Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB

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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

• Superior Heat Dissipation
  Cast aluminum with external cooling fins increases surface area, effectively lowering oil temperature compared to stock steel pans.

• Reinforced Structure
  Built-in strengthening ribs improve rigidity and impact resistance—ideal for off-road or heavy-duty use.

• Increased Oil Capacity (+2 Quarts)
  Larger volume provides extended lubrication, reduces oil breakdown, and enhances cooling efficiency.

• High-Efficiency Oil Drainage
  Flat-bottom design ensures complete oil evacuation during oil changes, preventing sludge buildup.

• Magnetic Drain Plug
  Enhanced magnet attracts metal shavings and debris, protecting engine internals from wear.

• Sensor Port Ready
  Includes a 1/8” NPT port for optional oil temperature sensor installation.

• Reusable Fluorine Rubber Seal
  Unlike traditional copper washers that require frequent replacement, the fluorine rubber seal offers long-term reusability.

• Complete Installation Kit
  Includes gasket and mounting hardware for direct bolt-on replacement—no modifications required.

• 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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