Part number lookup

4D88E-5X-AB Replacement Parts

Cross-reference and compare 20 replacement listings for OEM / aftermarket part number 4D88E-5X-AB. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.

20 Matching Products

Oil Pipe YM129601-59810 for Komatsu Engine 4D88-6 4D88E-6 Excavator PC45MR-3 PC50MR-2 PC55MR-3KomatsuOil Pipe YM129601-59810 for Komatsu Engine 4D88-6 4D88E-6 Excavator PC45MR-3 PC50MR-2 PC55MR-3$156.47Oil Pipe YM129601-59820 for Komatsu Engine 4D88-6 4D88E-6 Excavator PC45MR-3 PC50MR-2 PC55MR-3KomatsuOil Pipe YM129601-59820 for Komatsu Engine 4D88-6 4D88E-6 Excavator PC45MR-3 PC50MR-2 PC55MR-3$156.47Oil Pipe YM129601-59830 for Komatsu Engine 4D88-6 4D88E-6 Excavator PC45MR-3 PC50MR-2 PC55MR-3KomatsuOil Pipe YM129601-59830 for Komatsu Engine 4D88-6 4D88E-6 Excavator PC45MR-3 PC50MR-2 PC55MR-3$156.47Air Filter Assembly YM129642-12500 YM119910-12510 for Komatsu 3D82AE-3 4D84E-3 4D88E-3 Engine PC20R-8 PC27R-8 PC45R-8KomatsuAir Filter Assembly YM129642-12500 YM119910-12510 for Komatsu 3D82AE-3 4D84E-3 4D88E-3 Engine PC20R-8 PC27R-8 PC45R-8$119.00Air Filter Assembly YM129642-12500 YM119910-12510 for Komatsu 3D82AE-3 4D84E-3 4D88E-3 Engine PC20R-8 PC27R-8 PC45R-8KomatsuAir Filter Assembly YM129642-12500 YM119910-12510 for Komatsu 3D82AE-3 4D84E-3 4D88E-3 Engine PC20R-8 PC27R-8 PC45R-8$98.00Con Rod Bearing 4 Pairs 1 Set YM129150-23601 YM129150-23611 For Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6YanmarCon Rod Bearing 4 Pairs 1 Set YM129150-23601 YM129150-23611 For Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6$106.61Con Rod Bearing YM129150-23601 YM129150-23611 For Komatsu PC45MR-3 PC55MR-3 PC58UU-3 Engine 4TNV88 4D88KomatsuCon Rod Bearing YM129150-23601 YM129150-23611 For Komatsu PC45MR-3 PC55MR-3 PC58UU-3 Engine 4TNV88 4D88$106.61Con Rod Bearing YM129150-23601 YM129150-23611 For Komatsu Skid Steer SK714-5 SK815-5 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6KomatsuCon Rod Bearing YM129150-23601 YM129150-23611 For Komatsu Skid Steer SK714-5 SK815-5 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6$106.61Cylinder Head Gasket YM129407-01340 for Komatsu Engine 4D88-6 4D88E-3 4D88E-5 Excavator PC45MR-3 PC45R-8 PC50MR-2 PC55MR-3KomatsuCylinder Head Gasket YM129407-01340 for Komatsu Engine 4D88-6 4D88E-3 4D88E-5 Excavator PC45MR-3 PC45R-8 PC50MR-2 PC55MR-3$33.00Engine Fan Blade YM129436-44742 for Komatsu PC55MR-3 PC45MR-3 PC40-7 PC35R-8 4D88E 4D84KomatsuEngine Fan Blade YM129436-44742 for Komatsu PC55MR-3 PC45MR-3 PC40-7 PC35R-8 4D88E 4D84$123.31Engine Fan YM129436-44740 for Komatsu Engine 3D84E-3F 4D88E-3D Excavator PC35R-8 PC45MR-3 PC50MR-2 PC55MR-3KomatsuEngine Fan YM129436-44740 for Komatsu Engine 3D84E-3F 4D88E-3D Excavator PC35R-8 PC45MR-3 PC50MR-2 PC55MR-3$160.21Engine Fan YM129436-44741 for Komatsu Engine 3D84E-3F 4D88E-3D Excavator PC35R-8 PC45MR-3 PC50MR-2 PC55MR-3KomatsuEngine Fan YM129436-44741 for Komatsu Engine 3D84E-3F 4D88E-3D Excavator PC35R-8 PC45MR-3 PC50MR-2 PC55MR-3$165.69Fuel Injection Pump 729642-51330 for Komatsu Engine 4D88 4D88E 4D88-5 Excavator PC50MR-2 PC40MR2KomatsuFuel Injection Pump 729642-51330 for Komatsu Engine 4D88 4D88E 4D88-5 Excavator PC50MR-2 PC40MR2$1,751.35Main Bearing 5 Pairs 1 Set YM129001-02931 YM129150-02871 For Komatsu Wheel Loader WA50-6 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6KomatsuMain Bearing 5 Pairs 1 Set YM129001-02931 YM129150-02871 For Komatsu Wheel Loader WA50-6 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6$115.57Main Bearing 5 Pairs 1 Set YM129001-02931 YM129150-02871 For Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6YanmarMain Bearing 5 Pairs 1 Set YM129001-02931 YM129150-02871 For Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6$115.57Main Bearing YM129001-02931 YM129150-02871 For Komatsu Excavator PC40MR-2 PC50MR-2 PC45R-8 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6KomatsuMain Bearing YM129001-02931 YM129150-02871 For Komatsu Excavator PC40MR-2 PC50MR-2 PC45R-8 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6$115.57Main Bearing YM129001-02931 YM129150-02871 For Komatsu Excavator PC45MR-3 PC55MR-3 PC58UU-3 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6KomatsuMain Bearing YM129001-02931 YM129150-02871 For Komatsu Excavator PC45MR-3 PC55MR-3 PC58UU-3 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6$115.57Main Bearing YM129001-02931 YM129150-02871 For Komatsu Skid Steer SK714-5 SK815-5 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6KomatsuMain Bearing YM129001-02931 YM129150-02871 For Komatsu Skid Steer SK714-5 SK815-5 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6$115.57Muffler Silencer YM129642-13510 For Komatsu Excavator PC40MR-2 PC50MR-2 PC45MR-3 PC55MR-3 Engine 4D88EKomatsuMuffler Silencer YM129642-13510 For Komatsu Excavator PC40MR-2 PC50MR-2 PC45MR-3 PC55MR-3 Engine 4D88E$408.75Oil Cooler Assembly YM129508-33010 for Komatsu Engine 4D88E-5 4D88E-6 Excavator PC27R-8 PC45MR-3 PC50MR-2 Loader SK714-5 SK815-5 SK818-5KomatsuOil Cooler Assembly YM129508-33010 for Komatsu Engine 4D88E-5 4D88E-6 Excavator PC27R-8 PC45MR-3 PC50MR-2 Loader SK714-5 SK815-5 SK818-5$189.00

