SPARK M5231-2 Unboxed Automann Bolt Threads D84004408 M16-2.0 290MM

( Brand: Spark ), ( Manufacturer Part Number: M5231-2 ), ( Part Type: Bolt ), ( Ipn: D84004408 )

Review SPARK New Unboxed Automann M5231 Bolt Kenworth Threads 290mm Long

The Spark M5231-2 Unbolted Automann M5231 Bolt is a heavy-duty replacement fastener designed specifically for Kenworth M16 models with a 2.0 thread pitch and a length of 290mm (11.41 inches). This bolt is an essential component for maintaining the structural integrity of your Kenworth M16 truck.

Upon opening the package, you will find the M5231-2 bolt carefully wrapped in protective packaging to ensure it arrives at your doorstep in pristine condition. The bolt itself is made from high-quality, SAE-grade material that is resistant to corrosion and wear. Its hexagonal head design allows for easy installation and removal using standard socket tools.

This particular bolt features a 290mm length, making it suitable for various applications in the Kenworth M16 series. Its 2.0 thread pitch ensures a secure and snug fit in the corresponding threaded hole. The M5231-2 bolt's hexagonal head also provides an increased surface area for torquing, ensuring a stronger connection.

In addition to its robust construction, the Spark M5231-2 Unbolted Automann M5231 Bolt is designed to meet or exceed the original equipment manufacturer's specifications for your Kenworth M16. By using this replacement bolt, you can rest assured that you are maintaining the safety and reliability of your truck, while also potentially saving money compared to purchasing a new one directly from the dealership.

Whether you're performing routine maintenance on your Kenworth M16 or making repairs after an unexpected failure, the Spark M5231-2 Unbolted Automann M5231 Bolt is an excellent choice for a reliable and long-lasting replacement. With its high-quality materials, precise specifications, and easy-to-install design, this bolt is sure to meet your needs and exceed your expectations.

Buying an unboxed automann M5231 bolt for a Kenworth M16-2.0 with 290mm threads and 20.32mm pitch (M5231x20.32) can be a cost-effective option for those looking to save on spare parts. Here are some potential pros and cons of making this purchase:

1. Cost Savings: Buying an unboxed bolt can save you a significant amount of money compared to purchasing a new one directly from the manufacturer or through a dealership.

2. Availability: Unboxed parts are often more readily available from aftermarket suppliers than from the original equipment manufacturer (OEM).

3. Functionality: An unboxed M5231 bolt is expected to function the same way as an OEM bolt, as it is made to the same specifications.

1. Quality Concerns: Some buyers may have concerns about the quality of an unboxed part, particularly if they cannot inspect it beforehand.

2. Lack of Warranty: Unboxed parts typically do not come with a warranty, unlike OEM parts.

3. Installation: Installing an unboxed bolt may require additional effort, as you will need to ensure that it is the correct part and that it is properly torqued to the specified specifications.

Buying an unboxed automann M5231 bolt for a Kenworth M16-2.0 with 290mm threads can be a cost-effective option, but it is essential to carefully consider the potential pros and cons. If you are confident in your ability to inspect the part and ensure its proper installation, and you are comfortable with the lack of warranty coverage, then an unboxed bolt may be the best choice for you. However, if you prefer the peace of mind that comes with a new OEM part or the added convenience of a dealership warranty, you may choose to pay more for those benefits. Ultimately, the decision depends on your specific needs, budget, and preferences.

Details:

This is our house-brand. Or any other minor issue that does not make the part you are buying DEFECTIVE. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. If any manufacturer warranty exists, it is between you and them.

Shipping:: Free Shipping is for continental USA only. They may have been in storage anywhere from 1-30 years. Rubber parts, gaskets, hardware may need to be replaced and not usable. ONCE Purchased YOU OWN IT.

M16-2.0 threads, bolt length is 290mm, threaded part 62mm long. None of which makes the part Defective. Spark part number M5231-2. Be sure the part you are buying is correct for your application.

Sometimes the fitment is so old that it does not take into account trim, engine size or build dates.

part #: m52312 prices

• $14.95-$31.15

specifications commerciatruc:

• for makes: Kenworth
• brand: Spark
• mpn: M5231-2
• part type: Bolt
• ipn: D84004408

general commerciatruc:

• condition: New other see details
• Parts Accessories > Commercial Truck Parts > Other Commercial Truck Parts

returns commerciatruc:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

payments commerciatruc:

• credit card: Mastercard
• other
• wallet: Apple-pay

offer commerciatruc:

• quantity: 7
• options: Ship-to-home
• sold: 0
• started: January 30, 2026
• availability: In Stock

seller commerciatruc:

• # reviews: 266505
• rating: 99.7%
• city: Houston, Texas

shipping commerciatruc:

• service: USPS Ground Advantage
• transit: 4-10 Days
• type: Fixed
• class: Standard
• carrier: USPS
• cost: $0.00

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