21843R1
WASHER, LOCK

10 Pack

Navistar International®

The lock washer is designed to provide a secure fastening solution for various mechanical applications. Its unique design features a split or toothed profile that grips the fastener, creating friction to prevent loosening due to vibration or movement. This washer is particularly effective in high-stress environments where traditional washers may fail. Made from durable materials, it is engineered to withstand significant pressure and resist deformation, ensuring long-lasting performance. The compact size of the lock washer allows for easy installation in tight spaces, making it an essential component for both industrial and residential projects.

With over a century of experience, Navistar International Corporation has built a reputation for producing high-quality automotive components that prioritize reliability and performance. The lock washer is designed to provide a secure fastening solution for various mechanical applications. Its split or toothed profile grips the fastener, creating friction to prevent loosening due to vibration or movement. Made from durable materials, this washer is engineered to withstand significant pressure and resist deformation, ensuring long-lasting performance. Navistar's focus on precision engineering allows for easy installation in tight spaces, making it an essential component for both industrial and residential projects.

Models compatible with this part number include:

• - 1800 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 2100 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 1600 Stripped Chassis (built 4/1/81 thru 12/31/88)
• - 1700 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 1400 Stripped Chassis (built 4/1/81 thru 12/31/88)
• - 1900 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 1700 Bus Flat Back Cowls (built 4/1/1981 thru 12/31/1988)
• - 1800 Bus Flat Back Cowls (built 4/1/1981 thru 12/31/1988)
• - 3000 IC Bus FE Series Bus (built on or after 11/1/99)
• - 9700 Premium Cabover (built 1991 & later)
• - 5000 Severe Service Conventional (built on or after 3/15/96)
• - 5870 Severe Service (built before 3/15/1996)
• - MT-512A International Engines (built before 1/1997)
• - AMTRAN Genesis/FC Bus (built before 1/1/1999)
• - 7600 Severe Service Trucks (built on or after 4/1/02)
• - 3000 Bus Chassis (built on or after 5/23/97)
• - MT-512 International Engines (built before 10/1993)
• - 2500 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 2500 Heavy Trucks (built 4/1/81 thru 12/31/88)
• - 2200 Heavy Trucks (built 4/1/81 thru 12/31/88)
• - 2300 Heavy Trucks (built 4/1/81 thru 12/31/88)
• - 2600 Medium Trucks (built 4/1/81 thru 12/31/88)
• - 2600 Heavy Trucks (built 4/1/81 thru 12/31/88)
• - 5000 Severe Service (built from 1/1/1992 thru 3/14/1996)
• - 8200 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 2600 Medium Trucks (built from 1/1/1989 to 1/16/1998)
• - 2500 Heavy Trucks (built from 1/1/89 to 1/16/98)
• - 8300 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 2600 Heavy Trucks (built from 1/1/89 to 1/16/98)
• - 2600 Medium Trucks (built from 1/1/1989 thru 1/16/1998)
• - 8300 Heavy Tractors (built from 1/1/1989 to 1/16/1998)
• - 8100 Heavy Tractors (built prior to 1/16/98)
• - 2500 Medium Trucks (built from 1/1/1989 to 1/16/1998)
• - 2600 Heavy Trucks (built from 1/1/89 to 1/16/98)
• - 2500 Medium Trucks (built from 1/1/1989 thru 1/16/1998)
• - 2500 Heavy Trucks (built from 1/1/89 to 1/16/98)
• - 8200 Heavy Tractors (built from 1/1/1989 to 1/16/1998)

When it comes to sourcing high-quality fastening solutions, Source One Parts Center excels in providing exceptional service and products. Our dedication to customer satisfaction is reflected in our extensive selection of lock washers, which are designed to grip fasteners securely. We understand the importance of reliability in mechanical assemblies, and that’s why we offer only the best components that meet rigorous quality standards. Our user-friendly website allows for easy navigation, making it simple to find the right part for your vehicle. With a focus on reliability and performance, Source One Parts Center is your go-to source for all your automotive needs.