HomeExhaust > Hardware, Fasteners and FittingsDorman 03427 Exhaust Manifold Hardware Kit
Part #: 03427

Dorman 03427 Exhaust Manifold Hardware Kit

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7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Ranger
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Reliable Exhaust Manifold Hardware for Ford Ranger

The Dorman 03427 Exhaust Manifold Hardware Kit provides essential components designed specifically for Ford Ranger models. This kit includes high-quality steel bolts and studs engineered to meet the demands of exhaust system repairs and replacements.

  • Includes 3 bolts and 3 studs for complete manifold fastening
  • Constructed from durable steel material for long-lasting performance
  • Bolt grade 9.8 ensures strength and reliability under high temperatures
  • Thread size M8-1.25 compatible with Ford Ranger exhaust manifolds
  • Standard replacement grade for direct fit and function
  • Multiple length options: 27.82 mm, 57.48 mm, and 66.5 mm for precise fitment

Product Details and Specifications

The Dorman 03427 Exhaust Manifold Hardware Kit is designed to replace worn or damaged exhaust manifold bolts and studs on Ford Ranger vehicles. The kit includes three bolts and three studs made from steel, providing the necessary strength to withstand the thermal expansion and vibration typical in exhaust systems. The bolts are manufactured to grade 9.8 standards, ensuring they meet the mechanical requirements for secure fastening. Thread size M8-1.25 matches the original equipment specifications, allowing for a straightforward installation without modifications. The kit offers multiple length options—27.82 mm, 57.48 mm, and 66.5 mm—to accommodate different mounting points on the exhaust manifold.

Common Applications and Problem Solving

  • Replacement of stripped or broken exhaust manifold bolts on Ford Ranger
  • Fixing exhaust leaks caused by loose or damaged hardware
  • Restoring proper exhaust manifold sealing to prevent engine performance issues
  • Addressing corrosion-related hardware failure in older Ford Ranger models
  • Supporting exhaust system repairs after manifold removal or replacement

Installation Notes and Tips

When installing the Dorman 03427 Exhaust Manifold Hardware Kit, ensure the exhaust manifold and mating surfaces are clean and free of debris. Use anti-seize compound on the threads to prevent galling and ease future removal. Torque bolts to the manufacturer’s specifications to avoid over-tightening, which can cause damage to the manifold or studs. It is recommended to replace all hardware in the kit simultaneously to maintain uniform clamping force and prevent leaks.

Quality Assurance and Warranty

Dorman provides standard replacement grade hardware designed to meet or exceed OEM specifications for Ford Ranger exhaust systems. The steel construction and grade 9.8 bolts ensure durability and reliable performance under typical operating conditions. While specific warranty details are not provided, Dorman products generally come with a limited warranty against defects in material and workmanship.

BrandDorman
Part Number03427
Bolt GradeGrade 9.8
Item GradeStandard Replacement
Length27.82
Length57.48
Length66.5
MaterialSteel
Package Contents3 Bolts; 3 Studs
Thread Size #1M8-1.25

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008FordRanger3.0LV6N/AFits washer fluid reservoir cap on automatic transmission vehicles.
2007FordRanger3.0LV6N/AFits washer fluid reservoir cap on automatic transmission vehicles.
2006FordRanger3.0LV6N/AFits washer fluid reservoir cap on automatic transmission vehicles.
2005FordRanger3.0LV6N/AFits washer fluid reservoir cap on automatic transmission vehicles.
2004FordRanger3.0LV6N/AFits washer fluid reservoir cap on automatic transmission vehicles.
2003FordRanger3.0LV6N/AFits washer fluid reservoir cap on automatic transmission vehicles.
2002FordRanger3.0LV6N/AFits washer fluid reservoir cap on automatic transmission vehicles.

* 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:

N811571S431

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