Cloyes S463 Engine Timing Crankshaft Sprocket - Outer

Cloyes S463 Timing Crankshaft Sprocket

The Cloyes S463 is an engine timing crankshaft sprocket built for specific Nissan applications. It features a helical tooth form for quieter operation and a precision-machined bore for a true fit in timing system service and engine rebuild work.

Key Features

• Engine timing crankshaft sprocket for specific fitment
• Metal construction with gray finish
• 20-tooth design with 2-row chain configuration
• Helical tooth form for quieter timing system operation
• Precision-machined bore for accurate fit
• Keyway notch included for proper crankshaft indexing
• Designed and manufactured using CAD-based engineering and advanced materials

Detailed Description

Cloyes S463 is a specific-fit timing crankshaft sprocket used in timing system service where accurate chain engagement and stable crankshaft drive are required. This part is listed for Nissan 510, 720, 810, 200SX, 280ZX, Maxima, D21, and Pathfinder applications, including Fits 1986-1988 Nissan D21, Outer and Fits 1987-1988 Nissan Pathfinder, Outer. It is also listed for additional Nissan outer-position applications across the 1968-1983 model years. The S463 part number is commonly referenced for timing repair on older Nissan engines where the crankshaft sprocket must match the chain and guide layout exactly.

This Cloyes S463 sprocket is engineered with a 1.37-inch inside diameter, 2.48-inch outside diameter, 1.17-inch thickness, and 20 teeth. The metal construction and precision-machined bore support accurate timing alignment during replacement or rebuild work. This part cross-references 1302121000 for the same application.

Common Uses

• Replacing a worn or damaged crankshaft timing sprocket
• Correcting timing chain noise caused by sprocket wear
• Restoring proper chain engagement in Nissan timing systems
• Addressing timing drift from worn teeth or bore fit issues
• Supporting engine rebuilds and timing service on older Nissan models

Installation Notes and Tips

Verify the vehicle application, outer position, and timing system layout before installation. Cloyes recommends replacing the chain tensioner, sprocket, and guide components together when servicing the timing chain, since these parts work together to maintain chain tension and alignment. Confirm tooth count, bore dimensions, and keyway location against the original part before assembly.

Quality Assurance

Cloyes designs and manufactures timing components with CAD-based engineering and tests parts for function and durability. The S463 is built for dependable timing service in engine rebuilds and routine replacement work.