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Celebrating 50 years of Trusted Marine Service
50 years of Trusted Marine Service

Cummins Stud | 3919666

Original price $40.51 - Original price $40.51
Original price $40.51
$40.51
$40.51 - $40.51
Current price $40.51
Availability:
15 in stock, ready to be shipped

Free returns on all eligible orders

You have 30 days to request a return. All sale items are final sale.

Genuine Cummins OEM stud engineered for reliable performance in marine diesel engines. This precision-manufactured stud ensures proper clamping force, secure fastening, and long-term durability in demanding marine applications.

Key Features:

  • Genuine Cummins OEM part number 3919666
  • Precision-engineered for exact fit
  • High-quality construction for marine environments
  • Ensures proper clamping force and secure fastening
  • Durable design for long service life
  • OEM-quality replacement stud

Applications: Cummins marine diesel engines requiring stud part number 3919666 (verify compatibility with your engine model using part number)

Specifications: Cummins part number 3919666, OEM stud

Installation Note: Ensure proper installation and torque specifications. Replace studs showing signs of damage, corrosion, or thread wear. Follow manufacturer torque sequence and specifications during installation.

Note: Item may not be exactly as shown, but part number is always correct.

In stock. Ships in 1–3 business days.

Shipping information

In-stock and OEM parts: ship same or next business day.

Locally warehoused items: ship within 3–4 business days.

Special-order items: timeline confirmed after order.

Returns & warranty

Returns & Satisfaction Guarantee

We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.

If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.

To qualify for a return:


  • Item must be in new, unused condition

  • Product must be in its original packaging

  • All parts, components, hardware, manuals, and accessories must be included

  • Packaging must be undamaged and suitable for resale

Important:

Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.

We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.

For return authorization, please contact our support team before shipping anything back.

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Easy Exchanges

Return or exchange within 30 days