▶CAT

▶ARTICULATED DUMP TRUCK

▶ASPHALT PAVER

▶BACKHOE LOADER

▶CHALLENGER

▶COLD PLANER

▶COMBINE

▶CONTROL, GUIDANCE, MONITORING, AND TECHNOLOGY PRODUCTS

▶DRILL

▶EARTHMOVING COMPACTOR

▶ENGINE - GENERATOR SET

▶ENGINE - INDUSTRIAL

▶ENGINE - MACHINE

▶ENGINE - TRUCK

▶ENGINEER SUPPORT TRACTOR

▶EXCAVATOR

▶EXPANDED MINING PRODUCTS

▶FOREST PRODUCTS

▶GENERATOR

▶INTEGRATED TOOLCARRIER

▶LOAD, HAUL, DUMP

▶MARINE PRODUCTS

▶MATERIAL HANDLER

▶MINI HYDRAULIC EXCAVATOR

▶MOTOR GRADER

▶OEM SOLUTIONS

▶OFF-HIGHWAY TRUCK

▶ON HIGHWAY TRUCK

▶PAVING COMPACTOR

▶PETROLEUM PRODUCTS

▶PIPELAYER

▶POWER SYSTEMS

▶RENEWABLE ENERGY

▶RETROFIT AFTERTREATMENT

▶ROAD RECLAIMER

▶SKID STEER LOADER

▶TECHNOLOGY

▶TELEHANDLER

▶TILLAGE

▶TRACK-TYPE LOADER

▶TRACK-TYPE SKIDDER

▶TRACK-TYPE TRACTOR

▶UNDERGROUND ARTICULATED TRUCK

▶UTILITY VEHICLE

▶WHEEL DOZER

▶WHEEL TRACTOR-SCRAPER

▶WHEEL-TYPE LOADER

▶WHEEL-TYPE SKIDDER

▶WHEELED EXCAVATOR

▶WORK TOOL

▶VOLVO

▶KOMATSU

▶CUMMINS

4W3978

PUMP GP-GOV & FUEL INJ

R*4W3978 GOVERNOR & FUEL INJECTION PUMP GROUP
8N5636-PAGE 115, 4W3992-PAGE 123A, 9N683-PAGE 157

2Models

8Assemblies

30Co-occurring

▼Compatible Models (2)

▼Found in Assemblies (8)

Assembly	Ref#	Qty	Note
2W4955 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO. 5			Y
2W4956 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO. 5			Y
2W4957 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO. 5			Y
2W8177 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO. 5			Y
1W5159 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO 32			Y
1W7686 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO 32			Y
9N6689 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO. 3			Y
9N6690 ENGINE ARRANGEMENT-PART 2 OF 2 SERIAL NO. 3			Y

▼Parts in Same Assemblies (30)