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
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▶ENGINE - TRUCK
▶ENGINEER SUPPORT TRACTOR
▶EXCAVATOR
▶EXPANDED MINING PRODUCTS
▶FOREST PRODUCTS
▶GENERATOR
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▶MATERIAL HANDLER
▶MINI HYDRAULIC EXCAVATOR
▶MOTOR GRADER
▶OEM SOLUTIONS
▶OFF-HIGHWAY TRUCK
▶ON HIGHWAY TRUCK
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▶SKID STEER LOADER
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▶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 4478149

4478149

CATALYST AS-

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4Models
6Assemblies
20Co-occurring
Part Information ▼
BrandCaterpillarWeight116.62 lb (52.90 kg)
▼Compatible Models (4)
631K637K770G770G OEM
▼Found in Assemblies (6)
AssemblyModelRef#QtyNote
545-5438 MODULE AR-CLEAN EMISSIONSS/N KD21-UP · PART OF 559-4891, 559-4892 MODULE AR-ENGINE & CEM770G
545-5438 MODULE AR-CLEAN EMISSIONSS/N KDH1-UP · PART OF 375-3386, 375-3389, 559-4891, 559-4892 MODULE AR-ENGINE & CEM770G
545-5438 MODULE AR-CLEAN EMISSIONSS/N RMA1-UP · PART OF 375-3386, 375-3389, 559-4891, 559-4892 MODULE AR-ENGINE & CEM770G OEM
545-5438 MODULE AR-CLEAN EMISSIONSS/N WTR103-141 · PART OF 374-0232 TRACTOR AR631K
545-5438 MODULE AR-CLEAN EMISSIONSS/N WTS112-148 · PART OF 374-0238 GENERAL AR-TRACTOR637K
545-5438 MODULE AR-CLEAN EMISSIONSS/N WTT105-105 · PART OF 374-0241 TRACTOR AR637K
▼Parts in Same Assemblies (20)
3365043 3426381 3433850 3433868 3433875 3550804 3633266 3686895 3709172 3750985 3770180 3770640 3783206 3815706 3996078 4158022 4158032 4184027 4196183 5357827