Part number lookup

303.5D Replacement Parts

Cross-reference and compare 16 replacement listings for OEM / aftermarket part number 303.5D. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

16 Matching Products

2 pcs Track Valve Grease Fitting 232-7692 for Caterpillar CAT 301.5 301.6 301.8 302CR 303.5 304 305.5 305 306 306.5Mitsubishi2 pcs Track Valve Grease Fitting 232-7692 for Caterpillar CAT 301.5 301.6 301.8 302CR 303.5 304 305.5 305 306 306.5$69.812Pcs Bushing Bearing Sleeve 265-8720 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 304E 305.5D 305.5E 305E 45x55x45mmCaterpillar2Pcs Bushing Bearing Sleeve 265-8720 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 304E 305.5D 305.5E 305E 45x55x45mm$67.00Bearing 150-0909 for Caterpillar CAT 303 303.5C 303.5D 303.5E 303E 304D 304ECaterpillarBearing 150-0909 for Caterpillar CAT 303 303.5C 303.5D 303.5E 303E 304D 304E$169.00Bearing 150-0909 for Caterpillar CAT 303 303.5C 303.5D 303.5E 303E 304D 304ECaterpillarBearing 150-0909 for Caterpillar CAT 303 303.5C 303.5D 303.5E 303E 304D 304E$148.00Bucket Pin Bushing Bearing 140-5168 265-8715 for Caterpillar CAT 304 304CR 305CR 303.5C ExcavatorCaterpillarBucket Pin Bushing Bearing 140-5168 265-8715 for Caterpillar CAT 304 304CR 305CR 303.5C Excavator$70.82Carrier Roller 266-8794 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 303E 304D CR 304EKubotaCarrier Roller 266-8794 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 303E 304D CR 304E$195.00Carrier Roller 266-8794 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 303E 304D CR 304ECaterpillarCarrier Roller 266-8794 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 303E 304D CR 304E$167.00Carrier Roller 266-8794 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 303E 304D CR 304ECaterpillarCarrier Roller 266-8794 for Caterpillar CAT Excavator 303.5C 303.5D 303.5E 303C 303E 304D CR 304E$167.00Coupling Pump Assy 267-1082 for Caterpillar CAT 303.5C 303C 304D 305.5D 305E ExcavatorCaterpillarCoupling Pump Assy 267-1082 for Caterpillar CAT 303.5C 303C 304D 305.5D 305E Excavator$152.99Cylinder Bushing 140-5169 for Caterpillar CAT Excavator 302.5 303 303.5E 304 304E 305 305E 306 306ECaterpillarCylinder Bushing 140-5169 for Caterpillar CAT Excavator 302.5 303 303.5E 304 304E 305 305E 306 306E$37.00Female Hydraulic Flat Face Quick Coupler 153-2994 for Caterpillar CAT 302.2D 302.4D 302.5 302.7D 303 303.5 304 304.5 305 305.5 306 306.5 307E2 308 309 307.5 308.5 310 307DCaterpillarFemale Hydraulic Flat Face Quick Coupler 153-2994 for Caterpillar CAT 302.2D 302.4D 302.5 302.7D 303 303.5 304 304.5 305 305.5 306 306.5 307E2 308 309 307.5 308.5 310 307D$36.00Overhaul Rebuild Kit for Caterpillar 303.5D Excavator With S3Q2 EngineCaterpillarOverhaul Rebuild Kit for Caterpillar 303.5D Excavator With S3Q2 Engine$543.00Stop Electromagnet Stop Solenoid 439-7591 4397591 for Caterpillar CAT 303E CR 303ECRCaterpillarStop Electromagnet Stop Solenoid 439-7591 4397591 for Caterpillar CAT 303E CR 303ECR$115.12Turbocharger 6271-81-8200 49377-01710 for Komatsu Construction With Cummins B3.3T QSB3.3 EngineKomatsuTurbocharger 6271-81-8200 49377-01710 for Komatsu Construction With Cummins B3.3T QSB3.3 Engine$545.60Wheel Rim LVA13715 for Yanmar Engine 3TNV84T 3TNV88 John Deere Tractor 4310 4410 3025E 3032E 3035D 3036E 3038E 3046RYanmarWheel Rim LVA13715 for Yanmar Engine 3TNV84T 3TNV88 John Deere Tractor 4310 4410 3025E 3032E 3035D 3036E 3038E 3046R$230.00Rebuild Kit for Caterpillar 303.5D 303.5 D CR 303C CR MINI Excavator Mitsubishi S3Q2 EngineCaterpillarRebuild Kit for Caterpillar 303.5D 303.5 D CR 303C CR MINI Excavator Mitsubishi S3Q2 Engine$521.00

