Made in USA
S638 Stock Replacement Camshaft Sprocket
InfoVehicle Info Needed
MELLINGPART NUMBER: 689-S638

S638 Stock Replacement Camshaft Sprocket

$2041
ShippingShips on 09/08/2026
Lowest PriceLowest Price Guarantee

    Stock Replacement Camshaft Sprocket
  • Diameter: 4.481 in.
  • Diameter: 114.0 mm
  • Inside Diameter: 0.935 in.
  • Inside Diameter: 24.0 mm
  • Material: High alloy steel
  • Thickness: 1.45 in.
  • Thickness: 37.0 mm
  • Tooth Quantity: 38

    Melling S638 Features:

    Made In USA. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales. Two piece timing gear kits are also available when the engine application calls for gears only. Melling gears and sprockets are offered in both steel and powered metal materials. Each gear and sprocket is manufactured to the required specifications, using high quality materials and the most up to date manufacturing processes. Assure a quality engine rebuild with new Melling gear and sprockets.

Part TypeCamshaft Sprocket
BrandMELLING
Package Width1.8
Weight1.8 PG
Part CategoryReplacement Parts
Thickness1.45 in.
Inside Diameter0.935 in.
Tooth Quantity38
MaterialHigh alloy steel
Part FitmentDirect Fit
Diameter4.481 in.
Vendor Part NumberS638
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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