This socket head cap screw (part number 3957849) is essential for EPA13 6.7L ISB/QSB engines, securing critical components such as the air cleaner, intake manifold, crankcase breather system, ECM, EGR assembly, and turbocharger parts. Precision-engineered to meet Cummins specifications, it ensures reliable fastening, maintaining engine integrity and performance under demanding operating conditions.
- UPS Shipping: We ship via UPS to customers in Ohio, Michigan, Pennsylvania, Indiana, Kentucky, West Virginia, Texas, and New Jersey.
- Local Delivery: We provide local delivery to any business located within 50 miles of one of our locations.
- In-Store Pickup: You can pick up your order at any of our ten Ohio Peterbilt locations.
- Oversized Parts: These parts require LTL shipping, and may have other shipping restrictions. If you'd like to schedule other delivery options, please contact us at (440) 586-4528.
Standard Returns (Stock Items) Ohio Peterbilt accepts returns of stock truck parts within 30 days of purchase, provided the items are new, unused, and in resaleable condition with original packaging and all components intact. A copy of the original sales receipt or invoice should accompany the return to verify the purchase date.
If you're a tax-exempt customer, please complete our tax exempt form by click the button blow or contact us at ecommerce@ohiopeterbilt.com. We’ll help set up your online account so you can start placing tax-exempt orders.