Part Numbers and Cross References

232-76922S5925301.6C301.7CR301.8C302CR303.5C303.5D303.5ECA2658720265-8720305.5D305.5ECA1500909150-0909BD130-1SAJY150-090914051682658715CA1405168CA2658715CA266-8794266-8794267-1082CA2671082CA140-5169140-5169302.7DCA1532994153-2994302.4D302.5C303.5E2CA4397591439-7591303ECR303.5ECR303.5E2CR304ECR304DCR6271-81-820049377-01710TD04LTD04L-10T-7.0TDO4LTDO4L-10T-7.0TD04L-10KYRC-5QSB3.33025D3025E3032E3033R3036E3038E3043D3046R

Applications and Fitment Summary

  • Part Number
  • Mitsubishi · Fit for Caterpillar CAT
  • Caterpillar · s: Fit For Caterpillar CAT Excavator:303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304C CR, 304D CR, 304E, 305.5D, 305.5E, 305C CR, 305D CR, 305E
  • Caterpillar · ： Fit for Caterpillar CAT Excavator: 303, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304D CR, 304E
  • Caterpillar CAT Excavator: 302.5, 303, 303.5, 304, 304.5, 305, 305.5, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304D CR, 304ECaterpillar CAT Engine: 3013, 3024, K4N, S3L2, S4L2, 4M40, C1.8, C1.7, C1.3, C2.4, S3Q2
  • Caterpillar · Caterpillar CAT Excavator: 302.5, 303, 303.5, 304, 304.5, 305, 305.5, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304D CR, 304E Caterpillar CAT Engine:3013, 3024, K4N, S3L2, S4L2, 4M40, C1.8, C1.7, C1.3, C2.4, S3Q2
  • Kubota · s: Fit for Caterpillar Excavator: 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304D CR, 304E See Details: 303.5E CR Mini Hydraulic Excavator JX200001-UP (MACHINE) POWERED BY C1.8 Engine 303.5E2CR Mini Hydraulic Excavator CR600001-UP (MACHINE) POWERED BY C1.7 Engine 303ECR Mini Hydraulic Excavator CK300001-UP (MACHINE) POWERED BY C1.3 Engine 304E2CR Mini Hydraulic Excavator FC200001-UP (MACHINE) POWERED BY C2.4 Engine 304D CR Mini Excavator TYK00001-UP (MACHINE) POWERED BY S3Q2 Engine 303.5C CR Mini Hydraulic Excavator DMY00001-UP (MACHINE) POWERED BY S3Q2 Engine 303C CR Mini Hydraulic Excavator BXT00001-UP (MACHINE) POWERED BY S3Q2 Engine 303.5 D Mini Excavator RHP00001-UP (MACHINE) POWERED BY S3Q2 Engine 303.5E Mini Hydraulic Excavator RKY00001-UP (MACHINE) POWERED BY C1.8 Engine 304E Mini Hydraulic Excavator TTN00001-UP (MACHINE) 303E CR Mini Hydraulic Excavator SMG00001-UP (MACHINE) POWERED BY C1.3 Engine 303.5E Mini Hydraulic Excavator SFH00001-UP (MACHINE) 303.5E Mini Hydraulic Excavator RSE00001-UP (MACHINE) 304E Mini Hydraulic Excavator SSC00001-UP (MACHINE) 304E Mini Hydraulic Excavator TSR00001-UP (MACHINE) 303E CR Mini Hydraulic Excavator CR700001-UP (MACHINE) POWERED BY C1.3 Engine 303E CR Mini Hydraulic Excavator HHM00001-UP (MACHINE) POWERED BY C1.3 Engine 304E2 CR Mini Hydraulic Excavator GC500001-UP (MACHINE) POWERED BY C2.4 Engine 303.5E2 CR Mini Hydraulic Excavator AC500001-UP (MACHINE) POWERED BY C1.7 Engine 303.5E2 CR Mini Hydraulic Excavator CR900001-UP (MACHINE) POWERED BY C1.7 Engine 304E2 CR Mini Hydraulic Excavator HC500001-UP (MACHINE) POWERED BY C2.4 Engine 303E CR Mini Hydraulic Excavator SGE00001-UP (MACHINE) POWERED BY C1.3 Engine
