Aluminum Upper Coolant Pipe for 2011-2016 LML Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! For use with OEM GM radiator! Some aftermarket radiators may cause fitment issues!
Installation InstructionsThis Part Fits:
| Year |
Make |
Model |
Submodel |
| 2015-2016 |
Chevrolet |
Silverado 2500 HD |
High Country |
| 2011-2016 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2011-2016 |
Chevrolet |
Silverado 2500 HD |
LTZ |
| 2011-2016 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2015-2016 |
Chevrolet |
Silverado 3500 HD |
High Country |
| 2011-2016 |
Chevrolet |
Silverado 3500 HD |
LT |
| 2011-2016 |
Chevrolet |
Silverado 3500 HD |
LTZ |
| 2011-2016 |
Chevrolet |
Silverado 3500 HD |
WT |
| 2015-2016 |
GMC |
Sierra 2500 HD |
Base |
| 2011-2016 |
GMC |
Sierra 2500 HD |
Denali |
| 2011-2016 |
GMC |
Sierra 2500 HD |
SLE |
| 2011-2016 |
GMC |
Sierra 2500 HD |
SLT |
| 2011-2014 |
GMC |
Sierra 2500 HD |
WT |
| 2015-2016 |
GMC |
Sierra 3500 HD |
Base |
| 2011-2016 |
GMC |
Sierra 3500 HD |
Denali |
| 2011-2016 |
GMC |
Sierra 3500 HD |
SLE |
| 2011-2016 |
GMC |
Sierra 3500 HD |
SLT |
| 2011-2014 |
GMC |
Sierra 3500 HD |
WT |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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Project Incentives:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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• AH180 — $180 OFF $3000+ | • AH400 — $400 OFF $6000+
• AH630 — $630 OFF $9000+
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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To qualify for our Fitment Guarantee, please email your vehicle’s Year, Make, Model, and any existing modifications to:
support@autohousesupply.com
Our experts will review your specifications and provide written confirmation for your build.
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For tracking updates or status inquiries on existing orders, please reach out via our Contact Form. Having your order number ready will allow us to provide the most efficient update.
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We proudly support builds across the US, Canada, Mexico, and worldwide. For international shipping quotes or oversized freight logistics, please contact us via the email link above.
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Secure Shipping:
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We offer FREE Ground Shipping within the 48 contiguous United States. Most in-stock orders process within 48 hours. For your security, high-value performance parts require a signature upon delivery to ensure they reach you safely.
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
Contact Form before shipping any items back so we can provide you with an RMA number.
Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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Questions? Send us your
Year, Make, and Model via our
Contact Form and we’ll get you a definitive answer so you can buy with confidence.
