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12_0721d4d4-b845-48e6-8bcc-8984e85e8f1c - Northline Parts

New Timing Cover w/ 10an Turbo Oil Drain Fitting for GM LS Gen 3 4.8 5.3 5.7 6.0

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

New Timing Cover w/ 10an Turbo Oil Drain Fitting for GM LS Gen 3 4.8 5.3 5.7 6.0

Upgrade your engine build with this high-quality aftermarket timing cover, specifically engineered for GM LS Gen 3 engines. Designed for those adding a turbocharger to their setup, this cover features a pre-installed -10AN oil drain fitting, saving you the hassle of drilling and welding your original part. It provides a professional, leak-proof solution for your oil return line, making it a must-have for performance enthusiasts and engine swappers alike.

Key Features & Benefits

  • Integrated -10AN turbo oil drain bung for a simplified plumbing setup.
  • Direct-fit aftermarket replacement for GM LS Gen 3 timing covers.
  • Durable construction ensures long-lasting performance and a secure seal.
  • Eliminates the need for custom welding or oil pan modifications in many turbo setups.
  • High-flow design supports efficient oil return to the crankcase.

Compatible Models

  • GM LS Gen 3 Engines (4.8, 5.3, 5.7, 6.0)
  • 4.8L LR4
  • 5.3L LM7, L59, LM4, L33
  • 5.7L LS1, LS6
  • 6.0L LQ4, LQ9

Product Specifications

  • Material: Aluminum
  • Fitting Size: -10AN (Male)
  • Engine Generation: Gen III LS
  • Part Type: Front Timing Cover
  • Condition: Brand New Aftermarket

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket part designed for performance upgrades and is not manufactured by the original equipment manufacturer (OEM).

How do I confirm compatibility?
This timing cover is compatible with Gen 3 GM LS series engines. To ensure a perfect fit, please verify your engine block generation and oil return requirements before purchase.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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