  • Caterpillar · s: Fit for Caterpillar Excavator: 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304D CR, 304E
  • 1.Compact Wheel Loader: 901C, 902C, 903C 2.Mini Hyd Excavator: 303.5C, 303.5D, 303.5E, 303C CR, 304C CR, 304D CR, 304E, 305.5D, 305.5E, 305C CR, 305D CR, 305E Details: 303.5 D Mini Excavator RHP00001-UP (MACHINE) POWERED BY S3Q2 Engine 303.5C CR Mini Hydraulic Excavator DMY00001-UP (MACHINE) POWERED BY S3Q2 Engine 303C CR Mini Hydraulic Excavator BXT00001-UP (MACHINE) POWERED BY S3Q2 Engine 304 C CR Mini Hydraulic Excavator FPK00001-UP (MACHINE) POWERED BY S4Q2T Engine 304D CR Mini Excavator TYK00001-UP (MACHINE) POWERED BY S3Q2 Engine 304E Mini Hydraulic Excavator SSC00001-UP (MACHINE) 304E Mini Hydraulic Excavator TSR00001-UP (MACHINE) 304E Mini Hydraulic Excavator TTN00001-UP (MACHINE) 305 C CR Mini Hydraulic Excavator HWJ00001-UP (MACHINE) POWERED BY S4Q2T Engine 305.5D Mini Excavator FLZ00001-UP (MACHINE) POWERED BY S4Q2T Engine 305.5E Mini Hydraulic Excavator FKY00001-UP (MACHINE) 305.5E Mini Hydraulic Excavator FSC00001-UP (MACHINE) 305.5E Mini Hydraulic Excavator YGB00001-UP (MACHINE) 305D Mini Hydraulic Excavator XER00001-UP (MACHINE) POWERED BY S4Q2T Engine 305E Mini Hydraulic Excavator XFA00001-UP (MACHINE) POWERED BY C2.4 Engine 901C Compact Wheel Loader W4T00001-UP (MACHINE) POWERED BY C1.8 Engine 901C2 Compact Wheel Loader YKY00001-UP (MACHINE) POWERED BY C1.7 Engine 902C Compact Wheel Loader W5T00001-UP (MACHINE) POWERED BY C2.4 Engine 902C2 Compact Wheel Loader YKT00001-UP (MACHINE) POWERED BY C2.4 Engine 903C Compact Wheel Loader MW400001-UP (MACHINE) POWERED BY C2.4 Engine 903C Compact Wheel Loader W6T00001-UP (MACHINE) POWERED BY C2.4 Engine 903C2 Compact Wheel Loader MW800001-UP (MACHINE) POWERED BY C2.4 Engine 903D Compact Wheel Loader MZY00001-UP (MACHINE) POWERED BY C2.4 Engine
  • Caterpillar · s: Compact Wheel Loader: 901C, 902C, 903C Mini Hyd Excavator: 303.5C, 303.5D, 303.5E, 303C CR, 304C CR, 304D CR, 304E, 305.5D, 305.5E, 305C CR, 305D CR, 305E See Details: 303.5 D Mini Excavator RHP00001-UP (MACHINE) POWERED BY S3Q2 Engine 303.5C CR Mini Hydraulic Excavator DMY00001-UP (MACHINE) POWERED BY S3Q2 Engine 303C CR Mini Hydraulic Excavator BXT00001-UP (MACHINE) POWERED BY S3Q2 Engine 304 C CR Mini Hydraulic Excavator FPK00001-UP (MACHINE) POWERED BY S4Q2T Engine 304D CR Mini Excavator TYK00001-UP (MACHINE) POWERED BY S3Q2 Engine 304E Mini Hydraulic Excavator SSC00001-UP (MACHINE) 