BCBC 3SRH64 Engine Timing Chain

Engine Timing Chain Overview

This Melling engine timing chain, part number 3SRH64, is a standard replacement roller chain for domestic and import engine applications. It is built with hardened steel construction and is suited for stock timing chain service where a direct replacement chain is needed.

Key Features

• Roller chain design for engine timing service
• Hardened steel construction for durability
• Standard replacement grade for stock applications
• No timing marks for applications that do not require marked alignment
• Single-row chain with 64 links

Detailed Description

Melling 3SRH64 is an engine timing chain intended for stock replacement use in a range of Ford and Mazda applications. The roller-style chain uses hardened steel and a standard replacement design, giving buyers a practical option for timing chain service on engines that call for this configuration. This part number, 3SRH64, is listed for Ford Explorer, Ford Ranger, Ford Aerostar, Mazda B4000, and Mazda Navajo applications across the model years shown in the fitment data.

The chain measures 11.87 inches in length, 0.555 inches in width, and 0.375-inch pitch. It is a single-row chain with no timing marks and no timing mark quantity listed, so it is appropriate for engines that rely on separate alignment references during assembly. For buyers searching for a Ford Ranger engine timing chain or a Mazda B4000 timing chain replacement, 3SRH64 provides a stock-style solution from Melling.

Common Uses

• Replacing a worn or stretched timing chain
• Restoring camshaft and crankshaft synchronization
• Addressing timing noise caused by chain wear
• Servicing stock engine timing components during rebuilds
• Supporting timing system repair on Ford and Mazda engines

Installation Notes

Verify engine application, chain type, and link count before installation. Because this chain has no timing marks, confirm the engine’s alignment procedure and reference points during assembly. Inspect related timing components for wear and replace any damaged parts as needed to complete the repair correctly.

Quality Assurance

Melling states that its timing chains are manufactured with quality materials and workmanship, and this part is part of the brand’s standard replacement coverage for engine timing service. Part number 3SRH64 is cross-referenced to Anchor 3310 for the same application.