Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
For Your Every Summer RSVP, with Code: SUMMER15
Description
2004.5 - 2010 Duramax Lower Valve Cover LLY LBZ LMM 6.6 6.6L Diesel OEM 97309628Condition: REBUILDABLE CORE USED The GM 97309628 Lower Rocker Box Valve Cover Spacer is designed for 6. 6L Duramax LLY LBZ and LMM engines fitting models from 2004. 5 to 2010. This part serves as a spacer for the valve cover enhancing the engines performance and durability. It is applicable to various GM vehicles including Buick GMC Cadillac Hummer and Chevrolet. All parts industrially cleaned and inspected for cracks and damage before shipping Part
Condition: REBUILDABLE CORE/USEDThe GM 97309628 Lower Rocker Box Valve Cover Spacer is designed for 6.6L Duramax LLY LBZ and LMM engines fitting models from 2004.5 to 2010. This part serves as a spacer for the valve cover enhancing the engines performance and durability. It is applicable to various GM vehicles including Buick GMC Cadillac Hummer and Chevrolet.
Part Number: 97309628
Manufacturer: GM
Weight: 8.0000 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:
- 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
4.1 ★★★★★
Based on 777 reviews
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Product Reviews
★★★★★ 5
Nice
Size: (Pack of 1)
Nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 4
Good filter, Expensive
Size: (Pack of 1)
I like the product very much. It was upto my expectations but little expensive
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 24, 2023
★★★★★ 5
Solid Price for Quality
Size: (Pack of 1)
Awesome filter, my engine told me it loves the fit and ease of installation. It also it very good value for money as they aren’t expensive and you are getting a high value for the money. My engine also told me it’s getting slightly better fuel efficiency as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 22, 2026
★★★★★ 5
Made well
Size: (Pack of 1)
I just put it in but fits nice, good quality and I expect it to work very good. I watch many YouTube channels with experienced mechanics. Many of them use six products.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
★★★★★ 5
Top quality filter
Size: (Pack of 1)
Great filter but a bit expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
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