CAT 8S9004 For Sale

Browse our current listings for CAT 8S9004. Inventory may include new, used, rebuilt, aftermarket, and core heavy equipment parts. Create an account to view dealer information and contact them for price and other info.

Current Listings

Listing

1 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

114503

Listing

2 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

93144

Listing

3 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

621B

Stock Number

51439

Last Updated

9/14/2026

Description

PISTON

Listing

4 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Serial Number

6YF207

Last Updated

9/14/2026

Description

PISTON

Listing

5 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

0000726

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

H - H - ADDEDPARTS - BELLYPAN - BUCKETCYL - CAB - HOOD - LIFTJACK-L - LIFTJACK-R - STICK - STICKCYL - VALVEASS - R - R - H

Listing

6 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

RDR PARTS PACKAG

Stock Number

39046

Last Updated

9/14/2026

Description

PISTON

Listing

7 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

623E

Stock Number

59354

Last Updated

9/14/2026

Description

PISTON

Listing

8 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

627B

Stock Number

64193

Last Updated

9/14/2026

Description

PLATE

Listing

9 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

631D

Stock Number

61124

Last Updated

9/14/2026

Description

PISTON

Listing

10 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

627B

Stock Number

57467

Last Updated

9/14/2026

Description

PISTON

Listing

11 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

627E

Stock Number

33547

Last Updated

9/14/2026

Description

PISTON

Listing

12 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

621/621B/627B

Stock Number

47260

Last Updated

9/14/2026

Description

PISTON

Listing

13 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

621/621B/637B

Stock Number

681

Last Updated

9/14/2026

Description

PISTON

Listing

14 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

637D

Stock Number

59682

Last Updated

9/14/2026

Description

PISTON

Listing

15 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CATERPILLAR

Listing

16 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

PISTON

Listing

17 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Stock Number

8S9004

Dimensions

X X

Last Updated

9/14/2026

Description

USED PISTON 8S9004 621B 627B 631 631D 633D 637D

Listing

18 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 621B

Listing

19 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 631C

Listing

20 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 623E

Listing

21 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 621E

Listing

22 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 621F

Listing

23 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 621B

Listing

24 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 623B GUTO

Listing

25 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 623B GUTO

Listing

26 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 621F

Listing

27 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 621F

Listing

28 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

CLUTCH PISTON 621F

Listing

29 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

623E

Stock Number

22123

Last Updated

9/14/2026

Description

PITSON- CLUTCH 623E 22123

Listing

30 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

623E

Stock Number

22124

Last Updated

9/14/2026

Description

PISTON- CLUTCH 623E 22124

Listing

31 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

621

Stock Number

8817036-09

Last Updated

9/10/2026

Description

PISTON

Listing

32 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

637D

Stock Number

8815434-09

Last Updated

9/10/2026

Description

PISTON

Listing

33 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Stock Number

8766380

Last Updated

9/10/2026

Description

PISTON-CLUTCH

Listing

34 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

621F

Stock Number

8807541-09

Last Updated

9/10/2026

Description

PISTON

Listing

35 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

631C

Stock Number

8800840-09

Last Updated

9/10/2026

Description

PISTON

Listing

36 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

8/17/2026

Description

C2B AXIS

Listing

37 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Weight

Last Updated

7/2/2026

Description

GOOD USED GENUINE CAT PISTON FOR A 621 WHEEL TRACTOR

Listing

38 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

2/11/2026

Description

PISTON 3S0105 - LON 11A2 - U

Listing

39 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Last Updated

6/20/2024

Description

PISTON

Listing

40 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Last Updated

1/27/2020

Description

PISTON

Listing

41 of 41

Part Number

8S9004

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Last Updated

1/31/2002

Description

PISTON