Since 1921, Cloyes has been the trusted leader in automotive timing systems. As a critical component of the engine's timing system, the camshaft sprockets work in unison with the timing chain, tensioners, guides, and other sprockets, to ensure precise timing. Cloyes engine timing crankshaft sprockets are precision-tooled with exact tooth geometry and a perfectly matched bore for superior fit, reliability, and long-term performance. To ensure total timing system integrity, Cloyes recommends replacing the chain along with the tensioners, guides, and sprockets during service. Trusted by professionals for over a century & backed by an industry-leading warranty and technical support.
  • Features precision-tooled tooth form, bore, off-set and timing index for superior fit, reliability, and long-term performance in engine timing repairs
  • CAD designed and manufactured using premium materials and heat-treated for OE-level fit and function, allowing for smooth installation and reliable performance
  • Each part is extensively tested for function, fitment, and durability to ensure consistent quality and optimal performance, reducing the risk of comebacks
  • Available in application-specific kit or as a stand-alone product, offering installation flexibility and convenience
  • Backed by Limited Lifetime Warranty and over 100 years in engineering leadership with unmatched technical support and repair confidence in every component

Application Summary:

Year Make/Model
2005-2007 Chrysler 300
1998-2004 Chrysler Concorde
1998-2004 Chrysler Intrepid
2001-2006 Chrysler Sebring
2006-2007 Dodge Charger
1998-2004 Dodge Intrepid
2005-2007 Dodge Magnum
2001-2006 Dodge Stratus

This item is a component of the following packages: 9-0397S, 9-0397SA, 9-0397SB

Attributes
Adjustable No
Category Camshafts and Valvetrain
Chain Row Quantity 1
Color Gray
Country of Origin (Primary) TW
Emission Code Legal US
GTIN 00750385107329
Harmonized Tariff Code (Schedule B) 8483901000
Hazardous Material Code N
Inside Diameter 37.846
Keyway Notch No
Life Cycle Status Code Available to Order
Material Metal
Meets or Exceeds Original Equipment Manufacture Specifications Yes
Mount Hole Diameter 0.40"/0.45", 0.40"/0.45"
Mount Hole Quantity 2
Mounting Hole Diameter (uom:in) 0.40"/0.45", 0.400, 0.450
Mounting Hole Diameter (uom:mm) 10.16, 11.43
Mounting Hole Quantity 2
Original Equipment Replacement Yes
Outside Diameter 5.01", 5.01"
Outside Diameter (in) 5.01"
Outside Diameter (uom:in) 5.01
Outside Diameter (uom:mm) 127.254
SDR Required Flag N
Series Engine Timing Camshaft Gears
Subcategory Timing Gears
Thickness 0.27"
Thrust Bearing Included N/A
Timing Mark Quantity 1
Tooth Quantity 42
Tooth Width 0.27", 0.27"
Tooth Width (in) 0.27"
Tooth Width (uom:in) 0.27
Tooth Width (uom:mm) 6.858
Universal Or Specific Fit Specific
Width (uom:in) 0.27
Width (uom:mm) 6.858

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Cloyes S840 Engine Timing Camshaft Sprocket

Product Information

  • Brand: Cloyes
  • Product Number: S840

This item is a component of the following packages: 9-0397S, 9-0397SA, 9-0397SB