Families
▶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
Home/Part 8U4121

8U4121

GEAR-SUN

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5Models
19Assemblies
30Co-occurring
Part Information ▼
BrandCaterpillarWeight2.67 lb (1.21 kg)
▼Compatible Models (5)
M318M318CM318C MHM320M322C
▼Found in Assemblies (19)
AssemblyModelRef#QtyNote
128-4297 AXLE AR-REARS/N 6WL1-124 · PART OF 131-2906 AXLE & TRANSMISSION ARM32021×2
128-4297 AXLE AR-REARS/N 6WL125-UP · PART OF 131-2906, 175-6563 AXLE & TRANSMISSION ARM32032×2
128-4297 AXLE AR-REARS/N 6ES1-231 · PART OF 131-2906 AXLE & TRANSMISSION ARM31821×2
128-4297 AXLE AR-REARS/N 6ES232-241; 6ES244-UP · PART OF 131-2906, 175-6563 AXLE & TRANSMISSION ARM31832×2
128-4297 AXLE AR-REARS/N 9PS1-236 · PART OF 131-2906 AXLE & TRANSMISSION ARM32021×2
128-4297 AXLE AR-REARS/N 9PS237-UP · PART OF 131-2906, 175-6563 AXLE & TRANSMISSION ARM32032×2
128-4297 AXLE AR-REARS/N 8SS1-UP · PART OF 131-2906, 175-6563 AXLE & TRANSMISSION ARM31832×2
187-7218 AXLE AR-REARS/N BCZ1-2000 · PART OF 187-7217 AXLE & TRANSMISSION ARM318C31×2
187-7215 AXLE GP-REARS/N BCZ1-2000 · PART OF 187-7214 AXLE & TRANSMISSION ARM318C75×2
204-7743 AXLE GP-REARS/N BCZ1-2000 · PART OF 204-7742 AXLE & TRANSMISSION ARM318C31×2
213-6139 AXLE GP-REARS/N BDK1-2000 · PART OF 204-2086 AXLE & TRANSMISSION ARM322C33×2
213-6139 AXLE GP-REARS/N BDY1-2000 · PART OF 204-2086 AXLE & TRANSMISSION ARM322C33×2
213-6139 AXLE GP-REARS/N BEB1-2000 · PART OF 204-2086 AXLE & TRANSMISSION ARM318C MH33×2
187-7215 AXLE GP-REARS/N BCZ2001-99999 · PART OF 187-7214 AXLE & TRANSMISSION ARM318C75×2
204-7743 AXLE GP-REARS/N BCZ2001-99999 · PART OF 204-7742 AXLE & TRANSMISSION ARM318C31×2
213-6139 AXLE GP-REARS/N BDK2001-99999 · PART OF 204-2086 AXLE & TRANSMISSION ARM322C33×2
213-6139 AXLE GP-REARS/N BDY2001-UP · PART OF 204-2086 AXLE & TRANSMISSION ARM322C33×2
213-6139 AXLE GP-REARS/N BEB2001-99999 · PART OF 204-2086 AXLE & TRANSMISSION ARM318C MH33×2
c91236926× 2
▼Parts in Same Assemblies (30)
1094440 1100159 1100160 1100161 1100162 1100163 1100164 1100165 1100847 1100849 1100861 1100862 1100881 1102465 1104739 1104751 1104821 1292720 1292721 1351594 1351595 1351596 1351597 1351598 1353404 1353405 1353406 1353407 1353408 1353409