To find the parts that fit.To find the parts that fit.
Part number or name
Sign in
BackHomeEngineValve TrainRotocoils7N-7639: Cylinder Head Valve Rotator
BackHome
EngineValve TrainRotocoils7N-7639: Cylinder Head Valve Rotator
7N-7639: Cylinder Head Valve Rotator
Product Images
7N-7639: Cylinder Head Valve Rotator
Cat® Engine Cylinder Head Valve Rotator
Brand: Cat
Check Price
Check Price
Login to view your customer price
Warranty Information
Warranty Information
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Need More Help? Contact Us
Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.
Need More Help? Contact Us
Find a DealerEmail
Warranty Information
Warranty Information
Generally, warranty for parts purchased on Parts.Cat.Com is 12 months from the invoice date as defined in the Caterpillar Limited Warranty. Parts Warranty covers defects in material and workmanship throughout the Warranty period once it has been installed. For complete Warranty detail contact your local Cat Dealer.
Need More Help? Contact Us
Find a DealerEmail
Return Policy
Return Policy Information
Unless otherwise noted by a non-returnable part
icon, most parts can be returned to your authorized Cat® dealer under their return policy.
Description: The Cylinder Head Valve Rotator is a mechanical part designed to facilitate the rotation of Valves in an internal combustion Engine's Cylinder Head. It is located near the top of the Engine, above the Cylinder Block. It consists of a rotating mechanism that is driven by the Engine's camshaft or timing belt system. It is connected to the Valves through a series of parts, such as pushrods, rocker arms, or cam followers, depending on the Engine's design.
Attributes: • Rotate when loaded from an 85 LBS starting load to 226 LBS under 1000 Impulses Per Minute • Ensure the precise timing and duration of valve opening and closing events • Withstand the high temperatures, pressures, and mechanical stresses present in the engine's cylinder head
Applications: The Cylinder Head Valve Rotator is a reliable and efficient part that enables proper Valve rotation in the Engine's Valvetrain unit. This type of Cylinder Head Valve Rotator is widely used in Cat 571A, 572C,572D, 572E, 583C,583E, 583H, 583K, 594 and 594H Pipelayer, 619B, 668C, DW15, DW15C, DW15E,DW15F, DW20, DW20E,DW20F,DW20G, DW21 and DW21C,DW21D,DW21G Wheel Tractor Scrapers, 977D,977E, D7C,D7D, D7E, D8, D8D,D8G, D8E,D8F, D8H, D8K, D9D, D9E, D9G and D9H Track Type Tractor, 9C and 9U Bulldozer, D326, D326F, D333C,3306, D337, D337F, D342, D342,D342C, D342C, D353C,D353D,D353E, D353E, D375D, D379A,D379B, D379B, D397D, D398, D398A,D398B, D398B, D399, G3306, G333C,3306, G342C, G353D, G379A, G398A and G399 Engine (Piston), D379B, D398B and D399 Generator Set, DW15 4 Wheel Tractor - Direct Drive, SR4 Generator (Power).
View More
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 7N-7639
Units of Measure
USMetric
We are still working on adding a specification for this part.
Compatible Models for part number 7N-7639
TRACK-TYPE TRACTOR
D8K D9H
MARINE ENGINE
D353E D353C D342C D353D D342
PIPELAYER
583K 594H
INDUSTRIAL ENGINE
D353C D353E D353D
GAS ENGINE
G342C G379 G379A
View More
DiagramDescriptionSpecificationsCompatible Models
Parts diagram for 7N-7639
View Detailed Parts Diagrams
Add Your Equipment
Description for part number 7N-7639
Description: The Cylinder Head Valve Rotator is a mechanical part designed to facilitate the rotation of Valves in an internal combustion Engine's Cylinder Head. It is located near the top of the Engine, above the Cylinder Block. It consists of a rotating mechanism that is driven by the Engine's camshaft or timing belt system. It is connected to the Valves through a series of parts, such as pushrods, rocker arms, or cam followers, depending on the Engine's design.
Attributes: • Rotate when loaded from an 85 LBS starting load to 226 LBS under 1000 Impulses Per Minute • Ensure the precise timing and duration of valve opening and closing events • Withstand the high temperatures, pressures, and mechanical stresses present in the engine's cylinder head
Applications: The Cylinder Head Valve Rotator is a reliable and efficient part that enables proper Valve rotation in the Engine's Valvetrain unit. This type of Cylinder Head Valve Rotator is widely used in Cat 571A, 572C,572D, 572E, 583C,583E, 583H, 583K, 594 and 594H Pipelayer, 619B, 668C, DW15, DW15C, DW15E,DW15F, DW20, DW20E,DW20F,DW20G, DW21 and DW21C,DW21D,DW21G Wheel Tractor Scrapers, 977D,977E, D7C,D7D, D7E, D8, D8D,D8G, D8E,D8F, D8H, D8K, D9D, D9E, D9G and D9H Track Type Tractor, 9C and 9U Bulldozer, D326, D326F, D333C,3306, D337, D337F, D342, D342,D342C, D342C, D353C,D353D,D353E, D353E, D375D, D379A,D379B, D379B, D397D, D398, D398A,D398B, D398B, D399, G3306, G333C,3306, G342C, G353D, G379A, G398A and G399 Engine (Piston), D379B, D398B and D399 Generator Set, DW15 4 Wheel Tractor - Direct Drive, SR4 Generator (Power).
View More
Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 7N-7639
Units of Measure
USMetric
We are still working on adding a specification for this part.
Compatible Models for part number 7N-7639
TRACK-TYPE TRACTOR
D8K D9H
MARINE ENGINE
D353E D353C D342C D353D D342
PIPELAYER
583K 594H
INDUSTRIAL ENGINE
D353C D353E D353D
GAS ENGINE
G342C G379 G379A
View More
KeyKey
Factory Fit
This part is designed to fit your Cat equipment based on the manufacturer’s specifications.
Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.
Remanufactured
Non-Returnable
Kit
Replaced
Remanufactured
Non-Returnable
Kit
Replaced
Chat with an expert
Will it fit or looking for a repair?Add your equipment to see if this part fits or if there are repair options available.