Coolant Overflow Tank Kit for 2007.5-2010 LMM 6.6L Duramax | SPELAB
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---tab Description---
A practical upgrade for 2007.5-2010 LMM Duramax trucks, this aluminum coolant overflow tank adds factory-harness level sensing, a sight glass, and a cleaner engine-bay layout.
2007.5-2010 LMM Duramax Coolant Overflow Tank Overview
The SPELAB Coolant Tank Kit 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 Features of the LMM Duramax Coolant Overflow 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.
Coolant Overflow Tank Specifications
Brand
SPELAB
Weight
3.06kg
Type
Coolant Expansion Tank
Installation Level
Simple
Fitment
2007.5-2010 GMC/Chevrolet LMM Sierra/Silverado 2500HD 3500HD 6.6L Duramax
Best For
• 2007.5-2010 Chevy Silverado and GMC Sierra 2500HD/3500HD 6.6L LMM Duramax trucks.
• Owners replacing an aging factory coolant reservoir or relocating the tank for improved engine-bay space.
• Drivers who want a built-in low-coolant sensor that connects to the factory wiring harness.
• Work-truck and towing applications that benefit from a durable aluminum tank and quick visual coolant checks.
---tab Fitment---
Vehicle Fitment (6.6L Duramax Diesel ONLY)
This Coolant Reservoir / Coolant Overflow Tank is designed to fit the following vehicles:
• 2007.5 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
• 2008 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
• 2009 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
• 2010 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
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 2011–2016 LML Duramax , please click here:
Coolant Reservoir / Coolant Overflow Tank for 2011–2016 LML Duramax
---tab shipping & returns---
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
---tab Blog & Video---
---tab Description---
A practical upgrade for 2007.5-2010 LMM Duramax trucks, this aluminum coolant overflow tank adds factory-harness level sensing, a sight glass, and a cleaner engine-bay layout.
2007.5-2010 LMM Duramax Coolant Overflow Tank Overview
The SPELAB Coolant Tank Kit 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 Features of the LMM Duramax Coolant Overflow 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.
Coolant Overflow Tank Specifications
Brand
SPELAB
Weight
3.06kg
Type
Coolant Expansion Tank
Installation Level
Simple
Fitment
2007.5-2010 GMC/Chevrolet LMM Sierra/Silverado 2500HD 3500HD 6.6L Duramax
Best For
• 2007.5-2010 Chevy Silverado and GMC Sierra 2500HD/3500HD 6.6L LMM Duramax trucks.
• Owners replacing an aging factory coolant reservoir or relocating the tank for improved engine-bay space.
• Drivers who want a built-in low-coolant sensor that connects to the factory wiring harness.
• Work-truck and towing applications that benefit from a durable aluminum tank and quick visual coolant checks.
---tab Fitment---
Vehicle Fitment (6.6L Duramax Diesel ONLY)
This Coolant Reservoir / Coolant Overflow Tank is designed to fit the following vehicles:
• 2007.5 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
• 2008 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
• 2009 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
• 2010 Chevrolet Silverado 2500HD, 3500HD and GMC Sierra 2500HD, 3500HD (6.6L Duramax Diesel – LMM)
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 2011–2016 LML Duramax , please click here:
Coolant Reservoir / Coolant Overflow Tank for 2011–2016 LML Duramax
---tab shipping & returns---
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
---tab Blog & Video---
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 warrantyProduct 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.