Gator Fasteners Main Stud Kit Cummins 3.9L 4BT Diesel
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$224.99
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
The Gator Fasteners Heavy Duty Main Bearing Stud Kit (part number MSK394BT) is engineered as a direct-fit upgrade for the 3.9L 4BT Cummins diesel. Factory fasteners can stretch under high cylinder pressure; this kit restores and increases clamping load for towing, heavy hauling and performance use.
Specifications
- Reinforces the main bearing caps against bottom-end failure
- Rated at 220,000 psi tensile strength
- Fits the Cummins 3.9L 4BT engine regardless of model year
- Suited to engine swaps and repowers as well as original installations
- Black oxide finish
- Manufacturer part number: MSK394BT
Vehicle fitment
Cummins 3.9L 4BT diesel engines in trucks, tow rigs and industrial or agricultural equipment.
Confirm fitment against your engine before ordering.
Shipping Height: 3.0
Shipping Length: 10.0
Shipping Width: 7.0