Part Numbers and Cross References

YM129601-598104D88-64D88E-5X-AB4D88E-5X-AC4D88E-5X-BB4D88E-5X-BC4D88E-6PC45MR-3PC45MR-5M0PC45R-8PC50MR-2PC55MR-3YM129601-59820YM129601-59830YM129642-12500YM119910-12510129642-12500119910-125103D82AE-3F3D84E-3F4D84E-3D4D84E-3E4D88E-3D4D88E-3GB4D88E-3H129150-23601129150-236114TNV884D88E4TNV88-XWL4TNV88-DSAPC40MR-2PC40MR-2-ACPC50MR-2-ACSK714-5SK815-5YM129407-013404D88E-3A4D88E-3B4D88E-3C4D88E-3C-044D88E-3FYM129436-44742129436-4474205993-UPPC30R-810001-UPPC35R-835001-UP00101-UP8001-UPYM129436-44740129436-447404D84-2A4D84-2B4D84-2GA4D84E-3B4D84E-3CYM129436-44741129436-44741729642-51330YM729642-513304D88-534D88E-5X-ACYM12900102931YM129150028714TNV88-GGEPPC58UU-3YM129642-13510129642-13510PC55MR-5M0WYYM129642-13510129508-33010YM129508-33010S3D84-5X-ABS3D84-5X-ACS3D84E-5P-BAS3D84E-5

