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Free shipping on every order — no minimum purchase required.DESCRIPTION
2013-2017 Peterbilt 579 Cummins Cylinder Block Stiffener Plate (OEM Part #3680425)
OEM replacement stiffener plate designed for Peterbilt 579 models equipped with Cummins engines. This critical component reinforces the cylinder block structure and maintains engine integrity under high-pressure conditions.
- Fits: 2013-2017 Peterbilt 579 with Cummins engine
- OEM Part Number: 3680425
- Reduces cylinder block flex and vibration
- Factory-engineered for durability and performance
Essential for preventing block cracking and ensuring long engine life in heavy-duty trucking applications.
Note: This product is certified pre-owned and may contain minor cosmetic imperfections, but is in perfect working condition.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Exchanges accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for an exchange.
- Items must be in original, unused condition and in original packaging.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
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