Dorman 03427 Exhaust Manifold Hardware Kit

Dorman 03427 Exhaust Manifold Hardware Kit

Dorman 03427 is an exhaust manifold hardware kit built to match the original hardware used to secure the exhaust manifold to the engine on specified vehicles. Made from steel with a Grade 9.8 bolt grade, it is a standard replacement for service work on the Ford Ranger and other confirmed applications.

• OE-style exhaust manifold hardware replacement for specified vehicles
• Steel construction for dependable fastening performance
• Grade 9.8 bolt grade for service-grade strength
• Thread size: M8-1.25
• Package contents: bolts and studs as listed by the manufacturer

Detailed Product Overview

This Dorman exhaust manifold hardware kit, part number 03427, is engineered to replace worn, damaged, or missing manifold fasteners with hardware that matches the original application requirements. It is a standard replacement solution for exhaust manifold service on 2002-2008 Ford Ranger models, helping restore proper manifold-to-engine retention on the specified vehicle platform. This part cross-references Monroe Shocks & Struts (e.g., N811571S431) for the same application.

What It Helps Address

• Broken or stretched exhaust manifold fasteners
• Missing manifold bolts or studs during exhaust repair
• Loose exhaust manifold attachment at the engine
• Service replacement needs on a Ford Ranger exhaust manifold job
• Thread mismatch concerns when replacing OE-style hardware

Installation Notes and Tips

Verify thread size M8-1.25 and compare the original fastener dimensions before installation. Clean the mounting surfaces and inspect the manifold, cylinder head threads, and surrounding exhaust components for damage or corrosion. For 2002-2008 Ford Ranger exhaust manifold hardware replacement, follow the vehicle service procedure and torque specifications for the exact engine application.

Quality Assurance

Dorman manufactures this kit as a standard replacement part using steel construction and Grade 9.8 bolt specification to support reliable service on the intended application. Part number 03427 is built to match the original hardware requirements for the specified vehicles.