25631R1
BOLT 1" X 8 1/2" UNF
Navistar International®

The bolt 1" x 8 1/2" UNF is designed for heavy-duty applications, providing exceptional strength and reliability. With a diameter of 1" and a length of 8 1/2", this bolt is ideal for securing large components and structures. Its robust construction ensures that it can withstand significant loads, making it suitable for use in demanding environments. The precision threading allows for easy installation and a secure fit, while the high-quality materials used in its manufacture provide resistance to corrosion and wear, ensuring longevity in various applications.

Navistar International Corporation has built a formidable reputation in the automotive industry, known for its commitment to quality and innovation in vehicle manufacturing. The company’s expertise is reflected in the heavy-duty bolt designed for securing large components and structures. This bolt, featuring a robust construction, is engineered to withstand significant loads, making it ideal for demanding applications. With precise threading and high-quality materials, Navistar ensures that this bolt provides a secure connection while resisting wear and corrosion. The attention to detail in the design process showcases the company's dedication to delivering reliable solutions that meet the rigorous standards expected by professional operators in the field.

This part number fits the following models:

• - 5870 Severe Service (built before 3/15/1996)
• - 1800 Medium Trucks (built from 4/1/81 to 12/31/88)
• - 2100 Medium Trucks (built from 4/1/81 to 12/31/88)
• - 1600 Stripped Chassis (built from 4/1/81 to 12/31/88)
• - 1700 Medium Trucks (built from 4/1/81 to 12/31/88)
• - 1400 Stripped Chassis (built from 4/1/81 to 12/31/88)
• - 1900 Medium Trucks (built from 4/1/81 to 12/31/88)
• - 1700 Bus Flat Back Cowls (built from 4/1/1981 to 12/31/1988)
• - 1800 Bus Flat Back Cowls (built from 4/1/1981 to 12/31/1988)
• - MT-503 Suspension Chassis
• - 9400 Premium Conventional (built before 3/15/96)
• - 9400 Premium Conventional (built on or after 3/15/96)
• - 9300 Premium Conventional
• - 9600 Premium Cabover (built from 1981-1990)

For those in need of robust fastening solutions, Source One Parts Center is the premier destination for high-quality bolts designed for heavy-duty applications. Their extensive inventory includes a wide range of products, ensuring that you can find the perfect fit for your specific needs. Each bolt is crafted from durable materials, providing the strength and reliability you require for demanding environments. Source One's knowledgeable staff is dedicated to helping you make informed purchasing decisions, ensuring you receive the right part for your project. With competitive pricing and fast shipping options, Source One makes it easy to get the components you need without delay. By choosing Source One, you are investing in quality and service that will keep your projects on track.