• Dorman Autograde Grade 5 Hex Head Cap Screw 1-8 x 4 Inch for Automotive Repair 170-940
  • Dorman Autograde Grade 5 Hex Head Cap Screw 1-8 x 4 Inch for Automotive Repair 170-940
  • Dorman Autograde Grade 5 Hex Head Cap Screw 1-8 x 4 Inch for Automotive Repair 170-940
  • Dorman Autograde Grade 5 Hex Head Cap Screw 1-8 x 4 Inch for Automotive Repair 170-940
  • Dorman Autograde Grade 5 Hex Head Cap Screw 1-8 x 4 Inch for Automotive Repair 170-940
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Dorman - Autograde

Dorman Autograde Grade 5 Hex Head Cap Screw 1-8 x 4 Inch for Automotive Repair 170-940

Dorman Autograde Grade 5 Hex Head Cap Screw 1-8 x 4 Inch for Automotive Repair 170-940

$58.75
$58.75 $58.75
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In-stock orders are processed within 48 hours; transit time is additional.

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Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

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Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Specifications

Product details shared across all variants.

Product type
Bolt
Category
Motor Vehicle Parts
Item condition
New
Manufacturer type
Aftermarket
Shipping weight
5.7 lb
Barcode
019495169406

Billable shipping weight; may include dimensional weight.

Grade 5 hex head cap screws sized 1-8 x 4 inches 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 high tensile strength for demanding jobs
  • Corrosion-tested finish helps resist rust and environmental damage
  • Precise 1-8 thread pitch and 4-inch length for accurate fitment
  • Engineered by professional engineers and quality control specialists in the United States
  • Package includes 5 pieces for multiple replacement needs

Benefits

  • Restores structural integrity to critical vehicle components
  • Reduces the risk of repeat repairs caused by fastener failure
  • Ensures a secure hold that matches OE form and function
  • Saves time with a direct-fit solution that requires no modification
  • Provides confidence through rigorous durability testing
  • Offers a cost-effective alternative to dealer-only hardware

Application

Ideal for mechanics and DIY enthusiasts needing high-strength fasteners for suspension, engine, or chassis repairs where Grade 5 specifications are required.

Fitment Notes

  • Universal automotive application based on thread size and length specifications
  • Verify existing bolt dimensions before purchase to ensure compatibility
  • No specific vehicle year, make, or model restrictions apply

Why Choose Dorman?

  • Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance.

What's in the Box

  • 5 Piece Bolt Set

Item Dimensions

  • 6.3in x 4.7in x 3.0in, 5.7lbs
View full details

Vehicle fitment