SKU: 40357844575

GM Chevrolet LS Gen III LM4 5.3 5.3L OEM Aluminum Bare Engine Block 12566910

Sale price$698.40 Regular price$776.00
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

GM Chevrolet LS Gen III LM4 5.3 5.3L OEM Aluminum Bare Engine Block 12566910Condition: NEW NEW TAKE OFF The GM 12566910 5. 3L 325 cid Engine Block is a Gen III aluminum block used in Chevy and GM vehicles between 2003 and 2005. This lightweight aluminum block referred to as the LM4 features cross bolted mains and was originally designed for models like the 2004 Chevy SSR Trailblazer EXT GMC Envoy XL and Buick Rainier. Engineered for performance and durability the LM4 block provides an excellent foundation for high performance

Condition: NEW / NEW TAKE OFF

The GM 12566910 5.3L 325 cid Engine Block is a Gen III aluminum block used in Chevy and GM vehicles between 2003 and 2005. This lightweight aluminum block referred to as the LM4 features cross-bolted mains and was originally designed for models like the 2004 Chevy SSR Trailblazer EXT GMC Envoy XL and Buick Rainier. Engineered for performance and durability the LM4 block provides an excellent foundation for high-performance builds making it a popular choice among enthusiasts.

All parts industrially cleaned and inspected for cracks and damage before shipping


Part Number: 12566910
Manufacturer: GM
Weight: 200.0000 lbs

Additional Details:
Genuine OEM Parts

Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.

Shipping:
If shipping outside the contiguous 48 states is required, reach out to [email protected] to confirm shipping details.

About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40357844575

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lauren
New York, US
★★★★★ 5
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My skin looks so much healthier and brighter since using this
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Reviewed in the United States on May 26, 2026
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Pawtucket, US
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Great mate finish. Non-sticky and good coverage.
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Deepankar Joshi
Los Angeles, US
★★★★★ 4
Regular Use ongoing
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One good thing about this is you barely feel it No oiliness , very light , no fragrance (a positive) and hopefully does its job . Using it as part of regimen so would suggest to everyone
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Rachel Chavez
Louisville, US
★★★★★ 5
Great daily sunscreen with lightweight feel
Size: 1.7 Fl Oz (Pack of 1), Size: 1.7 Fl Oz (Pack of 1)
I’ve been using this sunscreen daily and I really like it. It feels very light on the skin, absorbs quickly, and does not leave a greasy or heavy feeling. It also works well under makeup and does not cause breakouts. I feel my skin is well protected from the sun and it’s gentle enough for everyday use. I highly recommend it for anyone looking for a reliable sunscreen.
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Reviewed in the United States on May 19, 2026
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Yeimy santos
Whiting, US
★★★★★ 5
Great for oily acne-prone skin
Size: 3 Fl Oz (Pack of 1)
I have oily, acne-prone skin, and this sunscreen has worked really well for me. It doesn’t feel overly greasy or too dry, and it sits nicely on my skin without making my face feel heavy. I’ve been using it for a long time, and honestly, it’s the only sunscreen I keep going back to because it works so well with my skin. It feels comfortable for daily use and gives good protection without causing extra breakouts for me.
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Reviewed in the United States on May 16, 2026

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