
  • Weight: 2 lbs

Request For Information

Have questions about Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red? Fill out the form below and we'll get back to you by the next business day.
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