• Dorman Autograde Split Lock Washer Grade 5 5/16 Inch 175 Pack 818-011
  • Dorman Autograde Split Lock Washer Grade 5 5/16 Inch 175 Pack 818-011
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Dorman - Autograde

Dorman Autograde Split Lock Washer Grade 5 5/16 Inch 175 Pack 818-011

Dorman Autograde Split Lock Washer Grade 5 5/16 Inch 175 Pack 818-011

$21.38
$21.38
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Shipping calculated at checkout.

15 in stock

Shipping & returns

Shipping details

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

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

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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
Washer
Category
Motor Vehicle Parts
Item condition
New
Shipping weight
1.0 lb
Barcode
019495832119

Billable shipping weight; may include dimensional weight.

Split lock washers grade 5 5/16 inch used to replace worn or missing factory fasteners in automotive and industrial applications.

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

Key Features

  • Grade 5 steel construction for high tensile strength
  • 5/16 inch nominal size for standard fastener compatibility
  • Split lock design prevents loosening under vibration
  • Direct replacement for original equipment washers
  • Bulk pack contains 175 pieces for multiple repairs
  • Quality tested for durability and consistent performance

Benefits

  • Prevents bolt and nut loosening caused by engine vibration
  • Restores proper clamping force to critical assemblies
  • Reduces the risk of repeat repairs with durable materials
  • Cost-effective bulk quantity for shop inventory or large projects
  • Ensures safe and secure fastening in demanding environments
  • Matches OE form and function for seamless installation

Application

Ideal for mechanics and DIY enthusiasts needing reliable locking washers for suspension components, engine brackets, exhaust systems, and general automotive maintenance where vibration resistance is critical.

Fitment Notes

  • Universal fitment for any application requiring a 5/16 inch Grade 5 split lock washer
  • Compatible with various makes and models using standard imperial fasteners
  • Replaces Midwest 25803, Rockford 8077-030R, Wurth 0442 516, and HiTen DXD05

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
  • Provides proven aftermarket solutions to keep your vehicle operating the way it should

What's in the Box

  • 175 Piece Split Lock Washer Assortment

Item Dimensions

  • Package Length: 3.7 inches
  • Package Width: 2.4 inches
  • Package Height: 2.2 inches
  • Weight: 0.8 lbs
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Vehicle fitment