Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 28 - Jul 3
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Description
3943404 | Genuine Cummins® Cylinder Block 3945063 for 6L / 6CT 8.3L engineDescription: Cylinder Block 3945063 for 6L 6CT 8. 3L engineBrand: CumminsCondition: NewPart Number: 3943404 Manufacturer informationCummins is a worldwide leader in the production of engines, agricultural components, and other power generating devices for various industries, including medium and heavy duty trucks, light commercial vehicles, buses, agriculture, and construction. Founded in 1919, this company stays true to its mission of making people's
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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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- Please click here for more details>>> Return & Exchange Policy
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 2388 reviews
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Product Reviews
★★★★★ 5
Great filter!!
Great filter, easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2025
★★★★★ 5
Price
Very nice active coal
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Reviewed in the United States on February 6, 2025
★★★★★ 2
Weird Smell
Good for but the carbon has a weird smell. I have a sensitive nose and I'm not a fan. Going to replace with a regular filter without the activated carbon.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Good quality
Fits perfectly
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Perfect fit for boyh filters
Watched a youtube video, easy changed both filters in 10 minutes.
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Reviewed in the United States on January 18, 2026