Applications and Fitment Summary

  • Part Number
  • Komatsu · s: for Komatsu
  • Komatsu · s: Komatsu Excavcator
  • Komatsu · s: Fit for following models: Komatsu Excavator: PC20R-8, PC27R-8, PC35R-8, PC45R-8, PC50MR-2 Komatsu Skid Steer Loader: SK714-5, SK815-5, SK818-5
  • Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Con Rod Bearing 4 Pairs 1 Set YM129150-23601 YM129150-23611
  • Engine: Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Includes: Con Rod Bearing 4 Pairs 1 Set Details: KOMATSU Engine Models: 4D88-6 4D88E-5X-AB 4D88E-5X-BB 4D88E-5X-AB 4D88E 4D88E-5X-AB 4D88E-5X-BC 4D88E-5X-AC 4D88E-5X-AB 4D88E-5X-AC 4D88E-6 YANMAR Engine Models: 4TNV88-XWL 4TNV88-DSA 4TNV88-GGEP 4TNV88-GYM 4TNV88-NBK 4TNV88-DSAP 4TNV88-GKM 4TNV88-LU2 4TNV88-XMS
  • Komatsu PC45MR-3 PC55MR-3 PC58UU-3 Engine 4TNV88 4D88 Con Rod Bearing YM129150-23601 YM129150-23611
  • Model: Komatsu Excavator PC40MR-2 PC50MR-2 PC45R-8 PC40MR-2-AC PC50MR-2-AC Engine: Komatsu Excavator PC40MR-2 PC50MR-2 PC45R-8 Yanmar Engine 4TNV88 Includes: Con Rod Bearing 4 Pairs 1 Set Details: KOMATSU Engine Models: 4D88-6 4D88E-5X-AB 4D88E-5X-BB 4D88E-5X-AB 4D88E 4D88E-5X-AB 4D88E-5X-BC 4D88E-5X-AC 4D88E-5X-AB 4D88E-5X-AC 4D88E-6 YANMAR Engine Models: 4TNV88-DSA 4TNV88-GGEP 4TNV88-GYM 4TNV88-NBK 4TNV88-DSAP 4TNV88-GKM 4TNV88-LU2 4TNV88-XMS 4TNV88-XWL
  • Komatsu Skid Steer SK714-5 SK815-5 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Con Rod Bearing YM129150-23601 YM129150-23611
  • Model: Komatsu Skid Steer SK714-5 SK815-5 Engine: Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6Includes:Con Rod Bearing 4 Pairs 1 Set Details: KOMATSU Engine Models: 4D88-6 4D88E-5X-AB 4D88E-5X-BB 4D88E-5X-AB 4D88E 4D88E-5X-AB 4D88E-5X-BC 4D88E-5X-AC 4D88E-5X-AB 4D88E-5X-AC 4D88E-6 Engine Models: 4TNV88-DSA 4TNV88-GGEP 4TNV88-GYM 4TNV88-NBK 4TNV88-DSAP 4TNV88-GKM 4TNV88-LU2 4TNV88-XMS 4TNV88-XWL
  • Komatsu Wheel Loader WA50-6 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Main Bearing 5 Pairs 1 Set YM129001-02931 YM129150-02871
  • Model: Komatsu Skid Steer SK714-5 SK815-5 Engine: Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Including: Main Bearing Set 5 Pairs With Thrust Plate Details: KOMATSU Engine Models: 4D88-6 4D88E-5X-AB 4D88E-5X-BB 4D88E-5X-AB 4D88E 4D88E-5X-AB 4D88E-5X-BC 4D88E-5X-AC 4D88E-5X-AB 4D88E-5X-AC 4D88E-6 YANMAR Engine Models: 4TNV88-DSA 4TNV88-GGEP 4TNV88-GYM 4TNV88-NBK 4TNV88-DSAP 4TNV88-GKM 4TNV88-LU2 4TNV88-XMS 4TNV88-XWL
  • Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Main Bearing 5 Pairs 1 Set YM129001-02931 YM129150-02871
  • Engine: Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Including: Main Bearing Set 5 Pairs With Thrust Plate Details: KOMATSU Engine Models: 4D88-6 4D88E-5X-AB 4D88E-5X-BB 4D88E-5X-AB 4D88E 4D88E-5X-AB 4D88E-5X-BC 4D88E-5X-AC 4D88E-5X-AB 4D88E-5X-AC 4D88E-6 YANMAR Engine Models: 4TNV88-DSA 4TNV88-GGEP 4TNV88-GYM 4TNV88-NBK 4TNV88-DSAP 4TNV88-GKM 4TNV88-LU2 4TNV88-XMS 4TNV88-XWL
  • Komatsu Excavator PC40MR-2 PC50MR-2 PC45R-8 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Main Bearing YM129001-02931 YM129150-02871
  • Model: Komatsu Excavator PC40MR-2 PC50MR-2 PC45R-8 PC40MR-2-AC, PC50MR-2-AC Engine: Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Including: Main Bearing Set 5 Pairs With Thrust Plate Details: KOMATSU Engine Models: 4D88-6 4D88E-5X-AB 4D88E-5X-BB 4D88E-5X-AB 4D88E 4D88E-5X-AB 4D88E-5X-BC 4D88E-5X-AC 4D88E-5X-AB 4D88E-5X-AC 4D88E-6 YANMAR Engine Models: 4TNV88-DSA 4TNV88-GGEP 4TNV88-GYM 4TNV88-NBK 4TNV88-DSAP 4TNV88-GKM 4TNV88-LU2 4TNV88-XMS 4TNV88-XWL
  • Komatsu Excavator PC45MR-3 PC55MR-3 PC58UU-3 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Main Bearing YM129001-02931 YM129150-02871
  • Model: Komatsu Excavator PC45MR-3 PC55MR-3 PC58UU-3 Engine: Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Including: Main Bearing Set 5 Pairs With Thrust Plate Details: KOMATSU Engine Models: 4D88-6 4D88E-5X-AB 4D88E-5X-BB 4D88E-5X-AB 4D88E 4D88E-5X-AB 4D88E-5X-BC 4D88E-5X-AC 4D88E-5X-AB 4D88E-5X-AC 4D88E-6 YANMAR Engine Models: 4TNV88-DSA 4TNV88-GGEP 4TNV88-GYM 4TNV88-NBK 4TNV88-DSAP 4TNV88-GKM 4TNV88-LU2 4TNV88-XMS 4TNV88-XWL
  • Komatsu Skid Steer SK714-5 SK815-5 Yanmar Engine 4TNV88 Komatsu Engine 4D88-6 4D88E 4D88E-6 Main Bearing YM129001-02931 YM129150-02871

Frequently Asked Questions

What parts replace OEM number 4D88E-5X-AB?

This page lists 20 replacement listings indexed under 4D88E-5X-AB. Compare cross references, applications, and pricing before ordering.

How do I confirm fitment for 4D88E-5X-AB?

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 4D88E-5X-AB 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

Send machine details before ordering high-risk parts.