Skip to product information
1 of 4

Dorman Autograde Grade 5 Hex Head Cap Screw 5/16-18 x 1-1/4 In for Automotive Repair 803-112

Dorman Autograde Grade 5 Hex Head Cap Screw 5/16-18 x 1-1/4 In for Automotive Repair 803-112

sku: 1LGJR | mpn: 803-112
Regular price $19.06
Regular price $19.06 Sale price $19.06
Sale Sold out
Shipping calculated at checkout.

17 in stock

Emissions

This is not an emissions item.
Quantity
  • Ships Worldwide
  • Easy Returns
  • Fast Shipping

Grade 5 hex head cap screws sized 5/16-18 x 1-1/4 inch used to replace worn or missing fasteners in automotive repair applications.

Built to meet the manufacturer's design intent for reliable service. These bolts are manufactured using durable materials and corrosion-tested to ensure required strength and longevity.

Key Features

  • Hex head design allows for easy installation with standard tools
  • Grade 5 classification provides medium carbon steel strength
  • Thread size is 5/16-18 with a length of 1-1/4 inches
  • Corrosion-tested to withstand harsh underhood environments
  • Engineered by professional engineers in the United States
  • Part number 803-112 ensures precise identification

Benefits

  • Restores structural integrity to critical vehicle assemblies
  • Reduces the risk of repeat repairs due to fastener failure
  • Matches OE form and function for a direct fit replacement
  • Provides dependable performance for daily driving demands
  • Offers a cost-effective solution compared to dealer parts
  • Ensures secure fastening for long-term vehicle safety

Application

Ideal for mechanics and DIY enthusiasts needing high-quality replacement fasteners for engine components, suspension systems, or general automotive assembly where Grade 5 strength is specified.

Fitment Notes

  • Universal automotive application based on thread size and grade requirements
  • Verify thread pitch and length against original equipment specifications before installation

Why Choose Dorman - Autograde?

  • Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
  • Backed by a team of professional engineers and quality control specialists in the United States
  • Strong focus on fit, durability, and dependable performance to restore vehicles with confidence

What's in the Box

  • 23 PC

Item Dimensions

  • 3.7in x 2.4in x 2.2in, 0.9lbs
View full details