304E Mini Hydraulic Excavator TSR00001-UP (MACHINE) 304E Mini Hydraulic Excavator TTN00001-UP (MACHINE) 305 C CR Mini Hydraulic Excavator HWJ00001-UP (MACHINE) POWERED BY S4Q2T Engine 305.5D Mini Excavator FLZ00001-UP (MACHINE) POWERED BY S4Q2T Engine 305.5E Mini Hydraulic Excavator FKY00001-UP (MACHINE) 305.5E Mini Hydraulic Excavator FSC00001-UP (MACHINE) 305.5E Mini Hydraulic Excavator YGB00001-UP (MACHINE) 305D Mini Hydraulic Excavator XER00001-UP (MACHINE) POWERED BY S4Q2T Engine 305E Mini Hydraulic Excavator XFA00001-UP (MACHINE) POWERED BY C2.4 Engine 901C Compact Wheel Loader W4T00001-UP (MACHINE) POWERED BY C1.8 Engine 901C2 Compact Wheel Loader YKY00001-UP (MACHINE) POWERED BY C1.7 Engine 902C Compact Wheel Loader W5T00001-UP (MACHINE) POWERED BY C2.4 Engine 902C2 Compact Wheel Loader YKT00001-UP (MACHINE) POWERED BY C2.4 Engine 903C Compact Wheel Loader MW400001-UP (MACHINE) POWERED BY C2.4 Engine 903C Compact Wheel Loader W6T00001-UP (MACHINE) POWERED BY C2.4 Engine 903C2 Compact Wheel Loader MW800001-UP (MACHINE) POWERED BY C2.4 Engine 903D Compact Wheel Loader MZY00001-UP (MACHINE) POWERED BY C2.4 Engine
  • Caterpillar · s: Compact Wheel Loader: 901C, 902C, 903C Mini Hyd Excavator: 303.5C, 303.5D, 303.5E, 303C CR, 304C CR, 304D CR, 304E, 305.5D, 305.5E, 305C CR, 305D CR, 305E
  • Caterpillar · s: Fit for Caterpillar Excavator: 302.5, 302.7D, 303, 303.5C, 303.5D, 303.5E, 303C CR, 304, 304C CR, 304D CR, 304E, 305, 305.5, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 306, 306E
  • Caterpillar · s: Fit For Caterpillar CAT Excavator: 302.2D, 302.4D, 302.5, 302.5C, 302.7D, 303, 303.5, 303.5C, 303.5D, 303.5E, 303.5E2, 303.5E2 CR, 303C CR, 303E CR, 304, 304.5, 304.5E2, 304C CR, 304D CR, 304E, 304E2, 304E2 CR, 305, 305.5, 305.5D, 305.5E, 305.5E2, 305.5E2 CR, 305C CR, 305D CR, 305E, 305E2, 305E2 CR, 306, 306.5, 306E, 307E2, 308, 308D, 308E, 308E2 CR, 309, 307.5, 308 CR, 308.5, 309 CR, 310, 307D Fit For Caterpillar CAT Hydraulic Hammer:B4, B4 s Fit For Caterpillar CAT Side Discharge Bucket:BD118, BD121 Fit For Caterpillar CAT Cold Planer:PM310, PM312, PM313 Fit For Caterpillar CAT Telehandler: TH103, TH210, TH215, TH220B, TH255C, TH306D, TH314D, TH330B, TH336C, TH337C, TH340B, TH350B, TH3510D, TH355B, TH357D, TH360B, TH406C, TH407C, TH408D, TH414C, TH417C, TH417D, TH460B, TH514C, TH514D, TH560B, TH580B, TH62, TH63, TH82, TH83, THP24S II, TL1055D, TL1255D, TL642D, TL943C, TL943D C4.4, TL642, TL943, TL1055, TL1255 C3.6, TH3510, TH408, TH357 Fit For Caterpillar CAT Work Tool: HM210, HM215C, HM312, HM315, HM315B, HM315C, HMF110, HMF210, LR15, LR15B, LR18, LR18B, LT13, LT13B, LT18, LT18B, MB200, MB250, PC104B, PC203, PC204, PC205, PC205B, PC206, PC210, PC3, PC305B, PC306B, PC310B, PC4, PC6, PC9, PR172, PR184, PR190, S3, S305, SG16, SG16B, SG18, SG18B, SR115, SR117, SR118, SR121, SR318, SR321, SW345B, SW360B, SW45, SW60, T15, T15B, T6B, T9, T9B, TRS6, TRS8, VHS-10, 