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Shop / Cooling / Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 1
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 2
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 3
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 4
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 5
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 6
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 7
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 8
Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB photo 9
SPELAB

Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB

MPN: SPCS08915BK
Daily Driver
$239.99
Ships From Supplier · Ships in 3–10 business days
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Coolant Reservoir for 2011-2016 LML 6.6L Duramax Coolant Overflow Tank | SPELAB

The  SPELAB Coolant Reservoir Tank is a replacement for the factory coolant tank, designed to relocate it closer to the battery box, freeing up additional space in the engine compartment. Constructed from high-quality aluminum alloy, the tank features a durable powder-coated finish for enhanced protection and a sleek appearance. It is equipped with an integrated coolant level sensor that connects seamlessly to the factory harness, providing accurate coolant level monitoring. Upgrade your coolant tank with the SPELAB Coolant Tank for improved functionality and a clean, professional look.

Key Selling Points of the SPELAB Coolant Reservoir Tank:

• High-Quality Aluminum Alloy Construction

Built from durable aluminum alloy for superior strength and corrosion resistance, ensuring long-lasting performance even under extreme conditions.

• Powder-Coated Finish

Features a premium powder-coated surface that enhances durability, provides scratch resistance, and offers a sleek, professional look.

• Integrated Low Coolant Level Sensor

Comes with a built-in coolant level sensor that connects directly to the factory harness, ensuring real-time and accurate monitoring of coolant levels.

• Billet Anodized Cap

Includes a high-quality billet aluminum cap with an anodized finish, offering enhanced durability and a premium aesthetic touch.

• Overflow Hose

Equipped with an overflow hose to ensure proper coolant system functionality and prevent over-pressurization.

• Coolant Level Sight Glass

Designed with a sight glass for quick and easy visual checks of coolant levels without needing to open the tank.

• Complete Installation Hardware

Includes all necessary installation hardware, making the upgrade process straightforward and hassle-free.

Specifications:

Brand

SPELAB

Weight

3.04kg

Type

Coolant Expansion Tank

Installation Level

Simple

Fitment

2011-2016 GMC/Chevrolet LML Sierra/Silverado 2500HD 3500HD 6.6L Duramax Diesel

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Vehicle Fitment (6.6L Duramax Diesel ONLY)

This Coolant Reservoir / Coolant Overflow Tank is designed to fit the following vehicles:

• 2011 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LML)

• 2012 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LML)

• 2013 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LML)

• 2014 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LML)

• 2015 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LML)

• 2016 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LML)

Looking for other 6.6L Duramax years?

If you need the Coolant Reservoir for 2001–2007 LB7/LLY/LBZ Duramax , please click here:

Coolant Reservoir / Coolant Overflow Tank for 2001–2007 LB7/LLY/LBZ Duramax

If you need the Coolant Reservoir for 2007.5–2010 LMM Duramax , please click here:

Coolant Reservoir / Coolant Overflow Tank for 2007.5–2010 LMM Duramax

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Fast Shipping Policy

Your order will be dispatched within 1-2 business days , and the package will arrive within your order's estimated date. Click for Shipping Policy

Easy Return Policy

Every order comes with a 14-day free return , which means you don't have to pay for a return slip. Click for Return Policy

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Warranty
Warranty based on supplier terms

SPELAB Auto Parts: 1 year from delivery; supplier conditions apply. SPELAB offers a one-year limited warranty from delivery for material/workmanship defects under normal use, original purchaser only, with proof of purchase. Consumables, wear/cosmetic damage, improper installation, alteration, misuse and removal/installation labor are excluded. Approved remedies are repair, replacement or replacement parts at SPELAB’s discretion.

Return and warranty information is based on what SPELAB Auto Parts offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

SPELAB Auto Parts warranty policyView complete warranty

Product conditions

Return and warranty information is based on what SPELAB Auto Parts offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.

Return eligibility
SPELAB allows return requests within 30 days of delivery, with authorization and undamaged goods, original packaging and accessories. Tuners are final sale. Customer pays voluntary return shipping; original shipping is not refunded. SPELAB pays return shipping for approved damaged, incorrect or manufacturing-defective items. Transit damage must be reported within two business days and incorrect items within seven days. Based on what SPELAB Auto Parts offers.
Return window
Not stated for this product; see supplier terms
Restocking fee
See supplier terms; no product-specific fee stated
Return shipping
Based on the supplier’s return policy; see terms
Made to order
No
Backorder status
Not backordered
Cancellation
Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
Warranty provider
SPELAB Auto Parts
Warranty duration
1 year from delivery; supplier conditions apply
Compatibility
Listed for specific vehicle configurations
Legal use
Street legal
Processing estimate
3–10 business days supplier processing
Shipping
Shipping calculated at checkout
Signature
No signature requirement
Supplier
SPELAB Auto Parts

Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.