Dorman Autograde Split Lock Washer Class 8 M12 for Automotive Applications 435-012

Split lock washers Class 8 M12 by Dorman used to replace worn or failing factory washers in numerous automotive applications.

Built to meet the manufacturer's design intent for reliable service, this part is made from quality materials to ensure a secure fit and long service life through extensive quality testing.

Key Features

• Class 8 hardened steel construction for high tensile strength
• M12 metric size designed for precise fitment
• Split lock design prevents loosening under vibration
• Direct replacement for original equipment washers
• Undergoes extensive quality testing for durability
• Sold as a 25-piece bulk pack for multiple repairs

Benefits

• Prevents fastener loosening caused by engine vibration and road shock
• Restores proper clamping force to critical automotive connections
• Reduces the risk of repeat repairs with durable materials
• Ensures smoother installation with OE-matching form and fit
• Provides cost-effective solution for fleet or shop inventory
• Maintains vehicle safety by securing vital components

Application

Ideal for professional mechanics and DIY enthusiasts needing reliable hardware for suspension, engine, or chassis repairs where M12 locking washers are specified.

Fitment Notes

• Universal automotive application for M12 fastener systems
• Compatible with various makes and models requiring Class 8 split lock washers
• Replaces part numbers including Papco 740-012, Midwest 6862, and Hillman 880780

Why Choose Dorman?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Built with quality materials and validated through testing to stand up to daily driving demands
• Helps reduce the risk of repeat repairs with a strong focus on fit and durability

What's in the Box

• 25 pieces of Dorman Autograde Split Lock Washers

Item Dimensions

• Package measures 3.2 inches by 2.4 inches by 1.5 inches
• Total package weight is approximately 0.3 lbs