AP Exhaust H312 Exhaust Clamp - Intermediate Pipe To Muffler

Overview

AP Exhaust H312 is an exhaust clamp built for 3.5-inch pipe connections and threaded fastening with a 3/8-inch diameter. It uses mild steel with a natural finish for a straightforward hardware replacement on exhaust system repairs.

Compatible with Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, GMC Sierra 3500 HD, Chevrolet Silverado 3500 HD, Ford Super Duty applications, and related fitments listed below. The H312 part number is used across multiple heavy-duty truck and SUV applications where a secure exhaust clamp is required.

Key Features

• Mild steel construction for exhaust hardware service
• 3.5-inch pipe diameter specification
• 3/8-inch thread diameter
• Natural finish
• AP Exhaust H312 replacement clamp

Detailed Description

This AP Exhaust clamp is intended for exhaust system fastening where a 3.5-inch pipe connection must be secured at the clamp point. The mild steel construction and threaded design make it a practical service part for exhaust repairs on Chevrolet Silverado and GMC Sierra applications, along with selected Ford Super Duty, Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, and Hummer H2 fitments. Use the H312 part number to match the correct hardware specification for the application.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Loose exhaust pipe connections
• Exhaust leaks at the clamp joint
• Damaged or corroded clamp hardware
• Service replacement for worn exhaust fasteners

Installation Notes

Verify pipe diameter and thread size before installation. Confirm the vehicle-specific fitment notes for Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, and other listed applications, especially where chassis or frame notes apply. Match the clamp to the exhaust joint location and tighten to the required service specification.

Quality Assurance

AP Exhaust H312 is a hardware replacement part from AP Exhaust’s Clamp line, built to meet the dimensional requirements listed for the application.