Cloyes S839 Engine Timing Crankshaft Sprocket - Outer

Cloyes S839 Timing Crankshaft Sprocket

The Cloyes S839 is an engine timing crankshaft sprocket for specific Chrysler and Dodge applications. It is built with a precision-machined bore, helical tooth form for quieter operation, and a metal construction suited for engine rebuilds and timing system replacement work.

Key Features

• Engine timing crankshaft sprocket for specific fitment
• Metal construction with gray finish
• 21-tooth design with 0.28 in. tooth width
• Precision-machined bore for accurate fit
• Helical tooth form for quieter timing system operation
• Keyway notch included for proper crankshaft indexing
• Single-row chain design
• Outer position fitment for listed Chrysler and Dodge vehicles

Detailed Description

Cloyes S839 is a timing crankshaft sprocket engineered for the engine timing system, where it works with the timing chain, tensioner, and guides to maintain correct camshaft and crankshaft synchronization. This part is a specific-fit component for select 1998-2007 Chrysler and Dodge models, including Chrysler 300, Sebring, Concorde, and Intrepid, as well as Dodge Charger, Magnum, Stratus, and Intrepid in outer position applications. The S839 part number is also referenced as 4663632 for the same application.

Built from metal and CAD designed for dimensional accuracy, the Cloyes S839 timing sprocket is manufactured for dependable service in engine rebuilds and routine timing repair. Its 2.48 in. outside diameter, 1.29 in. inside diameter, and 0.98 in. thickness reflect the application-specific design needed for proper timing chain engagement and crankshaft fitment.

What It Helps Fix

• Timing chain noise caused by worn sprocket teeth
• Crankshaft timing errors from damaged or worn sprocket surfaces
• Improper chain tracking in the engine timing system
• Fitment issues from a worn or incorrect crankshaft sprocket
• Timing service failures when replacing chain components without the sprocket

Installation Notes and Tips

Fits 2005-2007 Chrysler 300, outer. Fits 2001-2007 Chrysler Sebring, outer. Fits 2006-2007 Dodge Charger, outer. Fits 2005-2007 Dodge Magnum, outer. Fits 2001-2006 Dodge Stratus, outer. Fits 1998-2004 Chrysler Concorde, outer. Fits 1998-2004 Chrysler Intrepid, outer. Fits 1998-2004 Dodge Intrepid, outer.

Before installation, verify the outer position application and confirm the sprocket matches the engine timing system layout. Cloyes recommends replacing the chain tensioner(s), sprocket(s), and guide(s) when the timing chain is replaced to maintain proper chain control and tension.

Quality Assurance

Cloyes designs and manufactures timing components using advanced materials and tests each part for function and durability. The S839 is built to meet the demands of timing system service on Chrysler and Dodge engines, with application-specific fitment and precision-machined features for reliable installation.