HomeEngine > Hardware, Fasteners and FittingsDorman 097-8431 Engine Oil Drain Plug
Part #: 097-8431

Dorman 097-8431 Engine Oil Drain Plug

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Durable Nylon Engine Oil Drain Plug for Reliable Oil Changes

The Dorman 097-8431 engine oil drain plug is designed for vehicles requiring a locking head drain plug compatible with nylon oil pans. Featuring a metric coarse thread and an included O-ring gasket, this drain plug ensures a secure seal to prevent leaks during conventional oil changes.

  • Constructed from durable black nylon material for corrosion resistance
  • Metric coarse thread with 17.5 mm diameter and 22.9 to 28.5 mm length options
  • Hex head drive type with 6 socket points for easy installation and removal
  • Includes an O-ring gasket to provide a reliable seal and prevent oil leaks
  • No special tools required for installation
  • Standard bolt grade suitable for typical engine oil drain applications

Technical Details and Compatibility

The Dorman 097-8431 drain plug is engineered with a locking head specifically designed for nylon oil pans, commonly found in various vehicle makes and models. Its black nylon construction offers resistance to corrosion and wear, extending the service life of the drain plug. The plug features a metric thread size of 17.5 mm with a coarse thread type, ensuring compatibility with metric-threaded oil pans. The included O-ring gasket enhances sealing performance, reducing the risk of oil leaks during engine operation.

Common Applications and Problem Solving

  • Replacement for worn or damaged engine oil drain plugs in vehicles with nylon oil pans
  • Prevents oil leaks caused by degraded or missing drain plug gaskets
  • Addresses issues with stripped or damaged drain plug threads
  • Suitable for vehicles requiring a locking head drain plug for secure fitment
  • Compatible with conventional oil drain methods in metric-threaded engines

Installation Notes and Tips

Installation of the Dorman 097-8431 drain plug requires no special tools beyond a standard hex socket wrench matching the 8.33 mm head size. Ensure the included O-ring gasket is properly seated before threading the plug into the oil pan to maintain a tight seal. Avoid over-tightening to prevent damage to the nylon material or oil pan threads. This drain plug is designed for conventional drain methods and should be installed accordingly.

Quality Assurance and Warranty

Dorman's OE Solutions program supports this engine oil drain plug, reflecting adherence to original equipment standards. The product is manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.

BrandDorman
Part Number097-8431
MaterialNylon
Length22.9
Length28.5
ColorBlack
Bolt GradeStandard
MagneticNo
Gasket Or Seal IncludedYes
Special Tool RequiredNo
Thread TypeCoarse
Thread Diameter17.5
Gasket TypeO-ring
SAE or MetricMetric
Head Drive TypeHex
Oversized ThreadNo
Describe TypeLocking head for nylon oil pan
Drain MethodConventional
Head Size (SAE/Metric)8.33 mm
Package Contents1 drain plug; 1 o-ring
ProgramOe solutions
Socket Points6
Thread Size17.5 mm

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1853604

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.