63, A13, A14B, A19, A19B, A26B, A7, A7B, B4, B6, B8, B9, BA118C, BA18, BB121, BB124, BD118, BD121, BH130, BH150, BH160, BH27, BH30, BH30W, BLADE, BP115C, BP118C, BP15, BP15B, BP18, BP18B, BP24, BR160, BR166, BR172, BR272, BR378, BRX118, BRX318, BU115, BU118, CR3, CV16, CV16B, CV18, CV18B, CVP16, CVP40, GB120, GB124, H35DS, H45, H45DS, H45S, H50, H50S, H55DS, H55E, S, H63, H63S, H65DS, H65E, S, H75E, S, H80E, H95E, S, HM112C, HM115C, HM208, S308, PC105, PC104, BR115, BR117, BR120, BR318, BR320, BR118, PC35, PC45, BA121, BA118, HM115, HM215, HM316, HM112, CV117, CV119, A23, A11, A41, A68, LR116, LR119 Fit For Caterpillar CAT Renewable Energy:MEC500 Fit For Caterpillar CAT Forest Product:2470C, 2570C, 2670C, 553C, 563C, 573C
  • Caterpillar · s: for Caterpillar 303.5D Excavator With S3Q2 Engine Item Included: - 1set Full gasekt kit - 3pcs Liner Cylinder/Sleeve - 3pcs Piston,STD size - 3pcs Piston Pin - 3set Ring set for 3pistons.STD size - 6pcs Pin Clips - 6pcs Valves 3pcs Intake Valves + 3pcs Exhaust Valves - 6pcs Valve Guides - 6pcs Valves Seats ( 3pcs Intake Valves Seats+ 3pcs Exhaust Valves Seats) - 1set Crankshaft bearing STD size - 1set Connect Rod Bearing STD size - 1Set Crankshaft Thrust washer
  • Caterpillar CAT Excavator: 303E CR, 303ECR NOTE: Default voltage 12v, if you need 24v, please send to [email protected]
  • Caterpillar · s: Excavator:Caterpillar CAT 303CR, 303 CCR, 303ECR, 303.5C , 303.5 CCR, 303.5D, 303.5E, 303.5ECR, 303.5E2CR, 304E, 304ECR, 304DCR, 303.5CCR, 303.5DCR, 304E2CR, 303CCR
  • Caterpillar · s:For Caterpillar CAT Excavator:303ECR, 303E CR
  • Komatsu Construction With Cummins B3.3T QSB3.3 Engine
  • Cummins · for: Cummins B3.3T Engine Parts Details: 1.Full Overhaul Gasket Kit:1 Set 2.Piston:1 Set 3.Piston Ring:1 Set 4.Piston Pin:1 Set 5.Cylinder Liner:1 Set 6.Piston Snap:1 Set 7.Piston Pin Bush:1 Set 8.Thrust Washer:1 Set 9.Main Bearing:1 Set 10.Con Rod Bearing :1 Set 11.Valve Guide:1 Set 12.Intake&Exhaust Valve:1 Set 13.Intake&Exhaust Valve Seat:1 Set
  • Yanmar · s: Fit for John Deere Tractor 4310, 4410, 3025D, 3025E, 3032E, 3033R, 3035D, 3036E, 3038E, 3043D, 3046R
  • Caterpillar · s For: Caterpillar 303.5D 303.5 D CR 303C CR MINI Excavator

Frequently Asked Questions

What parts replace OEM number 303.5D?

This page lists 16 replacement listings indexed under 303.5D. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 303.5D?

Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.

Can I request a quote if 303.5D is not an exact match?

Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.