The Holset new actuator (part number 6378270H) is listed for the associated engine or vehicle system. The supplied catalog identifies He500/400 Series as an application reference; confirm compatibility for the specific engine, equipment and configuration. New Holset Turbochargers Turbocharger Actuator Installation Kit supports service of the turbocharger actuator and related mounting or sealing points.

Product Details

• Part: Actuator
• Manufacturer / listed brand: Holset
• Manufacturer or catalog part number: 6378270H
• HDKits SKU: AP-HOL10942
• System: Air System – NEW ACTUATOR KIT, HE500/400 SERIES
• Condition: New

Cross-reference numbers: 3789667, 3789676, 3789677, 3791991. These are lookup references and do not independently establish interchangeability.

Fitment and Ordering Guidance

Confirm the precise assembly and application using the original part number before purchase. Match the manufacturer number, replacement number, physical configuration and vehicle or engine serial information. Product photos and generic category information should not be used as sole proof of fitment.

Why Order From HDKits?

HeavyDutyKits.com helps customers source diesel engine and heavy-duty replacement parts. Contact our parts team with your engine model, equipment details and existing part number for a fitment review before purchasing.

Cross-Reference Part Numbers

Supplier-listed cross-reference and alternate part numbers for identification:

• 3789667
• 3789676
• 3789677
• 3791991
• 379199100
• 3791991H
• 4032066
• 4032066RX
• 4032673
• 4032673RX
• 4032760
• 4032760NX
• 4032760RX
• 4034116
• 4034208
• 4034210
• 4034210NX
• 4034210RX
• 4034289
• 403428900
• 403428900HX
• 4034289H
• 4034289HX
• 4034289NX
• 4034289RX
• 4034403
• 4034403NX
• 4034403RX
• 4042307
• 4043340
• 4045108
• 4045991
• 6378270
• 6378270H
• A2030001R
• AP91007
• TS4032760
• TS4032760R

Verify interchangeability and application before ordering; a reference listing does not guarantee fitment.