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Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 1
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 2
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 3
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 4
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 5
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 6
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 7
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 8
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 9
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 10
Oil Pan for 2017-2025 L5P Chevrolet/GMC 2500HD 3500HD 6.6L Duramax | SPELAB photo 11
SPELAB

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

MPN: SPEC162500000000
Daily Driver
$359.99
Ships From Supplier · Ships in 3–10 business days
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Fitment sensitive
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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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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

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.

Professional installation is recommended.

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.