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Description
Upgrade your GM 6.6L Duramax engine (2017–2025) with this high-capacity cast aluminum oil pan , engineered for superior cooling, strength, and long-term durability. Unlike stamped steel factory pans, this lightweight aluminum design improves oil temperature control, increases oil capacity by 2 extra quarts , and provides better engine protection. Whether for daily driving, towing, or off-road performance, this oil pan ensures your engine runs cooler, cleaner, and stronger.
Fitment
• 2017–2025 Chevrolet Silverado 2500HD / 3500HD
• 2017–2025 GMC Sierra 2500HD / 3500HD
Key Features
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Superior Heat Dissipation
Cast aluminum with external cooling fins increases surface area, effectively lowering oil temperature compared to stock steel pans.
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Reinforced Structure
Built-in strengthening ribs improve rigidity and impact resistance—ideal for off-road or heavy-duty use.
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Increased Oil Capacity (+2 Quarts)
Larger volume provides extended lubrication, reduces oil breakdown, and enhances cooling efficiency.
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High-Efficiency Oil Drainage
Flat-bottom design ensures complete oil evacuation during oil changes, preventing sludge buildup.
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Magnetic Drain Plug
Enhanced magnet attracts metal shavings and debris, protecting engine internals from wear.
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Sensor Port Ready
Includes a 1/8” NPT port for optional oil temperature sensor installation.
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Reusable Fluorine Rubber Seal
Unlike traditional copper washers that require frequent replacement, the fluorine rubber seal offers long-term reusability.
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Complete Installation Kit
Includes gasket and mounting hardware for direct bolt-on replacement—no modifications required.
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Durable & Corrosion-Resistant
Aluminum construction resists rust, deformation, and thermal expansion, even in harsh environments.
Specifications
Material
Cast Aluminum
Weight
6.28 kg
Position
Direct replacement at the bottom of the engine – no modifications required.
Installation
SPELAB Oil Pan Installation
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FAQs
Q: Why should I upgrade from the factory steel oil pan?
A: This cast aluminum design offers better cooling, higher capacity, and stronger protection against heat and debris.
Q: How much additional oil does it hold?
A: It increases oil capacity by 2 quarts , which enhances cooling and extends oil life.
Q: Does this pan require vehicle modifications?
A: No. It installs directly in the factory location with the included hardware and gasket.
Q: Is the magnetic drain plug included?
A: Yes, and it is designed to capture harmful metal particles to protect your engine.
Q: Can I install an oil temperature sensor?
A: Yes, the oil pan includes a 1/8” NPT port for optional sensor installation.
Q: Does the fluorine rubber seal need frequent replacement?
A: No. Unlike copper seals, the fluorine rubber gasket is reusable and only requires replacement when necessary.
Q: Will the added capacity affect clearance?
A: The design maintains compatibility with the GM 6.6L chassis, but care should be taken to confirm sufficient clearance during installation.
Q: How does it perform under towing conditions?
A: The improved cooling and larger oil capacity help keep oil stable under high load, preventing overheating and oil breakdown.
Q: What about off-road durability?
A: The reinforced ribs and strong cast structure resist twisting, impacts, and harsh terrain conditions better than stock pans.
Q: Does it resist corrosion?
A: Yes. Aluminum construction offers natural corrosion resistance, unlike stamped steel pans that may rust over time.
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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